#5B423D
Closest named color: Purple Brown (#673A3F). oklch(40.5% 0.036 31.5), rgb(91, 66, 61).
Aa
White text reads best on this color (9.16:1).
About this color
#5B423D is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.036 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.032 away. White text reads best on it, at 9.16:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.036) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.29:1 |
| White text | 9.16:1 |
Values
| HEX | #5B423D |
| RGB | rgb(91, 66, 61) |
| HSL | hsl(10, 20%, 30%) |
| OKLCH | oklch(40.5% 0.036 31.5) |
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 #5B423D | 9.16:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #5B423D | 2.29:1 | Fails | Lc 12.9 | Not readable |
| #5B423D text on white | 9.16:1 | AAA | Lc 91.1 | Preferred for body text |
| #5B423D text on black | 2.29:1 | Fails | Lc -11.3 | 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 800.
-
Step 50
50
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EEE8E7
oklch(93.5% 0.007 28.8)
-
Step 200
200
#E1D6D4
oklch(88.4% 0.012 29.9)
-
Step 300
300
#CEBCB8
oklch(80.9% 0.021 32.5)
-
Step 400
400
#B59994
oklch(70.7% 0.034 29.9)
-
Step 500
500
#A2807A
oklch(63.1% 0.043 29.9)
-
Step 600
600
#8D6A62
oklch(55.7% 0.047 33.2)
-
Step 700
700
#785851
oklch(49.2% 0.044 32.6)
-
Step 800
800 (this color)
#5B423D
oklch(40.5% 0.036 31.5)
-
Step 900
900
#503C38
oklch(37.7% 0.029 31.4)
-
Step 950
950
#2F2321
oklch(27% 0.019 29.3)
#5B423D 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) | #47453D | 0.036 |
| Deuteranopia (no green cones) | #4D4A3D | 0.033 |
| Tritanopia (no blue cones) | #613F41 | 0.017 |
| Achromatopsia (no color) | #484848 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B423D
#5B423D
oklch(40.5% 0.036 31.5)
- #314E54
#314E54
oklch(40.3% 0.036 212.1)
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 #5B423D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.032
- Charcoal Grey #3C4142 ΔE 0.055
- Brownish Purple #76424E ΔE 0.060
- Mud Brown #60460F ΔE 0.061
- Dark Slate Gray #2F4F4F ΔE 0.073
- Onyx #343A40 ΔE 0.076
- Chestnut #742802 ΔE 0.083
- Green Brown #544E03 ΔE 0.084
Use #5B423D 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.