#59310F
Closest named color: Chestnut (#742802). oklch(35.7% 0.074 57), rgb(89, 49, 15).
Aa
White text reads best on this color (11.22:1).
About this color
#59310F is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.074 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.056 away. White text reads best on it, at 11.22:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.87:1 |
| White text | 11.22:1 |
Values
| HEX | #59310F |
| RGB | rgb(89, 49, 15) |
| HSL | hsl(28, 71%, 20%) |
| OKLCH | oklch(35.7% 0.074 57) |
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 #59310F | 11.22:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #59310F | 1.87:1 | Fails | Lc 8.3 | Not readable |
| #59310F text on white | 11.22:1 | AAA | Lc 95.6 | Preferred for body text |
| #59310F text on black | 1.87:1 | 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
#F3E7E0
oklch(93.6% 0.016 52.6)
-
Step 200
200
#EAD5C6
oklch(88.6% 0.031 57.9)
-
Step 300
300
#DDB89E
oklch(80.8% 0.056 56.9)
-
Step 400
400
#CB9269
oklch(70.6% 0.089 56.5)
-
Step 500
500
#BD763F
oklch(63.1% 0.114 56.5)
-
Step 600
600
#A85D1A
oklch(55.5% 0.124 56.6)
-
Step 700
700
#904D09
oklch(49.2% 0.115 57.3)
-
Step 800
800
#753F0E
oklch(42.7% 0.095 56.8)
-
Step 900
900 (this color)
#59310F
oklch(35.7% 0.074 57)
-
Step 950
950
#38200E
oklch(27.1% 0.047 56)
#59310F 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) | #3D350A | 0.057 |
| Deuteranopia (no green cones) | #463E0F | 0.051 |
| Tritanopia (no blue cones) | #62282A | 0.051 |
| Achromatopsia (no color) | #3B3B3B | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59310F
#59310F
oklch(35.7% 0.074 57)
- #07415E
#07415E
oklch(35.6% 0.074 237.5)
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 #59310F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.056
- Mud Brown #60460F ΔE 0.063
- Purple Brown #673A3F ΔE 0.071
- Reddy Brown #6E1005 ΔE 0.071
- Dark Olive #373E02 ΔE 0.077
- Charcoal Grey #3C4142 ΔE 0.081
- Onyx #343A40 ΔE 0.088
- Blood #770001 ΔE 0.088
Use #59310F 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.