#4B372C
Closest named color: Charcoal Grey (#3C4142). oklch(35.6% 0.034 50.1), rgb(75, 55, 44).
Aa
White text reads best on this color (11.15:1).
About this color
#4B372C is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.034 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.043 away. White text reads best on it, at 11.15:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.88:1 |
| White text | 11.15:1 |
Values
| HEX | #4B372C |
| RGB | rgb(75, 55, 44) |
| HSL | hsl(21, 26%, 23%) |
| OKLCH | oklch(35.6% 0.034 50.1) |
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 #4B372C | 11.15:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #4B372C | 1.88:1 | Fails | Lc 8.1 | Not readable |
| #4B372C text on white | 11.15:1 | AAA | Lc 95.7 | Preferred for body text |
| #4B372C text on black | 1.88:1 | Fails | Lc 0.0 | 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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#EEE8E5
oklch(93.5% 0.008 48.7)
-
Step 200
200
#E1D7D1
oklch(88.5% 0.014 53.3)
-
Step 300
300
#CFBCB2
oklch(80.8% 0.026 49.7)
-
Step 400
400
#B79A8A
oklch(70.8% 0.042 50.6)
-
Step 500
500
#A4816D
oklch(63.1% 0.052 51.2)
-
Step 600
600
#8F6A55
oklch(55.6% 0.057 50.8)
-
Step 700
700
#7A5846
oklch(49.1% 0.053 49)
-
Step 800
800
#634839
oklch(42.7% 0.044 50.2)
-
Step 900
900 (this color)
#4B372C
oklch(35.6% 0.034 50.1)
-
Step 950
950
#2F231D
oklch(26.8% 0.021 47.9)
#4B372C 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) | #3C392B | 0.028 |
| Deuteranopia (no green cones) | #413D2C | 0.025 |
| Tritanopia (no blue cones) | #503434 | 0.021 |
| Achromatopsia (no color) | #3B3B3B | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B372C
#4B372C
oklch(35.6% 0.034 50.1)
- #29404B
#29404B
oklch(35.7% 0.034 229.5)
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 #4B372C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.043
- Onyx #343A40 ΔE 0.048
- Purple Brown #673A3F ΔE 0.065
- Dark Olive #373E02 ΔE 0.072
- Pakistan Green #283618 ΔE 0.073
- Gunmetal #293241 ΔE 0.074
- Mud Brown #60460F ΔE 0.076
- Charcoal #264653 ΔE 0.080
Use #4B372C 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.