#01669C
Closest named color: Peacock Blue (#016795). oklch(48.9% 0.116 242.3), rgb(1, 102, 156).
Aa
White text reads best on this color (6.20:1).
About this color
#01669C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.116 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.012 away. White text reads best on it, at 6.20:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.38:1 |
| White text | 6.20:1 |
Values
| HEX | #01669C |
| RGB | rgb(1, 102, 156) |
| HSL | hsl(201, 99%, 31%) |
| OKLCH | oklch(48.9% 0.116 242.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #01669C | 6.20:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #01669C | 3.38:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #01669C text on white | 6.20:1 | AA | Lc 80.4 | Fine for body text |
| #01669C text on black | 3.38:1 | AA large text | Lc -21.5 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C8DCED
oklch(88.5% 0.032 243.7)
-
Step 300
300
#A1C6E2
oklch(80.9% 0.056 241)
-
Step 400
400
#6CA8D4
oklch(70.8% 0.09 241.4)
-
Step 500
500
#4191C9
oklch(63.2% 0.115 242.3)
-
Step 600
600
#177AB6
oklch(55.6% 0.125 242.5)
-
Step 700
700 (this color)
#01669C
oklch(48.9% 0.116 242.3)
-
Step 800
800
#0C547F
oklch(42.8% 0.096 242.2)
-
Step 900
900
#154666
oklch(37.8% 0.075 241.7)
-
Step 950
950
#0E293C
oklch(27% 0.048 242.2)
#01669C with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4C689E | 0.054 |
| Deuteranopia (no green cones) | #375B9B | 0.040 |
| Tritanopia (no blue cones) | #007379 | 0.078 |
| Achromatopsia (no color) | #616161 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01669C
#01669C
oklch(48.9% 0.116 242.3)
- #8C4F00
#8C4F00
oklch(48.9% 0.112 62.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #01669C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.012
- Ocean Blue #03719C ΔE 0.033
- Denim #3B638C ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.042
- Mid Blue #276AB3 ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.044
- Sea Blue #047495 ΔE 0.047
- Dusky Blue #475F94 ΔE 0.048
Use #01669C in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.