#0D1F3D
Closest named color: Oxford Blue (#1B263B). oklch(24.3% 0.062 260), rgb(13, 31, 61).
Aa
White text reads best on this color (16.39:1).
About this color
#0D1F3D is a very dark, muted blue. In OKLCH its lightness is 24%, its chroma 0.062 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.033 away. White text reads best on it, at 16.39:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.28:1 |
| White text | 16.39:1 |
Values
| HEX | #0D1F3D |
| RGB | rgb(13, 31, 61) |
| HSL | hsl(218, 65%, 15%) |
| OKLCH | oklch(24.3% 0.062 260) |
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 #0D1F3D | 16.39:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #0D1F3D | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #0D1F3D text on white | 16.39:1 | AAA | Lc 103.2 | Preferred for body text |
| #0D1F3D 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CADAF5
oklch(88.5% 0.041 260.9)
-
Step 300
300
#A5C2F1
oklch(80.9% 0.074 260)
-
Step 400
400
#75A1EA
oklch(70.7% 0.118 260.2)
-
Step 500
500
#5087E3
oklch(63% 0.151 260.1)
-
Step 600
600
#346FD1
oklch(55.5% 0.164 260)
-
Step 700
700
#275CB5
oklch(49% 0.152 260.2)
-
Step 800
800
#214C93
oklch(42.7% 0.127 259.9)
-
Step 900
900
#204075
oklch(37.7% 0.098 259.9)
-
Step 950
950 (this color)
#0D1F3D
oklch(24.3% 0.062 260)
#0D1F3D 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) | #11223E | 0.012 |
| Deuteranopia (no green cones) | #091D3C | 0.009 |
| Tritanopia (no blue cones) | #00262B | 0.049 |
| Achromatopsia (no color) | #1F1F1F | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D1F3D
#0D1F3D
oklch(24.3% 0.062 260)
- #2C1D00
#2C1D00
oklch(24.3% 0.05 81.3)
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 #0D1F3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.033
- Rich Black #0D1B2A ΔE 0.037
- Dark #1B2431 ΔE 0.038
- Navy Blue #001146 ΔE 0.051
- Jet #212529 ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.069
- Dark Indigo #1F0954 ΔE 0.071
- Marine #042E60 ΔE 0.074
Use #0D1F3D 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.