#5B1F04
Closest named color: Reddy Brown (#6E1005). oklch(32.8% 0.095 41.3), rgb(91, 31, 4).
Aa
White text reads best on this color (12.78:1).
About this color
#5B1F04 is a dark, moderately saturated brown. In OKLCH its lightness is 33%, its chroma 0.095 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.044 away. White text reads best on it, at 12.78:1.
| Hue family | Browns |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.64:1 |
| White text | 12.78:1 |
Values
| HEX | #5B1F04 |
| RGB | rgb(91, 31, 4) |
| HSL | hsl(19, 92%, 19%) |
| OKLCH | oklch(32.8% 0.095 41.3) |
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 #5B1F04 | 12.78:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #5B1F04 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #5B1F04 text on white | 12.78:1 | AAA | Lc 98.2 | Preferred for body text |
| #5B1F04 text on black | 1.64:1 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F1D1C5
oklch(88.4% 0.04 41.7)
-
Step 300
300
#EAB29D
oklch(81% 0.072 41.5)
-
Step 400
400
#DD8767
oklch(70.7% 0.115 41.1)
-
Step 500
500
#D1663C
oklch(63.1% 0.147 41.2)
-
Step 600
600
#BC4A16
oklch(55.5% 0.159 41.2)
-
Step 700
700
#A23B05
oklch(49.2% 0.147 41.4)
-
Step 800
800
#83310B
oklch(42.6% 0.122 41.3)
-
Step 900
900 (this color)
#5B1F04
oklch(32.8% 0.095 41.3)
-
Step 950
950
#3E1B0D
oklch(27% 0.06 41.7)
#5B1F04 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) | #302A01 | 0.094 |
| Deuteranopia (no green cones) | #3F3702 | 0.084 |
| Tritanopia (no blue cones) | #650F1A | 0.045 |
| Achromatopsia (no color) | #323232 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1F04
#5B1F04
oklch(32.8% 0.095 41.3)
- #003B4B
#003B4B
oklch(32.7% 0.061 222.7)
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 #5B1F04, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.044
- Claret #680018 ΔE 0.057
- Chestnut #742802 ΔE 0.062
- Chocolate Brown #411900 ΔE 0.064
- Blood #770001 ΔE 0.065
- Burgundy #610023 ΔE 0.068
- Mahogany #4A0100 ΔE 0.073
- Maroon #800000 ΔE 0.081
Use #5B1F04 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.