#0B2A3C
Closest named color: Oxford Blue (#1B263B). oklch(27.2% 0.049 238.1), rgb(11, 42, 60).
Aa
White text reads best on this color (14.88:1).
About this color
#0B2A3C is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.049 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.021 away. White text reads best on it, at 14.88:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.41:1 |
| White text | 14.88:1 |
Values
| HEX | #0B2A3C |
| RGB | rgb(11, 42, 60) |
| HSL | hsl(202, 69%, 14%) |
| OKLCH | oklch(27.2% 0.049 238.1) |
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 #0B2A3C | 14.88:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #0B2A3C | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #0B2A3C text on white | 14.88:1 | AAA | Lc 101.6 | Preferred for body text |
| #0B2A3C text on black | 1.41:1 | 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
#C6DDEC
oklch(88.5% 0.032 236.4)
-
Step 300
300
#9EC7E2
oklch(80.9% 0.058 237.3)
-
Step 400
400
#66A9D4
oklch(70.7% 0.093 238.2)
-
Step 500
500
#3493C9
oklch(63.2% 0.119 238.1)
-
Step 600
600
#007CB2
oklch(55.6% 0.123 237.7)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900
#0B4766
oklch(37.8% 0.078 237.8)
-
Step 950
950 (this color)
#0B2A3C
oklch(27.2% 0.049 238.1)
#0B2A3C 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) | #222A3D | 0.028 |
| Deuteranopia (no green cones) | #1B253C | 0.023 |
| Tritanopia (no blue cones) | #002F30 | 0.034 |
| Achromatopsia (no color) | #272727 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B2A3C
#0B2A3C
oklch(27.2% 0.049 238.1)
- #39200C
#39200C
oklch(27.2% 0.05 57.1)
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 #0B2A3C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.021
- Dark #1B2431 ΔE 0.028
- Jet #212529 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.046
- Gunmetal #293241 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.057
- Midnight Green #073B4C ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.062
Use #0B2A3C 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.