#0D2639
Closest named color: Oxford Blue (#1B263B). oklch(25.9% 0.047 244.1), rgb(13, 38, 57).
Aa
White text reads best on this color (15.51:1).
About this color
#0D2639 is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.047 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.018 away. White text reads best on it, at 15.51:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.35:1 |
| White text | 15.51:1 |
Values
| HEX | #0D2639 |
| RGB | rgb(13, 38, 57) |
| HSL | hsl(206, 63%, 14%) |
| OKLCH | oklch(25.9% 0.047 244.1) |
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 #0D2639 | 15.51:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #0D2639 | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #0D2639 text on white | 15.51:1 | AAA | Lc 102.3 | Preferred for body text |
| #0D2639 text on black | 1.35:1 | 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
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A3C5E3
oklch(80.9% 0.056 245.2)
-
Step 400
400
#6FA7D5
oklch(70.7% 0.09 244.3)
-
Step 500
500
#4590CA
oklch(63.1% 0.115 244.5)
-
Step 600
600
#1F79B6
oklch(55.5% 0.124 244.1)
-
Step 700
700
#0F669D
oklch(49.2% 0.116 244)
-
Step 800
800
#12537F
oklch(42.6% 0.096 244.2)
-
Step 900
900
#184566
oklch(37.6% 0.075 244.1)
-
Step 950
950 (this color)
#0D2639
oklch(25.9% 0.047 244.1)
#0D2639 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) | #1E263A | 0.022 |
| Deuteranopia (no green cones) | #172239 | 0.017 |
| Tritanopia (no blue cones) | #002B2D | 0.035 |
| Achromatopsia (no color) | #242424 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D2639
#0D2639
oklch(25.9% 0.047 244.1)
- #341E08
#341E08
oklch(25.9% 0.048 62.7)
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 #0D2639, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.018
- Dark #1B2431 ΔE 0.021
- Jet #212529 ΔE 0.038
- Rich Black #0D1B2A ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.053
- Gunmetal #293241 ΔE 0.060
- Marine #042E60 ΔE 0.072
- Prussian Blue #1D3557 ΔE 0.073
Use #0D2639 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.