#5A372F
Closest named color: Purple Brown (#673A3F). oklch(37.7% 0.052 33.5), rgb(90, 55, 47).
Aa
White text reads best on this color (10.38:1).
About this color
#5A372F is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.052 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.037 away. White text reads best on it, at 10.38:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.02:1 |
| White text | 10.38:1 |
Values
| HEX | #5A372F |
| RGB | rgb(90, 55, 47) |
| HSL | hsl(11, 31%, 27%) |
| OKLCH | oklch(37.7% 0.052 33.5) |
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 #5A372F | 10.38:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #5A372F | 2.02:1 | Fails | Lc 10.0 | Not readable |
| #5A372F text on white | 10.38:1 | AAA | Lc 94.0 | Preferred for body text |
| #5A372F text on black | 2.02:1 | Fails | Lc -8.6 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F1E7E5
oklch(93.5% 0.011 31.1)
-
Step 200
200
#E7D4D0
oklch(88.4% 0.022 31.8)
-
Step 300
300
#D9B8B0
oklch(80.9% 0.04 33.9)
-
Step 400
400
#C59387
oklch(70.8% 0.063 33.9)
-
Step 500
500
#B57869
oklch(63.2% 0.08 34.4)
-
Step 600
600
#A06051
oklch(55.7% 0.087 34)
-
Step 700
700
#894F42
oklch(49.2% 0.081 33.5)
-
Step 800
800
#6F4136
oklch(42.7% 0.067 34.3)
-
Step 900
900 (this color)
#5A372F
oklch(37.7% 0.052 33.5)
-
Step 950
950
#35201C
oklch(26.9% 0.034 31.2)
#5A372F 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) | #3F3C2E | 0.052 |
| Deuteranopia (no green cones) | #48432F | 0.047 |
| Tritanopia (no blue cones) | #613235 | 0.023 |
| Achromatopsia (no color) | #404040 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A372F
#5A372F
oklch(37.7% 0.052 33.5)
- #1A4952
#1A4952
oklch(37.7% 0.052 212.3)
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 #5A372F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.060
- Chestnut #742802 ΔE 0.065
- Mud Brown #60460F ΔE 0.067
- Onyx #343A40 ΔE 0.071
- Brownish Purple #76424E ΔE 0.078
- Reddy Brown #6E1005 ΔE 0.082
- Dark Slate Gray #2F4F4F ΔE 0.093
Use #5A372F 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.