#311B02
Closest named color: Dark Brown (#341C02). oklch(24.6% 0.052 66.3), rgb(49, 27, 2).
Aa
White text reads best on this color (16.30:1).
About this color
#311B02 is a very dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.052 and its hue 66°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.008 away. White text reads best on it, at 16.30:1.
| Hue family | Browns |
| Lightness | very dark (25%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.28:1 |
| White text | 16.30:1 |
Values
| HEX | #311B02 |
| RGB | rgb(49, 27, 2) |
| HSL | hsl(32, 92%, 10%) |
| OKLCH | oklch(24.6% 0.052 66.3) |
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 #311B02 | 16.30:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #311B02 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #311B02 text on white | 16.30:1 | AAA | Lc 103.1 | Preferred for body text |
| #311B02 text on black | 1.28:1 | 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 950.
-
Step 50
50
#F9F4F0
oklch(97% 0.008 61.5)
-
Step 100
100
#F2E8DE
oklch(93.6% 0.017 67.6)
-
Step 200
200
#E9D5C2
oklch(88.4% 0.034 65.9)
-
Step 300
300
#DCB997
oklch(80.8% 0.061 66)
-
Step 400
400
#CA945C
oklch(70.7% 0.098 66.1)
-
Step 500
500
#BC7826
oklch(63.1% 0.126 66)
-
Step 600
600
#A36200
oklch(55.6% 0.124 66.2)
-
Step 700
700
#895200
oklch(49.1% 0.109 66.6)
-
Step 800
800
#714300
oklch(42.8% 0.095 66.9)
-
Step 900
900
#5E3703
oklch(37.6% 0.082 66)
-
Step 950
950 (this color)
#311B02
oklch(24.6% 0.052 66.3)
#311B02 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) | #221D00 | 0.034 |
| Deuteranopia (no green cones) | #272202 | 0.030 |
| Tritanopia (no blue cones) | #371616 | 0.040 |
| Achromatopsia (no color) | #202020 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311B02
#311B02
oklch(24.6% 0.052 66.3)
- #082338
#082338
oklch(24.8% 0.051 245.6)
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 #311B02, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.008
- Chocolate Brown #411900 ΔE 0.036
- Deep Brown #410200 ΔE 0.061
- Jet #212529 ΔE 0.063
- Dark Maroon #3C0008 ΔE 0.069
- Mahogany #4A0100 ΔE 0.071
- Dark #1B2431 ΔE 0.080
- Pakistan Green #283618 ΔE 0.085
Use #311B02 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.