#5D180B
Closest named color: Reddy Brown (#6E1005). oklch(32.3% 0.103 32.8), rgb(93, 24, 11).
Aa
White text reads best on this color (13.11:1).
About this color
#5D180B is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.103 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.037 away. White text reads best on it, at 13.11:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.60:1 |
| White text | 13.11:1 |
Values
| HEX | #5D180B |
| RGB | rgb(93, 24, 11) |
| HSL | hsl(10, 79%, 20%) |
| OKLCH | oklch(32.3% 0.103 32.8) |
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 #5D180B | 13.11:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #5D180B | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #5D180B text on white | 13.11:1 | AAA | Lc 98.5 | Preferred for body text |
| #5D180B 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
#FFE3DC
oklch(93.7% 0.032 34.3)
-
Step 200
200
#FFCBC0
oklch(88.5% 0.061 32.1)
-
Step 300
300
#FFA693
oklch(80.9% 0.11 32.7)
-
Step 400
400
#FF6B4E
oklch(70.7% 0.187 32.9)
-
Step 500
500
#F73200
oklch(63.2% 0.235 32.7)
-
Step 600
600
#D02900
oklch(55.5% 0.206 32.8)
-
Step 700
700
#B02100
oklch(49% 0.182 32.8)
-
Step 800
800
#921900
oklch(42.7% 0.159 32.7)
-
Step 900
900
#7B1400
oklch(37.7% 0.14 32.8)
-
Step 950
950 (this color)
#5D180B
oklch(32.3% 0.103 32.8)
#5D180B 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) | #2C2709 | 0.108 |
| Deuteranopia (no green cones) | #3D3608 | 0.098 |
| Tritanopia (no blue cones) | #670116 | 0.038 |
| Achromatopsia (no color) | #303030 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D180B
#5D180B
oklch(32.3% 0.103 32.8)
- #003B44
#003B44
oklch(32.3% 0.056 211.4)
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 #5D180B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.037
- Claret #680018 ΔE 0.041
- Burgundy #610023 ΔE 0.052
- Blood #770001 ΔE 0.057
- Mahogany #4A0100 ΔE 0.065
- Chocolate Brown #411900 ΔE 0.066
- Chestnut #742802 ΔE 0.067
- Wine Red #7B0323 ΔE 0.074
Use #5D180B 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.