#0B2D41
Closest named color: Oxford Blue (#1B263B). oklch(28.4% 0.053 238.8), rgb(11, 45, 65).
Aa
White text reads best on this color (14.32:1).
About this color
#0B2D41 is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.053 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.027 away. White text reads best on it, at 14.32:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.46:1 |
| White text | 14.32:1 |
Values
| HEX | #0B2D41 |
| RGB | rgb(11, 45, 65) |
| HSL | hsl(202, 71%, 15%) |
| OKLCH | oklch(28.4% 0.053 238.8) |
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 #0B2D41 | 14.32:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #0B2D41 | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #0B2D41 text on white | 14.32:1 | AAA | Lc 100.9 | Preferred for body text |
| #0B2D41 text on black | 1.46:1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C5DDEE
oklch(88.5% 0.035 238.7)
-
Step 300
300
#9BC7E5
oklch(80.9% 0.063 238.4)
-
Step 400
400
#60A9D8
oklch(70.6% 0.101 238.6)
-
Step 500
500
#2793CE
oklch(63.2% 0.128 238.6)
-
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
#014769
oklch(37.8% 0.084 238.4)
-
Step 950
950 (this color)
#0B2D41
oklch(28.4% 0.053 238.8)
#0B2D41 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) | #242D42 | 0.030 |
| Deuteranopia (no green cones) | #1C2841 | 0.023 |
| Tritanopia (no blue cones) | #003234 | 0.035 |
| Achromatopsia (no color) | #2A2A2A | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B2D41
#0B2D41
oklch(28.4% 0.053 238.8)
- #3D230C
#3D230C
oklch(28.5% 0.053 59.5)
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 #0B2D41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.027
- Dark #1B2431 ΔE 0.038
- Space Cadet #2B2D42 ΔE 0.041
- Gunmetal #293241 ΔE 0.042
- Midnight Green #073B4C ΔE 0.048
- Jet #212529 ΔE 0.049
- Prussian Blue #1D3557 ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.055
Use #0B2D41 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.