#0A293C
Closest named color: Oxford Blue (#1B263B). oklch(26.9% 0.05 239.7), rgb(10, 41, 60).
Aa
White text reads best on this color (15.05:1).
About this color
#0A293C is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.050 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.020 away. White text reads best on it, at 15.05:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.39:1 |
| White text | 15.05:1 |
Values
| HEX | #0A293C |
| RGB | rgb(10, 41, 60) |
| HSL | hsl(203, 71%, 14%) |
| OKLCH | oklch(26.9% 0.05 239.7) |
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 #0A293C | 15.05:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #0A293C | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #0A293C text on white | 15.05:1 | AAA | Lc 101.8 | Preferred for body text |
| #0A293C text on black | 1.39:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDED
oklch(88.5% 0.033 238.2)
-
Step 300
300
#9EC7E4
oklch(81% 0.06 239.3)
-
Step 400
400
#66A9D6
oklch(70.8% 0.095 239.4)
-
Step 500
500
#3392CB
oklch(63.1% 0.122 239.6)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#0B4667
oklch(37.6% 0.08 239.8)
-
Step 950
950 (this color)
#0A293C
oklch(26.9% 0.05 239.7)
#0A293C 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) | #20293D | 0.026 |
| Deuteranopia (no green cones) | #19243C | 0.022 |
| Tritanopia (no blue cones) | #002E30 | 0.034 |
| Achromatopsia (no color) | #262626 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A293C
#0A293C
oklch(26.9% 0.05 239.7)
- #381F0A
#381F0A
oklch(26.8% 0.051 58)
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 #0A293C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.020
- Dark #1B2431 ΔE 0.028
- Jet #212529 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.049
- Gunmetal #293241 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.054
- Midnight Green #073B4C ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.064
Use #0A293C 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.