#4B381D
Closest named color: Dark Olive (#373E02). oklch(35.5% 0.049 74.8), rgb(75, 56, 29).
Aa
White text reads best on this color (11.15:1).
About this color
#4B381D is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.049 and its hue 75°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.054 away. White text reads best on it, at 11.15:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.88:1 |
| White text | 11.15:1 |
Values
| HEX | #4B381D |
| RGB | rgb(75, 56, 29) |
| HSL | hsl(35, 44%, 20%) |
| OKLCH | oklch(35.5% 0.049 74.8) |
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 #4B381D | 11.15:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #4B381D | 1.88:1 | Fails | Lc 8.2 | Not readable |
| #4B381D text on white | 11.15:1 | AAA | Lc 95.7 | Preferred for body text |
| #4B381D 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
#F7F5F2
oklch(97.1% 0.005 78.3)
-
Step 100
100
#EEE9E2
oklch(93.6% 0.011 76.6)
-
Step 200
200
#E1D7CB
oklch(88.4% 0.02 72.6)
-
Step 300
300
#CFBEA7
oklch(81% 0.037 75.5)
-
Step 400
400
#B79C78
oklch(70.8% 0.059 74.6)
-
Step 500
500
#A58354
oklch(63.1% 0.076 74.7)
-
Step 600
600
#906C39
oklch(55.7% 0.082 74.3)
-
Step 700
700
#7A5A2B
oklch(49.1% 0.076 74.8)
-
Step 800
800
#634A25
oklch(42.7% 0.063 75.5)
-
Step 900
900 (this color)
#4B381D
oklch(35.5% 0.049 74.8)
-
Step 950
950
#2F2415
oklch(26.9% 0.03 74.5)
#4B381D 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) | #3F391B | 0.023 |
| Deuteranopia (no green cones) | #443D1E | 0.019 |
| Tritanopia (no blue cones) | #513332 | 0.042 |
| Achromatopsia (no color) | #3B3B3B | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B381D
#4B381D
oklch(35.5% 0.049 74.8)
- #2A3D55
#2A3D55
oklch(35.5% 0.049 254.7)
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 #4B381D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.057
- Onyx #343A40 ΔE 0.063
- Pakistan Green #283618 ΔE 0.064
- Mud Brown #60460F ΔE 0.064
- Purple Brown #673A3F ΔE 0.078
- Green Brown #544E03 ΔE 0.079
- Chestnut #742802 ΔE 0.085
Use #4B381D 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.