#0D252B
Closest named color: Dark (#1B2431). oklch(24.8% 0.032 216.4), rgb(13, 37, 43).
Aa
White text reads best on this color (15.94:1).
About this color
#0D252B is a very dark, muted teal or cyan. In OKLCH its lightness is 25%, its chroma 0.032 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.023 away. White text reads best on it, at 15.94:1.
| Hue family | Teals and cyans |
| Lightness | very dark (25%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.31:1 |
| White text | 15.94:1 |
Values
| HEX | #0D252B |
| RGB | rgb(13, 37, 43) |
| HSL | hsl(192, 54%, 11%) |
| OKLCH | oklch(24.8% 0.032 216.4) |
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 #0D252B | 15.94:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #0D252B | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #0D252B text on white | 15.94:1 | AAA | Lc 102.8 | Preferred for body text |
| #0D252B text on black | 1.31:1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A6C7D0
oklch(80.8% 0.038 216.1)
-
Step 400
400
#75AAB9
oklch(70.6% 0.06 217.4)
-
Step 500
500
#4D95A7
oklch(63% 0.077 216.1)
-
Step 600
600
#2B7F93
oklch(55.5% 0.084 216.9)
-
Step 700
700
#1D6B7D
oklch(49% 0.078 216.9)
-
Step 800
800
#1B5866
oklch(42.8% 0.065 216.2)
-
Step 900
900
#1D4853
oklch(37.6% 0.051 217.1)
-
Step 950
950 (this color)
#0D252B
oklch(24.8% 0.032 216.4)
#0D252B 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) | #21242B | 0.028 |
| Deuteranopia (no green cones) | #1C202B | 0.026 |
| Tritanopia (no blue cones) | #002727 | 0.017 |
| Achromatopsia (no color) | #222222 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D252B
#0D252B
oklch(24.8% 0.032 216.4)
- #2F1C16
#2F1C16
oklch(24.9% 0.032 38.3)
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 #0D252B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.023
- Jet #212529 ΔE 0.028
- Rich Black #0D1B2A ΔE 0.037
- Oxford Blue #1B263B ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.068
- Gunmetal #293241 ΔE 0.071
- Rich Navy #001219 ΔE 0.079
- Dark Forest Green #002D04 ΔE 0.080
Use #0D252B 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.