GOV.UK
Reference value (#1D70B8), not official GOV.UK brand guidelines. Confirm against their materials before shipping in their identity.
The widely cited anchor color for GOV.UK is #1D70B8 — a mid-tone blue tone in the Healthcare & public sector. It passes AA body text on white at 5.17:1; on dark grounds it works for large text on black at 4.06:1.
Use it as a seed, not a rule: open it in the generator to derive scales, accessible text steps, and themes in the same family, and confirm the current value against GOV.UK's own materials before shipping anything in their identity. Sector neighbors like NHS, Bupa make useful comparisons when positioning against competitors.
Sector: Healthcare & public
Values in every format
- HEX
- #1d70b8
- RGB
- rgb(29, 112, 184)
- HSL
- hsl(208, 73%, 42%)
- OKLCH
- oklch(0.535 0.136 249.9)
- CMYK
- cmyk(84.2%, 39.1%, 0%, 27.8%)
Scale derived from the anchor
- 50#f2f8ff
- 100#e0efff
- 200#c7e2ff
- 300#a5d1ff
- 400#71b8ff
- 500#509eea
- 600#3285d2
- 700 ★#1d70b8
- 800#005493
- 900#004072
- 950#002749
Measured contrast
on white5.17:1 · AA normal ✓
on black4.06:1 · AA large only