#371303
Closest named color: Dark Brown (#341C02). oklch(24.1% 0.064 43.9), rgb(55, 19, 3).
Aa
White text reads best on this color (16.70:1).
About this color
#371303 is a very dark, muted brown. In OKLCH its lightness is 24%, its chroma 0.064 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.026 away. White text reads best on it, at 16.70:1.
| Hue family | Browns |
| Lightness | very dark (24%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.25:1 |
| White text | 16.70:1 |
Values
| HEX | #371303 |
| RGB | rgb(55, 19, 3) |
| HSL | hsl(18, 90%, 11%) |
| OKLCH | oklch(24.1% 0.064 43.9) |
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 #371303 | 16.70:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #371303 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #371303 text on white | 16.70:1 | AAA | Lc 103.3 | Preferred for body text |
| #371303 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F7E6DE
oklch(93.6% 0.022 47)
-
Step 200
200
#F2D1C3
oklch(88.5% 0.042 44.3)
-
Step 300
300
#EBB299
oklch(81% 0.075 44.8)
-
Step 400
400
#DF8760
oklch(70.8% 0.121 44.3)
-
Step 500
500
#D36530
oklch(63.1% 0.154 44)
-
Step 600
600
#BD4A00
oklch(55.6% 0.163 43.7)
-
Step 700
700
#9F3E00
oklch(49.1% 0.142 44.2)
-
Step 800
800
#843200
oklch(42.8% 0.124 44.1)
-
Step 900
900
#6B2C0B
oklch(37.7% 0.1 44.2)
-
Step 950
950 (this color)
#371303
oklch(24.1% 0.064 43.9)
#371303 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) | #1D1902 | 0.060 |
| Deuteranopia (no green cones) | #262102 | 0.055 |
| Tritanopia (no blue cones) | #3D0B0F | 0.031 |
| Achromatopsia (no color) | #1E1E1E | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #371303
#371303
oklch(24.1% 0.064 43.9)
- #00242F
#00242F
oklch(24.2% 0.045 222.8)
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 #371303, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.026
- Chocolate Brown #411900 ΔE 0.031
- Deep Brown #410200 ΔE 0.036
- Dark Maroon #3C0008 ΔE 0.044
- Mahogany #4A0100 ΔE 0.049
- Jet #212529 ΔE 0.075
- Dark Plum #3F012C ΔE 0.089
- Dark #1B2431 ΔE 0.090
Use #371303 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.