#581F15
Closest named color: Reddy Brown (#6E1005). oklch(32.4% 0.087 32), rgb(88, 31, 21).
Aa
White text reads best on this color (12.94:1).
About this color
#581F15 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.087 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.049 away. White text reads best on it, at 12.94:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.62:1 |
| White text | 12.94:1 |
Values
| HEX | #581F15 |
| RGB | rgb(88, 31, 21) |
| HSL | hsl(9, 61%, 21%) |
| OKLCH | oklch(32.4% 0.087 32) |
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 #581F15 | 12.94:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #581F15 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #581F15 text on white | 12.94:1 | AAA | Lc 98.6 | Preferred for body text |
| #581F15 text on black | 1.62:1 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#F0D1CA
oklch(88.5% 0.036 32.8)
-
Step 300
300
#E8B2A7
oklch(81% 0.065 31.6)
-
Step 400
400
#DA8877
oklch(70.8% 0.104 32.4)
-
Step 500
500
#CD6754
oklch(63% 0.133 32)
-
Step 600
600
#B84C39
oklch(55.5% 0.144 32)
-
Step 700
700
#9F3C2B
oklch(49.1% 0.135 31.9)
-
Step 800
800
#813325
oklch(42.8% 0.111 32.1)
-
Step 900
900 (this color)
#581F15
oklch(32.4% 0.087 32)
-
Step 950
950
#3D1B15
oklch(27% 0.055 31.3)
#581F15 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) | #2E2A14 | 0.090 |
| Deuteranopia (no green cones) | #3D3613 | 0.082 |
| Tritanopia (no blue cones) | #61121D | 0.033 |
| Achromatopsia (no color) | #313131 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #581F15
#581F15
oklch(32.4% 0.087 32)
- #003B45
#003B45
oklch(32.4% 0.057 213.1)
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 #581F15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.049
- Claret #680018 ΔE 0.051
- Burgundy #610023 ΔE 0.057
- Chocolate Brown #411900 ΔE 0.061
- Mahogany #4A0100 ΔE 0.069
- Blood #770001 ΔE 0.069
- Chestnut #742802 ΔE 0.070
- Wine Red #7B0323 ΔE 0.082
Use #581F15 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.