#581F21
Closest named color: Claret (#680018). oklch(32.7% 0.084 21), rgb(88, 31, 33).
Aa
White text reads best on this color (12.86:1).
About this color
#581F21 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.084 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.047 away. White text reads best on it, at 12.86:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.63:1 |
| White text | 12.86:1 |
Values
| HEX | #581F21 |
| RGB | rgb(88, 31, 33) |
| HSL | hsl(358, 48%, 23%) |
| OKLCH | oklch(32.7% 0.084 21) |
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 #581F21 | 12.86:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #581F21 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #581F21 text on white | 12.86:1 | AAA | Lc 98.5 | Preferred for body text |
| #581F21 text on black | 1.63:1 | 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 900.
-
Step 50
50
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E5
oklch(93.5% 0.019 17.5)
-
Step 200
200
#F0D1CF
oklch(88.6% 0.035 22.2)
-
Step 300
300
#E7B1AF
oklch(80.9% 0.063 21)
-
Step 400
400
#D98685
oklch(70.7% 0.102 20.7)
-
Step 500
500
#CC6667
oklch(63.1% 0.13 20.8)
-
Step 600
600
#B74B4E
oklch(55.6% 0.14 21.2)
-
Step 700
700
#9D3B3F
oklch(49% 0.131 20.9)
-
Step 800
800
#803234
oklch(42.8% 0.108 21.3)
-
Step 900
900 (this color)
#581F21
oklch(32.7% 0.084 21)
-
Step 950
950
#3D1B1B
oklch(27.1% 0.053 21.2)
#581F21 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) | #2D2A21 | 0.091 |
| Deuteranopia (no green cones) | #3B3620 | 0.084 |
| Tritanopia (no blue cones) | #611520 | 0.024 |
| Achromatopsia (no color) | #323232 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #581F21
#581F21
oklch(32.7% 0.084 21)
- #003D40
#003D40
oklch(32.7% 0.056 200.3)
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 #581F21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.047
- Burgundy #610023 ΔE 0.048
- Reddy Brown #6E1005 ΔE 0.053
- Chocolate Brown #411900 ΔE 0.070
- Blood #770001 ΔE 0.071
- Mahogany #4A0100 ΔE 0.073
- Chestnut #742802 ΔE 0.076
- Wine Red #7B0323 ΔE 0.077
Use #581F21 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.