#331C21
Closest named color: Jet (#212529). oklch(25.9% 0.037 5.9), rgb(51, 28, 33).
Aa
White text reads best on this color (15.80:1).
About this color
#331C21 is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.037 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.042 away. White text reads best on it, at 15.80:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.32:1 |
| White text | 15.80:1 |
Values
| HEX | #331C21 |
| RGB | rgb(51, 28, 33) |
| HSL | hsl(347, 29%, 15%) |
| OKLCH | oklch(25.9% 0.037 5.9) |
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 #331C21 | 15.80:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #331C21 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #331C21 text on white | 15.80:1 | AAA | Lc 102.7 | Preferred for body text |
| #331C21 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
#F2E7E8
oklch(93.7% 0.012 11)
-
Step 200
200
#E8D3D7
oklch(88.5% 0.024 4.5)
-
Step 300
300
#DBB5BC
oklch(80.8% 0.045 5.7)
-
Step 400
400
#C78F9A
oklch(70.8% 0.069 6)
-
Step 500
500
#B87281
oklch(63.1% 0.09 6.1)
-
Step 600
600
#A35A6B
oklch(55.7% 0.097 5.8)
-
Step 700
700
#8B4959
oklch(49% 0.091 5.5)
-
Step 800
800
#713C49
oklch(42.6% 0.076 5.1)
-
Step 900
900
#5C343D
oklch(37.8% 0.059 5.7)
-
Step 950
950 (this color)
#331C21
oklch(25.9% 0.037 5.9)
#331C21 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) | #202021 | 0.040 |
| Deuteranopia (no green cones) | #252421 | 0.037 |
| Tritanopia (no blue cones) | #371A1E | 0.010 |
| Achromatopsia (no color) | #232323 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331C21
#331C21
oklch(25.9% 0.037 5.9)
- #0A2A26
#0A2A26
oklch(26% 0.038 183.8)
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 #331C21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.042
- Dark Brown #341C02 ΔE 0.047
- Dark #1B2431 ΔE 0.053
- Chocolate Brown #411900 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.063
- Dark Maroon #3C0008 ΔE 0.065
- Deep Brown #410200 ΔE 0.066
- Space Cadet #2B2D42 ΔE 0.069
Use #331C21 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.