#0D231E
Closest named color: Jet (#212529). oklch(23.6% 0.03 176.9), rgb(13, 35, 30).
Aa
White text reads best on this color (16.45:1).
About this color
#0D231E is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.038 away. White text reads best on it, at 16.45:1.
| Hue family | Neutrals |
| Lightness | very dark (24%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.27:1 |
| White text | 16.45:1 |
Values
| HEX | #0D231E |
| RGB | rgb(13, 35, 30) |
| HSL | hsl(166, 46%, 9%) |
| OKLCH | oklch(23.6% 0.03 176.9) |
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 #0D231E | 16.45:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #0D231E | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #0D231E text on white | 16.45:1 | AAA | Lc 103.3 | Preferred for body text |
| #0D231E text on black | 1.27:1 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDED9
oklch(88.6% 0.02 177.4)
-
Step 300
300
#A9C9C0
oklch(81% 0.037 176.5)
-
Step 400
400
#7AADA0
oklch(70.8% 0.057 177)
-
Step 500
500
#569888
oklch(63.1% 0.072 176.4)
-
Step 600
600
#388272
oklch(55.5% 0.078 176.9)
-
Step 700
700
#296E60
oklch(49% 0.073 177.4)
-
Step 800
800
#245A4E
oklch(42.7% 0.061 176.4)
-
Step 900
900
#234A41
oklch(37.7% 0.047 176.7)
-
Step 950
950 (this color)
#0D231E
oklch(23.6% 0.03 176.9)
#0D231E 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) | #22211E | 0.032 |
| Deuteranopia (no green cones) | #1E1E1E | 0.030 |
| Tritanopia (no blue cones) | #052421 | 0.008 |
| Achromatopsia (no color) | #1F1F1F | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D231E
#0D231E
oklch(23.6% 0.03 176.9)
- #2A181F
#2A181F
oklch(23.6% 0.031 354.8)
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 #0D231E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.038
- Dark #1B2431 ΔE 0.043
- Rich Black #0D1B2A ΔE 0.044
- Oxford Blue #1B263B ΔE 0.060
- Dark Forest Green #002D04 ΔE 0.064
- Very Dark Green #062E03 ΔE 0.066
- Rich Navy #001219 ΔE 0.071
- Dark Brown #341C02 ΔE 0.073
Use #0D231E 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.