#4B310B
Closest named color: Dark Olive (#373E02). oklch(33.7% 0.063 72.1), rgb(75, 49, 11).
Aa
White text reads best on this color (12.04:1).
About this color
#4B310B is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.063 and its hue 72°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.056 away. White text reads best on it, at 12.04:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | muted (0.063) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.74:1 |
| White text | 12.04:1 |
Values
| HEX | #4B310B |
| RGB | rgb(75, 49, 11) |
| HSL | hsl(36, 74%, 17%) |
| OKLCH | oklch(33.7% 0.063 72.1) |
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 #4B310B | 12.04:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #4B310B | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #4B310B text on white | 12.04:1 | AAA | Lc 97.4 | Preferred for body text |
| #4B310B text on black | 1.74:1 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#F0E9E0
oklch(93.7% 0.014 74.4)
-
Step 200
200
#E4D7C7
oklch(88.5% 0.026 73.2)
-
Step 300
300
#D4BCA0
oklch(80.8% 0.047 71.4)
-
Step 400
400
#BE996B
oklch(70.6% 0.076 72.2)
-
Step 500
500
#AE7F42
oklch(63.1% 0.097 71.6)
-
Step 600
600
#99681F
oklch(55.6% 0.106 72.3)
-
Step 700
700
#835611
oklch(49.1% 0.098 71.6)
-
Step 800
800
#6A4712
oklch(42.8% 0.081 72.7)
-
Step 900
900 (this color)
#4B310B
oklch(33.7% 0.063 72.1)
-
Step 950
950
#33230F
oklch(27.1% 0.04 70.8)
#4B310B 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) | #3A3306 | 0.035 |
| Deuteranopia (no green cones) | #40390C | 0.031 |
| Tritanopia (no blue cones) | #522A29 | 0.052 |
| Achromatopsia (no color) | #363636 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B310B
#4B310B
oklch(33.7% 0.063 72.1)
- #1D3957
#1D3957
oklch(33.8% 0.063 251.6)
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 #4B310B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.056
- Pakistan Green #283618 ΔE 0.062
- Chocolate Brown #411900 ΔE 0.073
- Charcoal Grey #3C4142 ΔE 0.077
- Onyx #343A40 ΔE 0.077
- Mud Brown #60460F ΔE 0.078
- Dark Brown #341C02 ΔE 0.084
- Chestnut #742802 ΔE 0.085
Use #4B310B 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.