#331D28
Closest named color: Jet (#212529). oklch(26.4% 0.039 348.7), rgb(51, 29, 40).
Aa
White text reads best on this color (15.58:1).
About this color
#331D28 is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.039 and its hue 349°. 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 15.58:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.34:1 |
| White text | 15.58:1 |
Values
| HEX | #331D28 |
| RGB | rgb(51, 29, 40) |
| HSL | hsl(330, 28%, 16%) |
| OKLCH | oklch(26.4% 0.039 348.7) |
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 #331D28 | 15.58:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #331D28 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #331D28 text on white | 15.58:1 | AAA | Lc 102.4 | Preferred for body text |
| #331D28 text on black | 1.34:1 | 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
#F1E6EB
oklch(93.5% 0.014 348)
-
Step 200
200
#E7D3DC
oklch(88.6% 0.025 348.6)
-
Step 300
300
#D8B5C5
oklch(80.8% 0.045 348.9)
-
Step 400
400
#C48EA8
oklch(70.7% 0.074 348.7)
-
Step 500
500
#B47293
oklch(63.2% 0.093 348.7)
-
Step 600
600
#9F597D
oklch(55.6% 0.102 348.8)
-
Step 700
700
#884969
oklch(49.2% 0.094 349.4)
-
Step 800
800
#6E3C56
oklch(42.7% 0.078 348.5)
-
Step 900
900
#5A3447
oklch(37.8% 0.061 349.1)
-
Step 950
950 (this color)
#331D28
oklch(26.4% 0.039 348.7)
#331D28 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) | #1F2128 | 0.041 |
| Deuteranopia (no green cones) | #242527 | 0.038 |
| Tritanopia (no blue cones) | #361D21 | 0.014 |
| Achromatopsia (no color) | #242424 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331D28
#331D28
oklch(26.4% 0.039 348.7)
- #0F2B22
#0F2B22
oklch(26.4% 0.038 169.7)
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 #331D28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.042
- Dark #1B2431 ΔE 0.048
- Oxford Blue #1B263B ΔE 0.056
- Dark Brown #341C02 ΔE 0.059
- Space Cadet #2B2D42 ΔE 0.060
- Eggplant #380835 ΔE 0.062
- Aubergine #3D0734 ΔE 0.063
- Chocolate Brown #411900 ΔE 0.063
Use #331D28 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.