#0D1938
Closest named color: Rich Black (#0D1B2A). oklch(22.3% 0.063 265.7), rgb(13, 25, 56).
Aa
White text reads best on this color (17.30:1).
About this color
#0D1938 is a very dark, muted blue. In OKLCH its lightness is 22%, its chroma 0.063 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.030 away. White text reads best on it, at 17.30:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.30:1 |
Values
| HEX | #0D1938 |
| RGB | rgb(13, 25, 56) |
| HSL | hsl(223, 62%, 14%) |
| OKLCH | oklch(22.3% 0.063 265.7) |
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 #0D1938 | 17.30:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #0D1938 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #0D1938 text on white | 17.30:1 | AAA | Lc 104.0 | Preferred for body text |
| #0D1938 text on black | 1.21:1 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CCD9F5
oklch(88.4% 0.041 265.7)
-
Step 300
300
#AAC0F1
oklch(80.8% 0.074 265.9)
-
Step 400
400
#7D9EEB
oklch(70.6% 0.119 265.8)
-
Step 500
500
#5D84E5
oklch(63.1% 0.152 265.7)
-
Step 600
600
#446CD3
oklch(55.7% 0.165 265.4)
-
Step 700
700
#3659B6
oklch(49% 0.153 265.5)
-
Step 800
800
#2D4994
oklch(42.7% 0.128 265.8)
-
Step 900
900
#283E76
oklch(37.7% 0.1 265.7)
-
Step 950
950 (this color)
#0D1938
oklch(22.3% 0.063 265.7)
#0D1938 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) | #091D39 | 0.013 |
| Deuteranopia (no green cones) | #031937 | 0.013 |
| Tritanopia (no blue cones) | #002025 | 0.052 |
| Achromatopsia (no color) | #1B1B1B | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D1938
#0D1938
oklch(22.3% 0.063 265.7)
- #251900
#251900
oklch(22.3% 0.046 84.4)
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 #0D1938, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.030
- Navy Blue #001146 ΔE 0.042
- Dark #1B2431 ΔE 0.050
- Oxford Blue #1B263B ΔE 0.051
- Night Blue #040348 ΔE 0.066
- Jet #212529 ΔE 0.067
- Dark Indigo #1F0954 ΔE 0.069
- Rich Navy #001219 ΔE 0.070
Use #0D1938 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.