#5B1401
Closest named color: Reddy Brown (#6E1005). oklch(31.3% 0.106 35.7), rgb(91, 20, 1).
Aa
White text reads best on this color (13.58:1).
About this color
#5B1401 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.106 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.043 away. White text reads best on it, at 13.58:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.54:1 |
| White text | 13.58:1 |
Values
| HEX | #5B1401 |
| RGB | rgb(91, 20, 1) |
| HSL | hsl(13, 98%, 18%) |
| OKLCH | oklch(31.3% 0.106 35.7) |
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 #5B1401 | 13.58:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #5B1401 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #5B1401 text on white | 13.58:1 | AAA | Lc 99.1 | Preferred for body text |
| #5B1401 text on black | 1.54:1 | 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
#FFE3DB
oklch(93.7% 0.033 36.5)
-
Step 200
200
#FFCBBD
oklch(88.4% 0.063 35.5)
-
Step 300
300
#FFA78F
oklch(81% 0.11 36)
-
Step 400
400
#FF6C45
oklch(70.7% 0.188 35.8)
-
Step 500
500
#F04200
oklch(63.2% 0.218 35.7)
-
Step 600
600
#CA3600
oklch(55.5% 0.191 35.7)
-
Step 700
700
#AB2C00
oklch(49% 0.169 35.7)
-
Step 800
800
#8E2300
oklch(42.8% 0.148 35.7)
-
Step 900
900
#771C00
oklch(37.7% 0.13 35.8)
-
Step 950
950 (this color)
#5B1401
oklch(31.3% 0.106 35.7)
#5B1401 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) | #2A2400 | 0.110 |
| Deuteranopia (no green cones) | #3B3400 | 0.100 |
| Tritanopia (no blue cones) | #650011 | 0.036 |
| Achromatopsia (no color) | #2E2E2E | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1401
#5B1401
oklch(31.3% 0.106 35.7)
- #003843
#003843
oklch(31.4% 0.056 215.6)
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 #5B1401, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.043
- Claret #680018 ΔE 0.045
- Burgundy #610023 ΔE 0.056
- Mahogany #4A0100 ΔE 0.056
- Chocolate Brown #411900 ΔE 0.059
- Blood #770001 ΔE 0.062
- Chestnut #742802 ΔE 0.075
- Deep Brown #410200 ΔE 0.076
Use #5B1401 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.