#5B4243
Closest named color: Purple Brown (#673A3F). oklch(40.7% 0.035 16), rgb(91, 66, 67).
Aa
White text reads best on this color (9.10:1).
About this color
#5B4243 is a dark, muted red. In OKLCH its lightness is 41%, its chroma 0.035 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.029 away. White text reads best on it, at 9.10:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | muted (0.035) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.30:1 |
| White text | 9.10:1 |
Values
| HEX | #5B4243 |
| RGB | rgb(91, 66, 67) |
| HSL | hsl(358, 16%, 31%) |
| OKLCH | oklch(40.7% 0.035 16) |
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 #5B4243 | 9.10:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #5B4243 | 2.30:1 | Fails | Lc 13.0 | Not readable |
| #5B4243 text on white | 9.10:1 | AAA | Lc 90.9 | Preferred for body text |
| #5B4243 text on black | 2.30:1 | Fails | Lc -11.4 | 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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EEE8E8
oklch(93.6% 0.007 17.3)
-
Step 200
200
#E0D6D6
oklch(88.4% 0.011 17.4)
-
Step 300
300
#CDBCBC
oklch(80.9% 0.019 17.6)
-
Step 400
400
#B4999A
oklch(70.7% 0.032 15.4)
-
Step 500
500
#A18081
oklch(63.1% 0.041 16.3)
-
Step 600
600
#8C696A
oklch(55.6% 0.045 16.7)
-
Step 700
700
#775758
oklch(49.1% 0.043 16.6)
-
Step 800
800 (this color)
#5B4243
oklch(40.7% 0.035 16)
-
Step 900
900
#4F3C3D
oklch(37.7% 0.027 14.9)
-
Step 950
950
#2E2324
oklch(26.9% 0.017 12.1)
#5B4243 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) | #464643 | 0.038 |
| Deuteranopia (no green cones) | #4C4A43 | 0.034 |
| Tritanopia (no blue cones) | #604042 | 0.010 |
| Achromatopsia (no color) | #484848 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4243
#5B4243
oklch(40.7% 0.035 16)
- #325050
#325050
oklch(40.8% 0.036 195.8)
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 #5B4243, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.029
- Charcoal Grey #3C4142 ΔE 0.055
- Brownish Purple #76424E ΔE 0.055
- Mud Brown #60460F ΔE 0.070
- Dark Slate Gray #2F4F4F ΔE 0.073
- Onyx #343A40 ΔE 0.076
- Charcoal #264653 ΔE 0.082
- Dark Grey Blue #29465B ΔE 0.083
Use #5B4243 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.