#331B27
Closest named color: Jet (#212529). oklch(25.9% 0.042 349.1), rgb(51, 27, 39).
Aa
White text reads best on this color (15.82:1).
About this color
#331B27 is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.042 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.045 away. White text reads best on it, at 15.82:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | muted (0.042) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.32:1 |
| White text | 15.82:1 |
Values
| HEX | #331B27 |
| RGB | rgb(51, 27, 39) |
| HSL | hsl(330, 31%, 15%) |
| OKLCH | oklch(25.9% 0.042 349.1) |
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 #331B27 | 15.82:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #331B27 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #331B27 text on white | 15.82:1 | AAA | Lc 102.7 | Preferred for body text |
| #331B27 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F2E6EB
oklch(93.6% 0.015 350.1)
-
Step 200
200
#E8D2DC
oklch(88.5% 0.028 348.4)
-
Step 300
300
#DBB4C6
oklch(81% 0.051 348.8)
-
Step 400
400
#C78CA8
oklch(70.6% 0.08 349.3)
-
Step 500
500
#B76F93
oklch(63.1% 0.102 349.1)
-
Step 600
600
#A2567D
oklch(55.5% 0.111 349.2)
-
Step 700
700
#8B466A
oklch(49.1% 0.104 349)
-
Step 800
800
#713A56
oklch(42.7% 0.085 349.5)
-
Step 900
900
#5C3247
oklch(37.7% 0.067 349.5)
-
Step 950
950 (this color)
#331B27
oklch(25.9% 0.042 349.1)
#331B27 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) | #1D2027 | 0.046 |
| Deuteranopia (no green cones) | #232426 | 0.042 |
| Tritanopia (no blue cones) | #361A1F | 0.015 |
| Achromatopsia (no color) | #222222 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331B27
#331B27
oklch(25.9% 0.042 349.1)
- #0A2A20
#0A2A20
oklch(25.8% 0.042 169.1)
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 #331B27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.045
- Dark #1B2431 ΔE 0.051
- Eggplant #380835 ΔE 0.058
- Aubergine #3D0734 ΔE 0.059
- Oxford Blue #1B263B ΔE 0.059
- Dark Brown #341C02 ΔE 0.060
- Dark Plum #3F012C ΔE 0.062
- Chocolate Brown #411900 ΔE 0.064
Use #331B27 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.