#0D2E4E
Closest named color: Marine (#042E60). oklch(29.6% 0.07 250.9), rgb(13, 46, 78).
Aa
White text reads best on this color (13.83:1).
About this color
#0D2E4E is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.070 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.033 away. White text reads best on it, at 13.83:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.51:1 |
| White text | 13.83:1 |
Values
| HEX | #0D2E4E |
| RGB | rgb(13, 46, 78) |
| HSL | hsl(210, 71%, 18%) |
| OKLCH | oklch(29.6% 0.07 250.9) |
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 #0D2E4E | 13.83:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #0D2E4E | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #0D2E4E text on white | 13.83:1 | AAA | Lc 100.2 | Preferred for body text |
| #0D2E4E text on black | 1.51:1 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C3DCF7
oklch(88.5% 0.046 250.4)
-
Step 300
300
#99C5F5
oklch(80.9% 0.083 251)
-
Step 400
400
#5DA5F0
oklch(70.7% 0.132 251.1)
-
Step 500
500
#228CEA
oklch(63.1% 0.168 250.8)
-
Step 600
600
#0075CD
oklch(55.6% 0.161 250.9)
-
Step 700
700
#0062AD
oklch(49.1% 0.142 250.8)
-
Step 800
800
#00508F
oklch(42.6% 0.123 250.8)
-
Step 900
900
#004379
oklch(37.8% 0.109 250.7)
-
Step 950
950 (this color)
#0D2E4E
oklch(29.6% 0.07 250.9)
#0D2E4E 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) | #1F304F | 0.021 |
| Deuteranopia (no green cones) | #152A4D | 0.014 |
| Tritanopia (no blue cones) | #00363A | 0.053 |
| Achromatopsia (no color) | #2D2D2D | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D2E4E
#0D2E4E
oklch(29.6% 0.07 250.9)
- #402600
#402600
oklch(29.5% 0.064 70.9)
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 #0D2E4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.033
- Oxford Blue #1B263B ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.042
- Midnight Green #073B4C ΔE 0.045
- Gunmetal #293241 ΔE 0.045
- Dark Blue Grey #1F3B4D ΔE 0.050
- Marine Blue #01386A ΔE 0.054
Use #0D2E4E 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.