#4B331B
Closest named color: Dark Olive (#373E02). oklch(34.3% 0.051 64.7), rgb(75, 51, 27).
Aa
White text reads best on this color (11.74:1).
About this color
#4B331B is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.051 and its hue 65°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.061 away. White text reads best on it, at 11.74:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | muted (0.051) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.78:1 |
| White text | 11.74:1 |
Values
| HEX | #4B331B |
| RGB | rgb(75, 51, 27) |
| HSL | hsl(30, 47%, 20%) |
| OKLCH | oklch(34.3% 0.051 64.7) |
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 #4B331B | 11.74:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #4B331B | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #4B331B text on white | 11.74:1 | AAA | Lc 96.9 | Preferred for body text |
| #4B331B text on black | 1.78:1 | 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
#EFE8E2
oklch(93.5% 0.011 63.4)
-
Step 200
200
#E3D7CB
oklch(88.6% 0.021 67.6)
-
Step 300
300
#D2BCA8
oklch(80.8% 0.037 64.6)
-
Step 400
400
#BC9979
oklch(70.7% 0.061 64)
-
Step 500
500
#AA8056
oklch(63.1% 0.078 65.6)
-
Step 600
600
#96683B
oklch(55.6% 0.085 63.9)
-
Step 700
700
#7F572D
oklch(49.1% 0.078 65.5)
-
Step 800
800
#684726
oklch(42.7% 0.066 64.5)
-
Step 900
900 (this color)
#4B331B
oklch(34.3% 0.051 64.7)
-
Step 950
950
#312315
oklch(26.9% 0.032 65.8)
#4B331B 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) | #3B3519 | 0.032 |
| Deuteranopia (no green cones) | #403A1B | 0.029 |
| Tritanopia (no blue cones) | #522E2D | 0.038 |
| Achromatopsia (no color) | #383838 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B331B
#4B331B
oklch(34.3% 0.051 64.7)
- #213B51
#213B51
oklch(34.2% 0.05 245.5)
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 #4B331B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.061
- Charcoal Grey #3C4142 ΔE 0.063
- Pakistan Green #283618 ΔE 0.064
- Onyx #343A40 ΔE 0.064
- Mud Brown #60460F ΔE 0.076
- Chocolate Brown #411900 ΔE 0.078
- Purple Brown #673A3F ΔE 0.080
- Chestnut #742802 ΔE 0.084
Use #4B331B 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.