#331F28
Closest named color: Jet (#212529). oklch(26.8% 0.034 351.1), rgb(51, 31, 40).
Aa
White text reads best on this color (15.35:1).
About this color
#331F28 is a dark, muted red. In OKLCH its lightness is 27%, its chroma 0.034 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.038 away. White text reads best on it, at 15.35:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.36:1 |
| White text | 15.35:1 |
Values
| HEX | #331F28 |
| RGB | rgb(51, 31, 40) |
| HSL | hsl(333, 24%, 16%) |
| OKLCH | oklch(26.8% 0.034 351.1) |
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 #331F28 | 15.35:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #331F28 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #331F28 text on white | 15.35:1 | AAA | Lc 102.2 | Preferred for body text |
| #331F28 text on black | 1.36:1 | 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
#F1E7EB
oklch(93.7% 0.012 351)
-
Step 200
200
#E6D3DB
oklch(88.5% 0.024 350.2)
-
Step 300
300
#D6B6C4
oklch(80.8% 0.041 349.9)
-
Step 400
400
#C190A5
oklch(70.6% 0.065 351.4)
-
Step 500
500
#B07490
oklch(63% 0.084 350.3)
-
Step 600
600
#9B5C7A
oklch(55.5% 0.091 350.5)
-
Step 700
700
#854C66
oklch(49.2% 0.084 351.8)
-
Step 800
800
#6C3E54
oklch(42.7% 0.071 350.4)
-
Step 900
900
#583545
oklch(37.7% 0.055 351.1)
-
Step 950
950 (this color)
#331F28
oklch(26.8% 0.034 351.1)
#331F28 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) | #212328 | 0.037 |
| Deuteranopia (no green cones) | #262628 | 0.033 |
| Tritanopia (no blue cones) | #361E22 | 0.012 |
| Achromatopsia (no color) | #252525 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331F28
#331F28
oklch(26.8% 0.034 351.1)
- #132B24
#132B24
oklch(26.7% 0.033 172.7)
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 #331F28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.038
- Dark #1B2431 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.056
- Dark Brown #341C02 ΔE 0.057
- Chocolate Brown #411900 ΔE 0.061
- Gunmetal #293241 ΔE 0.066
- Eggplant #380835 ΔE 0.068
Use #331F28 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.