#282231
Closest named color: Dark (#1B2431). oklch(26.5% 0.029 302.8), rgb(40, 34, 49).
Aa
White text reads best on this color (15.40:1).
About this color
#282231 is a dark close to neutral grey. In OKLCH its lightness is 27%, 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 15.40:1.
| Hue family | Neutrals |
| Lightness | dark (27%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.36:1 |
| White text | 15.40:1 |
Values
| HEX | #282231 |
| RGB | rgb(40, 34, 49) |
| HSL | hsl(264, 18%, 16%) |
| OKLCH | oklch(26.5% 0.029 302.8) |
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 #282231 | 15.40:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #282231 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #282231 text on white | 15.40:1 | AAA | Lc 102.3 | Preferred for body text |
| #282231 text on black | 1.36:1 | 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
#DBD6E4
oklch(88.4% 0.02 302.2)
-
Step 300
300
#C5BCD3
oklch(81% 0.033 303.4)
-
Step 400
400
#A799BD
oklch(70.7% 0.054 302.8)
-
Step 500
500
#9280AD
oklch(63.2% 0.069 302.8)
-
Step 600
600
#7C6898
oklch(55.5% 0.076 303.1)
-
Step 700
700
#695782
oklch(49.2% 0.07 303.1)
-
Step 800
800
#554769
oklch(42.6% 0.058 302.9)
-
Step 900
900
#463C56
oklch(37.7% 0.045 301.9)
-
Step 950
950 (this color)
#282231
oklch(26.5% 0.029 302.8)
#282231 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) | #1F2432 | 0.017 |
| Deuteranopia (no green cones) | #202531 | 0.017 |
| Tritanopia (no blue cones) | #272427 | 0.022 |
| Achromatopsia (no color) | #252525 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282231
#282231
oklch(26.5% 0.029 302.8)
- #232818
#232818
oklch(26.7% 0.029 122.5)
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 #282231, 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 0.025
- Oxford Blue #1B263B ΔE 0.028
- Space Cadet #2B2D42 ΔE 0.043
- Gunmetal #293241 ΔE 0.054
- Rich Black #0D1B2A ΔE 0.056
- Eggplant #380835 ΔE 0.074
- Dark Brown #341C02 ΔE 0.074
Use #282231 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.