#0D2038
Closest named color: Rich Black (#0D1B2A). oklch(24.2% 0.053 255.3), rgb(13, 32, 56).
Aa
White text reads best on this color (16.39:1).
About this color
#0D2038 is a very dark, muted blue. In OKLCH its lightness is 24%, its chroma 0.053 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.029 away. White text reads best on it, at 16.39:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.28:1 |
| White text | 16.39:1 |
Values
| HEX | #0D2038 |
| RGB | rgb(13, 32, 56) |
| HSL | hsl(213, 62%, 14%) |
| OKLCH | oklch(24.2% 0.053 255.3) |
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 #0D2038 | 16.39:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #0D2038 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #0D2038 text on white | 16.39:1 | AAA | Lc 103.2 | Preferred for body text |
| #0D2038 text on black | 1.28:1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CADBF0
oklch(88.5% 0.034 253.7)
-
Step 300
300
#A6C3E9
oklch(80.9% 0.063 255.3)
-
Step 400
400
#76A3DE
oklch(70.7% 0.1 255.5)
-
Step 500
500
#518BD5
oklch(63.1% 0.128 255.3)
-
Step 600
600
#3474C2
oklch(55.7% 0.138 255)
-
Step 700
700
#2661A8
oklch(49.2% 0.129 255.1)
-
Step 800
800
#214F88
oklch(42.7% 0.107 255.4)
-
Step 900
900
#21426D
oklch(37.7% 0.084 255.9)
-
Step 950
950 (this color)
#0D2038
oklch(24.2% 0.053 255.3)
#0D2038 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) | #152239 | 0.013 |
| Deuteranopia (no green cones) | #0F1E38 | 0.007 |
| Tritanopia (no blue cones) | #002629 | 0.043 |
| Achromatopsia (no color) | #1F1F1F | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D2038
#0D2038
oklch(24.2% 0.053 255.3)
- #2D1B00
#2D1B00
oklch(24% 0.051 74.8)
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 #0D2038, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.029
- Dark #1B2431 ΔE 0.030
- Oxford Blue #1B263B ΔE 0.030
- Jet #212529 ΔE 0.048
- Navy Blue #001146 ΔE 0.059
- Space Cadet #2B2D42 ΔE 0.068
- Gunmetal #293241 ΔE 0.077
- Rich Navy #001219 ΔE 0.079
Use #0D2038 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.