#331C03
Closest named color: Dark Brown (#341C02). oklch(25.2% 0.052 64.7), rgb(51, 28, 3).
Aa
White text reads best on this color (16.05:1).
About this color
#331C03 is a dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.052 and its hue 65°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.002 away. White text reads best on it, at 16.05:1.
| Hue family | Browns |
| Lightness | dark (25%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.30:1 |
| White text | 16.05:1 |
Values
| HEX | #331C03 |
| RGB | rgb(51, 28, 3) |
| HSL | hsl(31, 89%, 11%) |
| OKLCH | oklch(25.2% 0.052 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 #331C03 | 16.05:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #331C03 | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #331C03 text on white | 16.05:1 | AAA | Lc 102.8 | Preferred for body text |
| #331C03 text on black | 1.30:1 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F3E8DE
oklch(93.7% 0.018 64.9)
-
Step 200
200
#EAD5C2
oklch(88.5% 0.035 64.5)
-
Step 300
300
#DDB997
oklch(80.9% 0.062 65.1)
-
Step 400
400
#CB935C
oklch(70.6% 0.099 64.6)
-
Step 500
500
#BD7727
oklch(63.1% 0.126 64.6)
-
Step 600
600
#A46100
oklch(55.6% 0.125 64.9)
-
Step 700
700
#8B5100
oklch(49.2% 0.111 64.6)
-
Step 800
800
#724200
oklch(42.7% 0.096 65.1)
-
Step 900
900
#5F3703
oklch(37.8% 0.083 65.2)
-
Step 950
950 (this color)
#331C03
oklch(25.2% 0.052 64.7)
#331C03 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) | #231E01 | 0.036 |
| Deuteranopia (no green cones) | #292303 | 0.030 |
| Tritanopia (no blue cones) | #391717 | 0.039 |
| Achromatopsia (no color) | #212121 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331C03
#331C03
oklch(25.2% 0.052 64.7)
- #082439
#082439
oklch(25.1% 0.052 244.8)
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 #331C03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.002
- Chocolate Brown #411900 ΔE 0.031
- Deep Brown #410200 ΔE 0.061
- Jet #212529 ΔE 0.062
- Mahogany #4A0100 ΔE 0.069
- Dark Maroon #3C0008 ΔE 0.070
- Dark #1B2431 ΔE 0.080
- Pakistan Green #283618 ΔE 0.082
Use #331C03 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.