#4D381B
Closest named color: Dark Olive (#373E02). oklch(35.7% 0.053 73.6), rgb(77, 56, 27).
Aa
White text reads best on this color (11.06:1).
About this color
#4D381B is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.053 and its hue 74°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.055 away. White text reads best on it, at 11.06:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.89:1 |
| White text | 11.06:1 |
Values
| HEX | #4D381B |
| RGB | rgb(77, 56, 27) |
| HSL | hsl(35, 48%, 20%) |
| OKLCH | oklch(35.7% 0.053 73.6) |
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 #4D381B | 11.06:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #4D381B | 1.89:1 | Fails | Lc 8.4 | Not readable |
| #4D381B text on white | 11.06:1 | AAA | Lc 95.5 | Preferred for body text |
| #4D381B text on black | 1.89:1 | 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
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#EFE9E2
oklch(93.7% 0.011 71.9)
-
Step 200
200
#E2D7CA
oklch(88.4% 0.021 72.1)
-
Step 300
300
#D0BDA5
oklch(80.8% 0.039 73.6)
-
Step 400
400
#B99B75
oklch(70.7% 0.063 73.1)
-
Step 500
500
#A78250
oklch(63.1% 0.081 73.8)
-
Step 600
600
#926B34
oklch(55.6% 0.087 73.7)
-
Step 700
700
#7C5926
oklch(49.1% 0.081 74)
-
Step 800
800
#654921
oklch(42.7% 0.068 73.9)
-
Step 900
900 (this color)
#4D381B
oklch(35.7% 0.053 73.6)
-
Step 950
950
#302413
oklch(27% 0.034 75.2)
#4D381B 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) | #403918 | 0.026 |
| Deuteranopia (no green cones) | #453E1C | 0.023 |
| Tritanopia (no blue cones) | #543331 | 0.043 |
| Achromatopsia (no color) | #3C3C3C | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D381B
#4D381B
oklch(35.7% 0.053 73.6)
- #283E58
#283E58
oklch(35.8% 0.053 253.3)
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 #4D381B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.055
- Charcoal Grey #3C4142 ΔE 0.059
- Mud Brown #60460F ΔE 0.061
- Onyx #343A40 ΔE 0.067
- Pakistan Green #283618 ΔE 0.067
- Purple Brown #673A3F ΔE 0.076
- Green Brown #544E03 ΔE 0.077
- Chestnut #742802 ΔE 0.081
Use #4D381B 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.