#582D18
Closest named color: Chestnut (#742802). oklch(34.9% 0.071 45.5), rgb(88, 45, 24).
Aa
White text reads best on this color (11.64:1).
About this color
#582D18 is a dark, moderately saturated brown. In OKLCH its lightness is 35%, its chroma 0.071 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.058 away. White text reads best on it, at 11.64:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.80:1 |
| White text | 11.64:1 |
Values
| HEX | #582D18 |
| RGB | rgb(88, 45, 24) |
| HSL | hsl(20, 57%, 22%) |
| OKLCH | oklch(34.9% 0.071 45.5) |
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 #582D18 | 11.64:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #582D18 | 1.80:1 | Fails | Lc 7.4 | Not readable |
| #582D18 text on white | 11.64:1 | AAA | Lc 96.5 | Preferred for body text |
| #582D18 text on black | 1.80:1 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F3E7E1
oklch(93.6% 0.015 48.6)
-
Step 200
200
#EBD4C9
oklch(88.6% 0.03 47.3)
-
Step 300
300
#DFB7A4
oklch(81% 0.053 46.8)
-
Step 400
400
#CE9074
oklch(70.8% 0.085 45.2)
-
Step 500
500
#BF734F
oklch(63.1% 0.109 45.6)
-
Step 600
600
#AB5A32
oklch(55.6% 0.119 45.5)
-
Step 700
700
#924925
oklch(49% 0.11 45.1)
-
Step 800
800
#773D20
oklch(42.8% 0.091 45.7)
-
Step 900
900 (this color)
#582D18
oklch(34.9% 0.071 45.5)
-
Step 950
950
#381F13
oklch(26.9% 0.044 46)
#582D18 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) | #393316 | 0.063 |
| Deuteranopia (no green cones) | #433C17 | 0.058 |
| Tritanopia (no blue cones) | #612528 | 0.039 |
| Achromatopsia (no color) | #383838 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582D18
#582D18
oklch(34.9% 0.071 45.5)
- #004154
#004154
oklch(34.9% 0.066 224.9)
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 #582D18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.058
- Reddy Brown #6E1005 ΔE 0.063
- Purple Brown #673A3F ΔE 0.068
- Mud Brown #60460F ΔE 0.078
- Claret #680018 ΔE 0.078
- Chocolate Brown #411900 ΔE 0.080
- Charcoal Grey #3C4142 ΔE 0.081
- Blood #770001 ΔE 0.082
Use #582D18 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.