#331B24
Closest named color: Jet (#212529). oklch(25.8% 0.04 356.3), rgb(51, 27, 36).
Aa
White text reads best on this color (15.87:1).
About this color
#331B24 is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.040 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.044 away. White text reads best on it, at 15.87:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.32:1 |
| White text | 15.87:1 |
Values
| HEX | #331B24 |
| RGB | rgb(51, 27, 36) |
| HSL | hsl(338, 31%, 15%) |
| OKLCH | oklch(25.8% 0.04 356.3) |
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 #331B24 | 15.87:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #331B24 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #331B24 text on white | 15.87:1 | AAA | Lc 102.7 | Preferred for body text |
| #331B24 text on black | 1.32:1 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F2E6EA
oklch(93.6% 0.014 355)
-
Step 200
200
#E9D2D9
oklch(88.5% 0.027 357.3)
-
Step 300
300
#DBB4C1
oklch(80.8% 0.048 356.2)
-
Step 400
400
#C88DA2
oklch(70.7% 0.076 356.2)
-
Step 500
500
#B8708B
oklch(63.1% 0.097 356.2)
-
Step 600
600
#A35775
oklch(55.5% 0.106 356)
-
Step 700
700
#8C4762
oklch(49.1% 0.099 356.6)
-
Step 800
800
#723B50
oklch(42.8% 0.081 356.8)
-
Step 900
900
#5C3342
oklch(37.7% 0.062 357.1)
-
Step 950
950 (this color)
#331B24
oklch(25.8% 0.04 356.3)
#331B24 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) | #1E2024 | 0.044 |
| Deuteranopia (no green cones) | #242423 | 0.041 |
| Tritanopia (no blue cones) | #371A1E | 0.013 |
| Achromatopsia (no color) | #222222 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331B24
#331B24
oklch(25.8% 0.04 356.3)
- #092A23
#092A23
oklch(25.9% 0.04 176.2)
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 #331B24, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.044
- Dark #1B2431 ΔE 0.052
- Dark Brown #341C02 ΔE 0.054
- Chocolate Brown #411900 ΔE 0.059
- Oxford Blue #1B263B ΔE 0.061
- Eggplant #380835 ΔE 0.062
- Aubergine #3D0734 ΔE 0.063
- Dark Maroon #3C0008 ΔE 0.065
Use #331B24 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.