#231E2D
Closest named color: Dark (#1B2431). oklch(24.8% 0.029 299.6), rgb(35, 30, 45).
Aa
White text reads best on this color (16.21:1).
About this color
#231E2D is a very dark close to neutral grey. In OKLCH its lightness is 25%, its chroma 0.029. 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 16.21:1.
| Hue family | Neutrals |
| Lightness | very dark (25%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.29:1 |
| White text | 16.21:1 |
Values
| HEX | #231E2D |
| RGB | rgb(35, 30, 45) |
| HSL | hsl(260, 20%, 15%) |
| OKLCH | oklch(24.8% 0.029 299.6) |
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 #231E2D | 16.21:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #231E2D | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #231E2D text on white | 16.21:1 | AAA | Lc 103.2 | Preferred for body text |
| #231E2D 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
#EBE8F0
oklch(93.6% 0.011 303.1)
-
Step 200
200
#DBD7E4
oklch(88.6% 0.018 300)
-
Step 300
300
#C3BCD4
oklch(80.8% 0.034 299)
-
Step 400
400
#A599BE
oklch(70.6% 0.055 299.8)
-
Step 500
500
#8F80AE
oklch(63% 0.07 299.3)
-
Step 600
600
#7A699A
oklch(55.6% 0.077 299.8)
-
Step 700
700
#665883
oklch(49.1% 0.069 298.8)
-
Step 800
800
#54486B
oklch(42.8% 0.059 299.7)
-
Step 900
900
#453C56
oklch(37.6% 0.045 300.1)
-
Step 950
950 (this color)
#231E2D
oklch(24.8% 0.029 299.6)
#231E2D 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) | #1B202E | 0.015 |
| Deuteranopia (no green cones) | #1C202D | 0.014 |
| Tritanopia (no blue cones) | #212023 | 0.023 |
| Achromatopsia (no color) | #202020 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231E2D
#231E2D
oklch(24.8% 0.029 299.6)
- #1F2313
#1F2313
oklch(24.7% 0.029 120)
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 #231E2D, 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 0.028
- Oxford Blue #1B263B ΔE 0.034
- Rich Black #0D1B2A ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.059
- Gunmetal #293241 ΔE 0.070
- Eggplant #380835 ΔE 0.072
- Dark Brown #341C02 ΔE 0.075
Use #231E2D 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.