#581F00
Closest named color: Reddy Brown (#6E1005). oklch(32.2% 0.093 44.3), rgb(88, 31, 0).
Aa
White text reads best on this color (13.03:1).
About this color
#581F00 is a dark, moderately saturated brown. In OKLCH its lightness is 32%, its chroma 0.093 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.051 away. White text reads best on it, at 13.03:1.
| Hue family | Browns |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.61:1 |
| White text | 13.03:1 |
Values
| HEX | #581F00 |
| RGB | rgb(88, 31, 0) |
| HSL | hsl(21, 100%, 17%) |
| OKLCH | oklch(32.2% 0.093 44.3) |
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 #581F00 | 13.03:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #581F00 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #581F00 text on white | 13.03:1 | AAA | Lc 98.6 | Preferred for body text |
| #581F00 text on black | 1.61:1 | 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
#FFF3EE
oklch(97.2% 0.015 44.2)
-
Step 100
100
#FDE4D9
oklch(93.6% 0.031 45.3)
-
Step 200
200
#FDCDB9
oklch(88.5% 0.061 43.8)
-
Step 300
300
#FDA985
oklch(80.9% 0.111 43.9)
-
Step 400
400
#F77534
oklch(70.7% 0.177 44.3)
-
Step 500
500
#DF5A00
oklch(63.1% 0.183 44.1)
-
Step 600
600
#BC4B00
oklch(55.6% 0.161 44.3)
-
Step 700
700
#9F3E00
oklch(49.1% 0.142 44.2)
-
Step 800
800
#833200
oklch(42.7% 0.123 44.4)
-
Step 900
900
#6E2900
oklch(37.7% 0.109 44.5)
-
Step 950
950 (this color)
#581F00
oklch(32.2% 0.093 44.3)
#581F00 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) | #302900 | 0.087 |
| Deuteranopia (no green cones) | #3E3600 | 0.079 |
| Tritanopia (no blue cones) | #621019 | 0.047 |
| Achromatopsia (no color) | #313131 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #581F00
#581F00
oklch(32.2% 0.093 44.3)
- #00394A
#00394A
oklch(32% 0.061 224.8)
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 #581F00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.051
- Chocolate Brown #411900 ΔE 0.057
- Claret #680018 ΔE 0.062
- Chestnut #742802 ΔE 0.068
- Mahogany #4A0100 ΔE 0.070
- Blood #770001 ΔE 0.071
- Burgundy #610023 ΔE 0.073
- Dark Brown #341C02 ΔE 0.083
Use #581F00 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.