#331507
Closest named color: Dark Brown (#341C02). oklch(23.8% 0.054 44.5), rgb(51, 21, 7).
Aa
White text reads best on this color (16.78:1).
About this color
#331507 is a very dark, muted brown. In OKLCH its lightness is 24%, its chroma 0.054 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.025 away. White text reads best on it, at 16.78:1.
| Hue family | Browns |
| Lightness | very dark (24%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.25:1 |
| White text | 16.78:1 |
Values
| HEX | #331507 |
| RGB | rgb(51, 21, 7) |
| HSL | hsl(19, 76%, 11%) |
| OKLCH | oklch(23.8% 0.054 44.5) |
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 #331507 | 16.78:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #331507 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #331507 text on white | 16.78:1 | AAA | Lc 103.5 | Preferred for body text |
| #331507 text on black | 1.25:1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EED2C6
oklch(88.4% 0.035 44.6)
-
Step 300
300
#E5B49F
oklch(80.9% 0.064 44.3)
-
Step 400
400
#D68C6B
oklch(70.8% 0.102 44.7)
-
Step 500
500
#C96D42
oklch(63.2% 0.13 44.7)
-
Step 600
600
#B45220
oklch(55.5% 0.141 44.4)
-
Step 700
700
#9B4211
oklch(49.1% 0.132 44.5)
-
Step 800
800
#7E3713
oklch(42.7% 0.109 44.2)
-
Step 900
900
#663017
oklch(37.7% 0.086 43.9)
-
Step 950
950 (this color)
#331507
oklch(23.8% 0.054 44.5)
#331507 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) | #1D1906 | 0.050 |
| Deuteranopia (no green cones) | #252007 | 0.045 |
| Tritanopia (no blue cones) | #390F12 | 0.029 |
| Achromatopsia (no color) | #1D1D1D | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331507
#331507
oklch(23.8% 0.054 44.5)
- #00232E
#00232E
oklch(23.8% 0.044 223.3)
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 #331507, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.025
- Chocolate Brown #411900 ΔE 0.037
- Deep Brown #410200 ΔE 0.044
- Dark Maroon #3C0008 ΔE 0.048
- Mahogany #4A0100 ΔE 0.058
- Jet #212529 ΔE 0.067
- Dark #1B2431 ΔE 0.081
- Very Dark Brown #1D0200 ΔE 0.087
Use #331507 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.