#591E18
Closest named color: Reddy Brown (#6E1005). oklch(32.5% 0.089 28.7), rgb(89, 30, 24).
Aa
White text reads best on this color (12.93:1).
About this color
#591E18 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.089 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.047 away. White text reads best on it, at 12.93:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.62:1 |
| White text | 12.93:1 |
Values
| HEX | #591E18 |
| RGB | rgb(89, 30, 24) |
| HSL | hsl(6, 58%, 22%) |
| OKLCH | oklch(32.5% 0.089 28.7) |
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 #591E18 | 12.93:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #591E18 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #591E18 text on white | 12.93:1 | AAA | Lc 98.5 | Preferred for body text |
| #591E18 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F7E5E3
oklch(93.6% 0.02 25.2)
-
Step 200
200
#F1D1CB
oklch(88.6% 0.037 30.4)
-
Step 300
300
#E9B1A8
oklch(80.9% 0.067 29)
-
Step 400
400
#DB867A
oklch(70.6% 0.107 28.7)
-
Step 500
500
#CF6559
oklch(63.1% 0.137 28.2)
-
Step 600
600
#BA4A3E
oklch(55.6% 0.147 28.8)
-
Step 700
700
#A03A30
oklch(49.1% 0.138 28.7)
-
Step 800
800
#823129
oklch(42.7% 0.114 28.4)
-
Step 900
900 (this color)
#591E18
oklch(32.5% 0.089 28.7)
-
Step 950
950
#3E1B16
oklch(27.2% 0.056 29.6)
#591E18 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) | #2E2917 | 0.092 |
| Deuteranopia (no green cones) | #3C3616 | 0.086 |
| Tritanopia (no blue cones) | #62111D | 0.030 |
| Achromatopsia (no color) | #313131 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #591E18
#591E18
oklch(32.5% 0.089 28.7)
- #003C43
#003C43
oklch(32.6% 0.056 207.7)
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 #591E18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.047
- Claret #680018 ΔE 0.047
- Burgundy #610023 ΔE 0.052
- Chocolate Brown #411900 ΔE 0.064
- Blood #770001 ΔE 0.067
- Mahogany #4A0100 ΔE 0.069
- Chestnut #742802 ΔE 0.071
- Wine Red #7B0323 ΔE 0.078
Use #591E18 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.