#5A3337
Closest named color: Purple Brown (#673A3F). oklch(37.1% 0.057 13.6), rgb(90, 51, 55).
Aa
White text reads best on this color (10.69:1).
About this color
#5A3337 is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.057 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.035 away. White text reads best on it, at 10.69:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.96:1 |
| White text | 10.69:1 |
Values
| HEX | #5A3337 |
| RGB | rgb(90, 51, 55) |
| HSL | hsl(354, 28%, 28%) |
| OKLCH | oklch(37.1% 0.057 13.6) |
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 #5A3337 | 10.69:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #5A3337 | 1.96:1 | Fails | Lc 9.3 | Not readable |
| #5A3337 text on white | 10.69:1 | AAA | Lc 94.6 | Preferred for body text |
| #5A3337 text on black | 1.96:1 | Fails | Lc -8.0 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F2E7E7
oklch(93.7% 0.012 17.4)
-
Step 200
200
#E8D3D4
oklch(88.4% 0.023 14.3)
-
Step 300
300
#DBB6B8
oklch(80.9% 0.043 14.4)
-
Step 400
400
#C79094
oklch(70.8% 0.067 14.1)
-
Step 500
500
#B8737A
oklch(63.1% 0.088 13.3)
-
Step 600
600
#A35B63
oklch(55.6% 0.095 13.5)
-
Step 700
700
#8B4A52
oklch(49% 0.088 13)
-
Step 800
800
#713D43
oklch(42.6% 0.073 13.3)
-
Step 900
900 (this color)
#5A3337
oklch(37.1% 0.057 13.6)
-
Step 950
950
#361F21
oklch(27% 0.036 14.1)
#5A3337 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) | #3A3937 | 0.061 |
| Deuteranopia (no green cones) | #444136 | 0.057 |
| Tritanopia (no blue cones) | #612F35 | 0.016 |
| Achromatopsia (no color) | #3E3E3E | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A3337
#5A3337
oklch(37.1% 0.057 13.6)
- #104948
#104948
oklch(37% 0.056 193.3)
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 #5A3337, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.035
- Charcoal Grey #3C4142 ΔE 0.063
- Onyx #343A40 ΔE 0.070
- Chestnut #742802 ΔE 0.072
- Brownish Purple #76424E ΔE 0.077
- Reddy Brown #6E1005 ΔE 0.080
- Claret #680018 ΔE 0.087
- Mud Brown #60460F ΔE 0.087
Use #5A3337 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.