#232B23
Closest named color: Jet (#212529). oklch(27.8% 0.018 145.1), rgb(35, 43, 35).
Aa
White text reads best on this color (14.57:1).
About this color
#232B23 is a dark close to neutral grey. In OKLCH its lightness is 28%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.028 away. White text reads best on it, at 14.57:1.
| Hue family | Neutrals |
| Lightness | dark (28%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.44:1 |
| White text | 14.57:1 |
Values
| HEX | #232B23 |
| RGB | rgb(35, 43, 35) |
| HSL | hsl(120, 10%, 15%) |
| OKLCH | oklch(27.8% 0.018 145.1) |
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 #232B23 | 14.57:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #232B23 | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #232B23 text on white | 14.57:1 | AAA | Lc 101.4 | Preferred for body text |
| #232B23 text on black | 1.44:1 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE7
oklch(93.6% 0.007 145.5)
-
Step 200
200
#D4DBD4
oklch(88.4% 0.012 145.5)
-
Step 300
300
#B8C5B8
oklch(81% 0.023 145.4)
-
Step 400
400
#94A794
oklch(70.8% 0.035 145.2)
-
Step 500
500
#799179
oklch(63.1% 0.045 145)
-
Step 600
600
#627B62
oklch(55.6% 0.048 144.9)
-
Step 700
700
#516851
oklch(49.2% 0.045 144.8)
-
Step 800
800
#425543
oklch(42.8% 0.038 146.2)
-
Step 900
900
#384638
oklch(37.7% 0.03 145)
-
Step 950
950 (this color)
#232B23
oklch(27.8% 0.018 145.1)
#232B23 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) | #2B2923 | 0.015 |
| Deuteranopia (no green cones) | #2A2923 | 0.013 |
| Tritanopia (no blue cones) | #222A29 | 0.013 |
| Achromatopsia (no color) | #292929 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232B23
#232B23
oklch(27.8% 0.018 145.1)
- #2D252E
#2D252E
oklch(27.7% 0.02 322.5)
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 #232B23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.028
- Dark #1B2431 ΔE 0.044
- Pakistan Green #283618 ΔE 0.049
- Oxford Blue #1B263B ΔE 0.054
- Gunmetal #293241 ΔE 0.055
- Space Cadet #2B2D42 ΔE 0.059
- Dark Brown #341C02 ΔE 0.060
- Very Dark Green #062E03 ΔE 0.066
Use #232B23 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.