#581B17
Closest named color: Claret (#680018). oklch(31.9% 0.091 27.2), rgb(88, 27, 23).
Aa
White text reads best on this color (13.25:1).
About this color
#581B17 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.091 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.044 away. White text reads best on it, at 13.25:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.58:1 |
| White text | 13.25:1 |
Values
| HEX | #581B17 |
| RGB | rgb(88, 27, 23) |
| HSL | hsl(4, 59%, 22%) |
| OKLCH | oklch(31.9% 0.091 27.2) |
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 #581B17 | 13.25:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #581B17 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #581B17 text on white | 13.25:1 | AAA | Lc 99.0 | Preferred for body text |
| #581B17 text on black | 1.58:1 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DF
oklch(93.7% 0.03 27.8)
-
Step 200
200
#FFCBC4
oklch(88.6% 0.06 27.2)
-
Step 300
300
#FFA59B
oklch(80.9% 0.108 26.6)
-
Step 400
400
#FA6F63
oklch(70.8% 0.173 27.3)
-
Step 500
500
#F23A36
oklch(63.2% 0.22 27.2)
-
Step 600
600
#D90016
oklch(55.7% 0.227 27.2)
-
Step 700
700
#B70011
oklch(49% 0.2 27.1)
-
Step 800
800
#98000C
oklch(42.7% 0.174 27.2)
-
Step 900
900
#7D0D0F
oklch(37.8% 0.144 27.2)
-
Step 950
950 (this color)
#581B17
oklch(31.9% 0.091 27.2)
#581B17 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) | #2B2716 | 0.097 |
| Deuteranopia (no green cones) | #3B3515 | 0.089 |
| Tritanopia (no blue cones) | #610C1B | 0.030 |
| Achromatopsia (no color) | #303030 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #581B17
#581B17
oklch(31.9% 0.091 27.2)
- #003A41
#003A41
oklch(31.9% 0.055 208)
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 #581B17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.044
- Burgundy #610023 ΔE 0.048
- Reddy Brown #6E1005 ΔE 0.049
- Chocolate Brown #411900 ΔE 0.061
- Mahogany #4A0100 ΔE 0.062
- Blood #770001 ΔE 0.068
- Chestnut #742802 ΔE 0.076
- Wine Red #7B0323 ΔE 0.079
Use #581B17 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.