#0D2B31
Closest named color: Dark (#1B2431). oklch(27% 0.037 212.9), rgb(13, 43, 49).
Aa
White text reads best on this color (14.92:1).
About this color
#0D2B31 is a dark, muted teal or cyan. In OKLCH its lightness is 27%, its chroma 0.037 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.028 away. White text reads best on it, at 14.92:1.
| Hue family | Teals and cyans |
| Lightness | dark (27%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.40:1 |
| White text | 14.92:1 |
Values
| HEX | #0D2B31 |
| RGB | rgb(13, 43, 49) |
| HSL | hsl(190, 58%, 12%) |
| OKLCH | oklch(27% 0.037 212.9) |
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 #0D2B31 | 14.92:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #0D2B31 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #0D2B31 text on white | 14.92:1 | AAA | Lc 101.7 | Preferred for body text |
| #0D2B31 text on black | 1.40:1 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C8DEE3
oklch(88.6% 0.024 212.9)
-
Step 300
300
#A1C9D1
oklch(81% 0.044 211.2)
-
Step 400
400
#6BACBB
oklch(70.6% 0.07 214)
-
Step 500
500
#3C97A9
oklch(63% 0.089 213)
-
Step 600
600
#028295
oklch(55.7% 0.097 212.6)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#124954
oklch(37.6% 0.058 214.1)
-
Step 950
950 (this color)
#0D2B31
oklch(27% 0.037 212.9)
#0D2B31 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) | #262931 | 0.033 |
| Deuteranopia (no green cones) | #212531 | 0.031 |
| Tritanopia (no blue cones) | #002D2D | 0.016 |
| Achromatopsia (no color) | #272727 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D2B31
#0D2B31
oklch(27% 0.037 212.9)
- #36201B
#36201B
oklch(27% 0.036 33.4)
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 #0D2B31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.028
- Jet #212529 ΔE 0.031
- Oxford Blue #1B263B ΔE 0.034
- Gunmetal #293241 ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.054
- Rich Black #0D1B2A ΔE 0.057
- Midnight Green #073B4C ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.072
Use #0D2B31 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.