#591D11
Closest named color: Reddy Brown (#6E1005). oklch(32.2% 0.091 33.2), rgb(89, 29, 17).
Aa
White text reads best on this color (13.05:1).
About this color
#591D11 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.091 and its hue 33°. 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 13.05:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.60:1 |
| White text | 13.05:1 |
Values
| HEX | #591D11 |
| RGB | rgb(89, 29, 17) |
| HSL | hsl(10, 68%, 21%) |
| OKLCH | oklch(32.2% 0.091 33.2) |
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 #591D11 | 13.05:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #591D11 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #591D11 text on white | 13.05:1 | AAA | Lc 98.7 | Preferred for body text |
| #591D11 text on black | 1.60:1 | 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 950.
-
Step 50
50
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FEE3DD
oklch(93.6% 0.031 32.6)
-
Step 200
200
#FECCC0
oklch(88.6% 0.059 33.8)
-
Step 300
300
#FEA793
oklch(80.9% 0.108 33.6)
-
Step 400
400
#F97155
oklch(70.7% 0.173 33.2)
-
Step 500
500
#F23D15
oklch(63.2% 0.222 33.2)
-
Step 600
600
#D02B00
oklch(55.7% 0.205 33.2)
-
Step 700
700
#B02300
oklch(49.2% 0.18 33.2)
-
Step 800
800
#911B00
oklch(42.6% 0.157 33.2)
-
Step 900
900
#7A1500
oklch(37.6% 0.138 33.2)
-
Step 950
950 (this color)
#591D11
oklch(32.2% 0.091 33.2)
#591D11 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) | #2E280F | 0.093 |
| Deuteranopia (no green cones) | #3D360F | 0.086 |
| Tritanopia (no blue cones) | #630E1B | 0.036 |
| Achromatopsia (no color) | #313131 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #591D11
#591D11
oklch(32.2% 0.091 33.2)
- #003B45
#003B45
oklch(32.4% 0.057 213.1)
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 #591D11, 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 0.049
- Burgundy #610023 ΔE 0.056
- Chocolate Brown #411900 ΔE 0.061
- Blood #770001 ΔE 0.066
- Mahogany #4A0100 ΔE 0.066
- Chestnut #742802 ΔE 0.070
- Wine Red #7B0323 ΔE 0.081
Use #591D11 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.