#31221E
Closest named color: Jet (#212529). oklch(26.9% 0.024 35.5), rgb(49, 34, 30).
Aa
White text reads best on this color (15.23:1).
About this color
#31221E is a dark close to neutral grey. In OKLCH its lightness is 27%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.034 away. White text reads best on it, at 15.23:1.
| Hue family | Neutrals |
| Lightness | dark (27%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.37:1 |
| White text | 15.23:1 |
Values
| HEX | #31221E |
| RGB | rgb(49, 34, 30) |
| HSL | hsl(13, 24%, 15%) |
| OKLCH | oklch(26.9% 0.024 35.5) |
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 #31221E | 15.23:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #31221E | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #31221E text on white | 15.23:1 | AAA | Lc 102.1 | Preferred for body text |
| #31221E text on black | 1.37:1 | 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#EFE8E6
oklch(93.6% 0.008 36.6)
-
Step 200
200
#E3D6D2
oklch(88.5% 0.015 37.9)
-
Step 300
300
#D2BBB4
oklch(81% 0.028 37.6)
-
Step 400
400
#BB978D
oklch(70.7% 0.046 36)
-
Step 500
500
#AA7D71
oklch(63.1% 0.059 35.5)
-
Step 600
600
#956659
oklch(55.6% 0.064 36.1)
-
Step 700
700
#7F5449
oklch(49% 0.061 35)
-
Step 800
800
#67453C
oklch(42.6% 0.05 35.4)
-
Step 900
900
#543A34
oklch(37.6% 0.039 33.4)
-
Step 950
950 (this color)
#31221E
oklch(26.9% 0.024 35.5)
#31221E 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) | #25241E | 0.024 |
| Deuteranopia (no green cones) | #29271E | 0.022 |
| Tritanopia (no blue cones) | #352021 | 0.013 |
| Achromatopsia (no color) | #252525 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31221E
#31221E
oklch(26.9% 0.024 35.5)
- #18292E
#18292E
oklch(26.8% 0.024 218.3)
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 #31221E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.034
- Dark Brown #341C02 ΔE 0.038
- Chocolate Brown #411900 ΔE 0.049
- Dark #1B2431 ΔE 0.050
- Oxford Blue #1B263B ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.064
- Gunmetal #293241 ΔE 0.068
- Pakistan Green #283618 ΔE 0.074
Use #31221E 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.