#0B2A38
Closest named color: Oxford Blue (#1B263B). oklch(27% 0.044 231.3), rgb(11, 42, 56).
Aa
White text reads best on this color (14.97:1).
About this color
#0B2A38 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.044 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.024 away. White text reads best on it, at 14.97:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.40:1 |
| White text | 14.97:1 |
Values
| HEX | #0B2A38 |
| RGB | rgb(11, 42, 56) |
| HSL | hsl(199, 67%, 13%) |
| OKLCH | oklch(27% 0.044 231.3) |
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 #0B2A38 | 14.97:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #0B2A38 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #0B2A38 text on white | 14.97:1 | AAA | Lc 101.7 | Preferred for body text |
| #0B2A38 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C7DDE9
oklch(88.5% 0.029 231.5)
-
Step 300
300
#9FC7DD
oklch(80.8% 0.053 232.3)
-
Step 400
400
#67AACC
oklch(70.6% 0.084 231.8)
-
Step 500
500
#3694BE
oklch(63% 0.107 231.5)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005776
oklch(42.8% 0.087 231.2)
-
Step 900
900
#0D4860
oklch(37.8% 0.07 231)
-
Step 950
950 (this color)
#0B2A38
oklch(27% 0.044 231.3)
#0B2A38 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) | #232939 | 0.030 |
| Deuteranopia (no green cones) | #1D2538 | 0.026 |
| Tritanopia (no blue cones) | #002E2F | 0.027 |
| Achromatopsia (no color) | #272727 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B2A38
#0B2A38
oklch(27% 0.044 231.3)
- #372011
#372011
oklch(27% 0.044 53)
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 #0B2A38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.024
- Dark #1B2431 ΔE 0.026
- Jet #212529 ΔE 0.036
- Space Cadet #2B2D42 ΔE 0.049
- Gunmetal #293241 ΔE 0.051
- Rich Black #0D1B2A ΔE 0.054
- Midnight Green #073B4C ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.067
Use #0B2A38 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.