#57581E
Closest named color: Olive Brown (#645403). oklch(44.7% 0.079 110.1), rgb(87, 88, 30).
Aa
White text reads best on this color (7.44:1).
About this color
#57581E is a dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.079 and its hue 110°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.024 away. White text reads best on it, at 7.44:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.81:1 |
| White text | 7.44:1 |
Values
| HEX | #57581E |
| RGB | rgb(87, 88, 30) |
| HSL | hsl(61, 49%, 23%) |
| OKLCH | oklch(44.7% 0.079 110.1) |
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 #57581E | 7.44:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #57581E | 2.81:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #57581E text on white | 7.44:1 | AAA | Lc 85.8 | Fine for body text |
| #57581E text on black | 2.81:1 | Fails | Lc -16.2 | Dividers and decoration only |
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 800.
-
Step 50
50
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#EAEBE1
oklch(93.7% 0.013 111.3)
-
Step 200
200
#DADBC8
oklch(88.5% 0.026 109.4)
-
Step 300
300
#C2C4A2
oklch(81% 0.046 110.2)
-
Step 400
400
#A3A56F
oklch(70.7% 0.073 109.9)
-
Step 500
500
#8D8F47
oklch(63.2% 0.095 110.3)
-
Step 600
600
#777827
oklch(55.5% 0.102 110)
-
Step 700
700
#646519
oklch(49.1% 0.095 110.2)
-
Step 800
800 (this color)
#57581E
oklch(44.7% 0.079 110.1)
-
Step 900
900
#43441A
oklch(37.6% 0.062 110.3)
-
Step 950
950
#272810
oklch(26.9% 0.04 110.9)
#57581E 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) | #5F5417 | 0.016 |
| Deuteranopia (no green cones) | #605622 | 0.017 |
| Tritanopia (no blue cones) | #5D524C | 0.072 |
| Achromatopsia (no color) | #555555 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57581E
#57581E
oklch(44.7% 0.079 110.1)
- #544C7D
#544C7D
oklch(44.6% 0.079 290.3)
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 #57581E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.024
- Army Green #4B5D16 ΔE 0.026
- Green Brown #544E03 ΔE 0.032
- Camouflage Green #4B6113 ΔE 0.036
- Camo Green #526525 ΔE 0.038
- Greeny Brown #696006 ΔE 0.043
- Mud #735C12 ΔE 0.050
- Mud Green #606602 ΔE 0.052
Use #57581E 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.