#0A4E76
Closest named color: Deep Sea Blue (#015482). oklch(40.6% 0.091 241.9), rgb(10, 78, 118).
Aa
White text reads best on this color (8.88:1).
About this color
#0A4E76 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.091 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.024 away. White text reads best on it, at 8.88:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.36:1 |
| White text | 8.88:1 |
Values
| HEX | #0A4E76 |
| RGB | rgb(10, 78, 118) |
| HSL | hsl(202, 84%, 25%) |
| OKLCH | oklch(40.6% 0.091 241.9) |
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 #0A4E76 | 8.88:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #0A4E76 | 2.36:1 | Fails | Lc 14.1 | Not readable |
| #0A4E76 text on white | 8.88:1 | AAA | Lc 89.9 | Fine for body text |
| #0A4E76 text on black | 2.36:1 | Fails | Lc -12.4 | Not readable |
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 800.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF3
oklch(93.5% 0.015 241.8)
-
Step 200
200
#C9DCEB
oklch(88.5% 0.029 241.6)
-
Step 300
300
#A3C6E1
oklch(81% 0.054 241.5)
-
Step 400
400
#6FA7D1
oklch(70.6% 0.085 241.9)
-
Step 500
500
#4691C6
oklch(63.2% 0.109 242.1)
-
Step 600
600
#217AB2
oklch(55.6% 0.118 242)
-
Step 700
700
#116799
oklch(49.2% 0.109 241.6)
-
Step 800
800 (this color)
#0A4E76
oklch(40.6% 0.091 241.9)
-
Step 900
900
#194664
oklch(37.8% 0.071 241.5)
-
Step 950
950
#10293A
oklch(27% 0.044 240.8)
#0A4E76 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) | #3B4F78 | 0.043 |
| Deuteranopia (no green cones) | #2C4675 | 0.032 |
| Tritanopia (no blue cones) | #00585C | 0.062 |
| Achromatopsia (no color) | #4A4A4A | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A4E76
#0A4E76
oklch(40.6% 0.091 241.9)
- #6C3C04
#6C3C04
oklch(40.7% 0.092 61.6)
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 #0A4E76, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.024
- Light Navy #155084 ΔE 0.025
- Twilight Blue #0A437A ΔE 0.036
- Dusk Blue #26538D ΔE 0.046
- Dark Grey Blue #29465B ΔE 0.048
- Cobalt #1E488F ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.054
- Deep Teal #00555A ΔE 0.059
Use #0A4E76 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.