#581D0D
Closest named color: Reddy Brown (#6E1005). oklch(32% 0.091 35.9), rgb(88, 29, 13).
Aa
White text reads best on this color (13.15:1).
About this color
#581D0D is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.091 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.048 away. White text reads best on it, at 13.15:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.59:1 |
| White text | 13.15:1 |
Values
| HEX | #581D0D |
| RGB | rgb(88, 29, 13) |
| HSL | hsl(13, 74%, 20%) |
| OKLCH | oklch(32% 0.091 35.9) |
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 #581D0D | 13.15:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #581D0D | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #581D0D text on white | 13.15:1 | AAA | Lc 98.8 | Preferred for body text |
| #581D0D text on black | 1.59:1 | 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
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FEE3DC
oklch(93.6% 0.031 34.9)
-
Step 200
200
#FECCBE
oklch(88.5% 0.06 36.2)
-
Step 300
300
#FEA790
oklch(80.9% 0.109 35.5)
-
Step 400
400
#F8724E
oklch(70.6% 0.173 36)
-
Step 500
500
#EF4200
oklch(63% 0.217 35.8)
-
Step 600
600
#CA3700
oklch(55.6% 0.191 36)
-
Step 700
700
#AB2D00
oklch(49.1% 0.169 35.9)
-
Step 800
800
#8D2300
oklch(42.6% 0.147 35.8)
-
Step 900
900
#771C00
oklch(37.7% 0.13 35.8)
-
Step 950
950 (this color)
#581D0D
oklch(32% 0.091 35.9)
#581D0D 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) | #2E280B | 0.092 |
| Deuteranopia (no green cones) | #3C350B | 0.084 |
| Tritanopia (no blue cones) | #620E1A | 0.038 |
| Achromatopsia (no color) | #303030 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #581D0D
#581D0D
oklch(32% 0.091 35.9)
- #003A45
#003A45
oklch(32.1% 0.057 215.1)
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 #581D0D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.048
- Claret #680018 ΔE 0.052
- Chocolate Brown #411900 ΔE 0.057
- Burgundy #610023 ΔE 0.060
- Mahogany #4A0100 ΔE 0.064
- Blood #770001 ΔE 0.068
- Chestnut #742802 ΔE 0.071
- Deep Brown #410200 ΔE 0.083
Use #581D0D 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.