#10293A
Closest named color: Oxford Blue (#1B263B). oklch(27% 0.044 240.8), rgb(16, 41, 58).
Aa
White text reads best on this color (14.99:1).
About this color
#10293A is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.044 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.017 away. White text reads best on it, at 14.99:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.40:1 |
| White text | 14.99:1 |
Values
| HEX | #10293A |
| RGB | rgb(16, 41, 58) |
| HSL | hsl(204, 57%, 15%) |
| OKLCH | oklch(27% 0.044 240.8) |
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 #10293A | 14.99:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #10293A | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #10293A text on white | 14.99:1 | AAA | Lc 101.8 | Preferred for body text |
| #10293A text on black | 1.40:1 | 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
#E1EBF3
oklch(93.5% 0.015 241.8)
-
Step 200
200
#C9DCEB
oklch(88.5% 0.029 241.6)
-
Step 300
300
#A3C6E0
oklch(81% 0.053 240.5)
-
Step 400
400
#6FA8D0
oklch(70.8% 0.084 240.1)
-
Step 500
500
#4591C4
oklch(63% 0.108 240.8)
-
Step 600
600
#207BB1
oklch(55.7% 0.117 240.6)
-
Step 700
700
#106798
oklch(49.1% 0.109 240.9)
-
Step 800
800
#13547B
oklch(42.7% 0.09 240.9)
-
Step 900
900
#194663
oklch(37.8% 0.07 240.6)
-
Step 950
950 (this color)
#10293A
oklch(27% 0.044 240.8)
#10293A 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) | #21293B | 0.023 |
| Deuteranopia (no green cones) | #1C253A | 0.019 |
| Tritanopia (no blue cones) | #002D2F | 0.032 |
| Achromatopsia (no color) | #272727 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10293A
#10293A
oklch(27% 0.044 240.8)
- #36210E
#36210E
oklch(27% 0.044 61.2)
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 #10293A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.017
- Dark #1B2431 ΔE 0.023
- Jet #212529 ΔE 0.036
- Space Cadet #2B2D42 ΔE 0.045
- Gunmetal #293241 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.054
- Midnight Green #073B4C ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.064
Use #10293A 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.