#331F20
Closest named color: Jet (#212529). oklch(26.5% 0.031 16.1), rgb(51, 31, 32).
Aa
White text reads best on this color (15.46:1).
About this color
#331F20 is a dark, muted red. In OKLCH its lightness is 27%, its chroma 0.031 and its hue 16°. 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 15.46:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | muted (0.031) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.35:1 |
| White text | 15.46:1 |
Values
| HEX | #331F20 |
| RGB | rgb(51, 31, 32) |
| HSL | hsl(357, 24%, 16%) |
| OKLCH | oklch(26.5% 0.031 16.1) |
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 #331F20 | 15.46:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #331F20 | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #331F20 text on white | 15.46:1 | AAA | Lc 102.3 | Preferred for body text |
| #331F20 text on black | 1.35:1 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F1E7E7
oklch(93.6% 0.011 17.4)
-
Step 200
200
#E6D4D4
oklch(88.5% 0.02 17.5)
-
Step 300
300
#D8B7B8
oklch(80.8% 0.038 15.9)
-
Step 400
400
#C39294
oklch(70.7% 0.059 16)
-
Step 500
500
#B3777A
oklch(63.2% 0.076 16.2)
-
Step 600
600
#9E5F63
oklch(55.7% 0.082 16)
-
Step 700
700
#874E52
oklch(49.2% 0.077 15.8)
-
Step 800
800
#6E4043
oklch(42.7% 0.064 15.9)
-
Step 900
900
#593738
oklch(37.8% 0.049 17.7)
-
Step 950
950 (this color)
#331F20
oklch(26.5% 0.031 16.1)
#331F20 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) | #232220 | 0.033 |
| Deuteranopia (no green cones) | #272620 | 0.032 |
| Tritanopia (no blue cones) | #371D1F | 0.010 |
| Achromatopsia (no color) | #242424 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331F20
#331F20
oklch(26.5% 0.031 16.1)
- #112A2A
#112A2A
oklch(26.5% 0.031 195.4)
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 #331F20, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.038
- Dark Brown #341C02 ΔE 0.042
- Chocolate Brown #411900 ΔE 0.049
- Dark #1B2431 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.065
- Deep Brown #410200 ΔE 0.070
- Dark Maroon #3C0008 ΔE 0.072
Use #331F20 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.