#582A09
Closest named color: Chestnut (#742802). oklch(34.2% 0.08 51.2), rgb(88, 42, 9).
Aa
White text reads best on this color (11.99:1).
About this color
#582A09 is a dark, moderately saturated brown. In OKLCH its lightness is 34%, its chroma 0.080 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.059 away. White text reads best on it, at 11.99:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.75:1 |
| White text | 11.99:1 |
Values
| HEX | #582A09 |
| RGB | rgb(88, 42, 9) |
| HSL | hsl(25, 81%, 19%) |
| OKLCH | oklch(34.2% 0.08 51.2) |
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 #582A09 | 11.99:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #582A09 | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #582A09 text on white | 11.99:1 | AAA | Lc 97.1 | Preferred for body text |
| #582A09 text on black | 1.75:1 | 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
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#ECD3C6
oklch(88.4% 0.033 49.3)
-
Step 300
300
#E1B69E
oklch(80.8% 0.06 50.7)
-
Step 400
400
#D18F68
oklch(70.7% 0.097 51.2)
-
Step 500
500
#C3723D
oklch(63.1% 0.123 51.9)
-
Step 600
600
#AF5818
oklch(55.6% 0.134 51.1)
-
Step 700
700
#964807
oklch(49.2% 0.124 51.5)
-
Step 800
800
#7A3B0D
oklch(42.7% 0.103 50.8)
-
Step 900
900 (this color)
#582A09
oklch(34.2% 0.08 51.2)
-
Step 950
950
#3A1E0D
oklch(26.9% 0.052 50.3)
#582A09 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) | #373005 | 0.069 |
| Deuteranopia (no green cones) | #423B08 | 0.064 |
| Tritanopia (no blue cones) | #612024 | 0.049 |
| Achromatopsia (no color) | #363636 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582A09
#582A09
oklch(34.2% 0.08 51.2)
- #003E56
#003E56
oklch(34.2% 0.07 231.9)
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 #582A09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.059
- Reddy Brown #6E1005 ΔE 0.061
- Chocolate Brown #411900 ΔE 0.073
- Claret #680018 ΔE 0.078
- Blood #770001 ΔE 0.080
- Purple Brown #673A3F ΔE 0.080
- Mud Brown #60460F ΔE 0.082
- Dark Olive #373E02 ΔE 0.086
Use #582A09 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.