#5B421F
Closest named color: Mud Brown (#60460F). oklch(39.9% 0.061 73.7), rgb(91, 66, 31).
Aa
White text reads best on this color (9.35:1).
About this color
#5B421F is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.061 and its hue 74°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.023 away. White text reads best on it, at 9.35:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.24:1 |
| White text | 9.35:1 |
Values
| HEX | #5B421F |
| RGB | rgb(91, 66, 31) |
| HSL | hsl(35, 49%, 24%) |
| OKLCH | oklch(39.9% 0.061 73.7) |
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 #5B421F | 9.35:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #5B421F | 2.24:1 | Fails | Lc 12.4 | Not readable |
| #5B421F text on white | 9.35:1 | AAA | Lc 91.5 | Preferred for body text |
| #5B421F text on black | 2.24:1 | Fails | Lc -10.8 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E0
oklch(93.6% 0.014 78.3)
-
Step 200
200
#E4D7C7
oklch(88.5% 0.026 73.2)
-
Step 300
300
#D3BDA1
oklch(81% 0.046 73.8)
-
Step 400
400
#BC9A6D
oklch(70.7% 0.073 74)
-
Step 500
500
#AB8045
oklch(63% 0.093 73.4)
-
Step 600
600
#976924
oklch(55.6% 0.102 73.3)
-
Step 700
700
#805716
oklch(49% 0.094 73.6)
-
Step 800
800
#684816
oklch(42.7% 0.078 74.5)
-
Step 900
900 (this color)
#5B421F
oklch(39.9% 0.061 73.7)
-
Step 950
950
#322310
oklch(26.9% 0.038 71.5)
#5B421F 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) | #4B431C | 0.030 |
| Deuteranopia (no green cones) | #514920 | 0.026 |
| Tritanopia (no blue cones) | #633C3A | 0.050 |
| Achromatopsia (no color) | #474747 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B421F
#5B421F
oklch(39.9% 0.061 73.7)
- #2F4968
#2F4968
oklch(39.9% 0.062 253.5)
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 #5B421F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.023
- Green Brown #544E03 ΔE 0.050
- Purple Brown #673A3F ΔE 0.063
- Olive Brown #645403 ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.072
- Chestnut #742802 ΔE 0.073
- Dark Olive #373E02 ΔE 0.075
- Milk Chocolate #7F4E1E ΔE 0.080
Use #5B421F 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.