#591C0C
Closest named color: Reddy Brown (#6E1005). oklch(32% 0.094 35.5), rgb(89, 28, 12).
Aa
White text reads best on this color (13.15:1).
About this color
#591C0C is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.094 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 13.15:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.59:1 |
| White text | 13.15:1 |
Values
| HEX | #591C0C |
| RGB | rgb(89, 28, 12) |
| HSL | hsl(12, 76%, 20%) |
| OKLCH | oklch(32% 0.094 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 #591C0C | 13.15:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #591C0C | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #591C0C text on white | 13.15:1 | AAA | Lc 98.8 | Preferred for body text |
| #591C0C text on black | 1.59:1 | 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
#FEE3DC
oklch(93.6% 0.031 34.9)
-
Step 200
200
#FFCBBE
oklch(88.4% 0.062 34.4)
-
Step 300
300
#FFA78F
oklch(81% 0.11 36)
-
Step 400
400
#FB704C
oklch(70.8% 0.178 35.6)
-
Step 500
500
#F04100
oklch(63.1% 0.219 35.5)
-
Step 600
600
#CB3500
oklch(55.6% 0.193 35.4)
-
Step 700
700
#AC2C00
oklch(49.2% 0.17 35.6)
-
Step 800
800
#8E2200
oklch(42.7% 0.148 35.4)
-
Step 900
900
#771B00
oklch(37.6% 0.131 35.4)
-
Step 950
950 (this color)
#591C0C
oklch(32% 0.094 35.5)
#591C0C 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) | #2D280A | 0.096 |
| Deuteranopia (no green cones) | #3C3509 | 0.087 |
| Tritanopia (no blue cones) | #630C19 | 0.038 |
| Achromatopsia (no color) | #303030 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #591C0C
#591C0C
oklch(32% 0.094 35.5)
- #003A45
#003A45
oklch(32.1% 0.057 215.1)
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 #591C0C, 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 0.050
- Burgundy #610023 ΔE 0.058
- Chocolate Brown #411900 ΔE 0.059
- Mahogany #4A0100 ΔE 0.064
- Blood #770001 ΔE 0.066
- Chestnut #742802 ΔE 0.070
- Deep Brown #410200 ΔE 0.083
Use #591C0C 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.