#0A567B
Closest named color: Deep Sea Blue (#015482). oklch(43% 0.09 237.4), rgb(10, 86, 123).
Aa
White text reads best on this color (7.98:1).
About this color
#0A567B is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.090 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.015 away. White text reads best on it, at 7.98:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.63:1 |
| White text | 7.98:1 |
Values
| HEX | #0A567B |
| RGB | rgb(10, 86, 123) |
| HSL | hsl(200, 85%, 26%) |
| OKLCH | oklch(43% 0.09 237.4) |
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 #0A567B | 7.98:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #0A567B | 2.63:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #0A567B text on white | 7.98:1 | AAA | Lc 87.2 | Fine for body text |
| #0A567B text on black | 2.63:1 | Fails | Lc -14.9 | 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
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DDEA
oklch(88.6% 0.029 234.9)
-
Step 300
300
#A1C6DF
oklch(80.8% 0.053 237.9)
-
Step 400
400
#6CA9CF
oklch(70.8% 0.084 237)
-
Step 500
500
#3F92C3
oklch(63% 0.109 237.9)
-
Step 600
600
#127CAF
oklch(55.6% 0.117 237.3)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800 (this color)
#0A567B
oklch(43% 0.09 237.4)
-
Step 900
900
#144662
oklch(37.5% 0.071 237.8)
-
Step 950
950
#0E293A
oklch(26.9% 0.046 239.3)
#0A567B 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) | #44567D | 0.050 |
| Deuteranopia (no green cones) | #354C7A | 0.040 |
| Tritanopia (no blue cones) | #005F63 | 0.056 |
| Achromatopsia (no color) | #515151 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A567B
#0A567B
oklch(43% 0.09 237.4)
- #744115
#744115
oklch(42.9% 0.09 57)
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 #0A567B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.015
- Light Navy #155084 ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.036
- Dusk Blue #26538D ΔE 0.038
- Petrol #005F6A ΔE 0.046
- YInMn Blue #415A77 ΔE 0.049
- Deep Teal #00555A ΔE 0.057
- Denim Blue #3B5B92 ΔE 0.058
Use #0A567B 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.