#231E2C
Closest named color: Dark (#1B2431). oklch(24.7% 0.027 300.8), rgb(35, 30, 44).
Aa
White text reads best on this color (16.23:1).
About this color
#231E2C is a very dark close to neutral grey. In OKLCH its lightness is 25%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Dark (#1B2431), ΔE 0.023 away. White text reads best on it, at 16.23:1.
| Hue family | Neutrals |
| Lightness | very dark (25%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.29:1 |
| White text | 16.23:1 |
Values
| HEX | #231E2C |
| RGB | rgb(35, 30, 44) |
| HSL | hsl(261, 19%, 15%) |
| OKLCH | oklch(24.7% 0.027 300.8) |
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 #231E2C | 16.23:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #231E2C | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #231E2C text on white | 16.23:1 | AAA | Lc 103.2 | Preferred for body text |
| #231E2C text on black | 1.29:1 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EBE8EF
oklch(93.5% 0.01 305.4)
-
Step 200
200
#DBD7E3
oklch(88.6% 0.017 301.2)
-
Step 300
300
#C4BCD3
oklch(80.9% 0.033 301.5)
-
Step 400
400
#A69ABC
oklch(70.8% 0.051 301.2)
-
Step 500
500
#9081AB
oklch(63.2% 0.064 300.9)
-
Step 600
600
#7A6A97
oklch(55.7% 0.071 300.4)
-
Step 700
700
#675881
oklch(49.1% 0.067 300.8)
-
Step 800
800
#544869
oklch(42.7% 0.056 300.8)
-
Step 900
900
#453C55
oklch(37.6% 0.043 300.8)
-
Step 950
950 (this color)
#231E2C
oklch(24.7% 0.027 300.8)
#231E2C 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) | #1B202D | 0.015 |
| Deuteranopia (no green cones) | #1C202C | 0.014 |
| Tritanopia (no blue cones) | #222023 | 0.021 |
| Achromatopsia (no color) | #202020 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231E2C
#231E2C
oklch(24.7% 0.027 300.8)
- #1F2314
#1F2314
oklch(24.7% 0.027 120.6)
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 #231E2C, 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 0.027
- Oxford Blue #1B263B ΔE 0.035
- Rich Black #0D1B2A ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.060
- Gunmetal #293241 ΔE 0.071
- Dark Brown #341C02 ΔE 0.073
- Eggplant #380835 ΔE 0.073
Use #231E2C 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.