#0B293B
Closest named color: Oxford Blue (#1B263B). oklch(26.8% 0.049 238.8), rgb(11, 41, 59).
Aa
White text reads best on this color (15.05:1).
About this color
#0B293B is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.049 and its hue 239°. 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 (0.049) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.39:1 |
| White text | 15.05:1 |
Values
| HEX | #0B293B |
| RGB | rgb(11, 41, 59) |
| HSL | hsl(203, 69%, 14%) |
| OKLCH | oklch(26.8% 0.049 238.8) |
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 #0B293B | 15.05:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #0B293B | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #0B293B text on white | 15.05:1 | AAA | Lc 101.8 | Preferred for body text |
| #0B293B 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
#C7DDEC
oklch(88.6% 0.031 237.6)
-
Step 300
300
#9FC7E2
oklch(81% 0.057 237.9)
-
Step 400
400
#67A9D4
oklch(70.7% 0.092 238.5)
-
Step 500
500
#3792C8
oklch(63% 0.117 238.9)
-
Step 600
600
#007CB4
oklch(55.7% 0.125 238.6)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#0E4666
oklch(37.6% 0.078 239.7)
-
Step 950
950 (this color)
#0B293B
oklch(26.8% 0.049 238.8)
#0B293B 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) | #21293C | 0.027 |
| Deuteranopia (no green cones) | #1A243B | 0.023 |
| Tritanopia (no blue cones) | #002E2F | 0.034 |
| Achromatopsia (no color) | #262626 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B293B
#0B293B
oklch(26.8% 0.049 238.8)
- #37200B
#37200B
oklch(26.9% 0.048 60.6)
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 #0B293B, 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 0.026
- Jet #212529 ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.048
- Gunmetal #293241 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.053
- Midnight Green #073B4C ΔE 0.063
- Prussian Blue #1D3557 ΔE 0.065
Use #0B293B 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.