#231E29
Closest named color: Dark (#1B2431). oklch(24.6% 0.022 305.5), rgb(35, 30, 41).
Aa
White text reads best on this color (16.28:1).
About this color
#231E29 is a very dark close to neutral grey. In OKLCH its lightness is 25%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Dark (#1B2431), ΔE 0.024 away. White text reads best on it, at 16.28:1.
| Hue family | Neutrals |
| Lightness | very dark (25%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.28:1 |
| White text | 16.28:1 |
Values
| HEX | #231E29 |
| RGB | rgb(35, 30, 41) |
| HSL | hsl(267, 15%, 14%) |
| OKLCH | oklch(24.6% 0.022 305.5) |
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 #231E29 | 16.28:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #231E29 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #231E29 text on white | 16.28:1 | AAA | Lc 103.2 | Preferred for body text |
| #231E29 text on black | 1.28:1 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EBE9EE
oklch(93.7% 0.007 304.2)
-
Step 200
200
#DBD7E1
oklch(88.5% 0.014 304.1)
-
Step 300
300
#C4BDCE
oklch(80.9% 0.025 304.4)
-
Step 400
400
#A79AB6
oklch(70.7% 0.043 306.3)
-
Step 500
500
#9182A3
oklch(63.2% 0.052 305.6)
-
Step 600
600
#7B6B8E
oklch(55.6% 0.056 305.4)
-
Step 700
700
#685979
oklch(49.1% 0.053 305.9)
-
Step 800
800
#554963
oklch(42.8% 0.045 305.6)
-
Step 900
900
#463D50
oklch(37.7% 0.034 306.3)
-
Step 950
950 (this color)
#231E29
oklch(24.6% 0.022 305.5)
#231E29 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) | #1C2029 | 0.014 |
| Deuteranopia (no green cones) | #1D2029 | 0.012 |
| Tritanopia (no blue cones) | #221F22 | 0.015 |
| Achromatopsia (no color) | #202020 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231E29
#231E29
oklch(24.6% 0.022 305.5)
- #1E2317
#1E2317
oklch(24.7% 0.023 126.4)
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 #231E29, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.024
- Jet #212529 ΔE 0.025
- Oxford Blue #1B263B ΔE 0.038
- Rich Black #0D1B2A ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.063
- Dark Brown #341C02 ΔE 0.068
- Gunmetal #293241 ΔE 0.073
- Eggplant #380835 ΔE 0.076
Use #231E29 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.