#591F10
Closest named color: Reddy Brown (#6E1005). oklch(32.5% 0.09 35.5), rgb(89, 31, 16).
Aa
White text reads best on this color (12.89:1).
About this color
#591F10 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.090 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.046 away. White text reads best on it, at 12.89:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.62:1 |
| White text | 12.89:1 |
Values
| HEX | #591F10 |
| RGB | rgb(89, 31, 16) |
| HSL | hsl(12, 70%, 21%) |
| OKLCH | oklch(32.5% 0.09 35.5) |
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 #591F10 | 12.89:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #591F10 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #591F10 text on white | 12.89:1 | AAA | Lc 98.5 | Preferred for body text |
| #591F10 text on black | 1.62:1 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#F1D1C9
oklch(88.5% 0.038 34.3)
-
Step 300
300
#E8B2A3
oklch(80.9% 0.067 36.1)
-
Step 400
400
#DB8872
oklch(70.8% 0.107 35.6)
-
Step 500
500
#CE674C
oklch(63% 0.137 35.7)
-
Step 600
600
#BA4C2F
oklch(55.7% 0.149 35.7)
-
Step 700
700
#A03C22
oklch(49.2% 0.139 35.5)
-
Step 800
800
#82321E
oklch(42.7% 0.115 35.2)
-
Step 900
900 (this color)
#591F10
oklch(32.5% 0.09 35.5)
-
Step 950
950
#3E1B12
oklch(27.1% 0.057 35.5)
#591F10 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) | #2F2A0E | 0.091 |
| Deuteranopia (no green cones) | #3D360E | 0.083 |
| Tritanopia (no blue cones) | #62111C | 0.037 |
| Achromatopsia (no color) | #323232 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #591F10
#591F10
oklch(32.5% 0.09 35.5)
- #003B47
#003B47
oklch(32.5% 0.058 216.5)
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 #591F10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.046
- Claret #680018 ΔE 0.052
- Burgundy #610023 ΔE 0.061
- Chocolate Brown #411900 ΔE 0.061
- Blood #770001 ΔE 0.067
- Chestnut #742802 ΔE 0.067
- Mahogany #4A0100 ΔE 0.070
- Wine Red #7B0323 ΔE 0.082
Use #591F10 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.