#391603
Closest named color: Dark Brown (#341C02). oklch(25% 0.063 47.2), rgb(57, 22, 3).
Aa
White text reads best on this color (16.27:1).
About this color
#391603 is a very dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.063 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.020 away. White text reads best on it, at 16.27:1.
| Hue family | Browns |
| Lightness | very dark (25%) |
| Chroma | muted (0.063) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.29:1 |
| White text | 16.27:1 |
Values
| HEX | #391603 |
| RGB | rgb(57, 22, 3) |
| HSL | hsl(21, 90%, 12%) |
| OKLCH | oklch(25% 0.063 47.2) |
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 #391603 | 16.27:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #391603 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #391603 text on white | 16.27:1 | AAA | Lc 102.9 | Preferred for body text |
| #391603 text on black | 1.29:1 | 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
#FCF4F0
oklch(97.2% 0.01 48.6)
-
Step 100
100
#F7E6DE
oklch(93.6% 0.022 47)
-
Step 200
200
#F1D2C2
oklch(88.5% 0.041 49)
-
Step 300
300
#EAB297
oklch(80.8% 0.075 46.9)
-
Step 400
400
#DD885D
oklch(70.7% 0.119 47)
-
Step 500
500
#D16729
oklch(63.1% 0.152 47.2)
-
Step 600
600
#B85000
oklch(55.7% 0.153 47.4)
-
Step 700
700
#9C4200
oklch(49.2% 0.136 47)
-
Step 800
800
#803500
oklch(42.6% 0.118 47.1)
-
Step 900
900
#6A2D05
oklch(37.7% 0.099 47.4)
-
Step 950
950 (this color)
#391603
oklch(25% 0.063 47.2)
#391603 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) | #201B01 | 0.058 |
| Deuteranopia (no green cones) | #292302 | 0.051 |
| Tritanopia (no blue cones) | #400E12 | 0.036 |
| Achromatopsia (no color) | #202020 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #391603
#391603
oklch(25% 0.063 47.2)
- #002633
#002633
oklch(25% 0.048 225.9)
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 #391603, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.020
- Chocolate Brown #411900 ΔE 0.022
- Deep Brown #410200 ΔE 0.040
- Mahogany #4A0100 ΔE 0.049
- Dark Maroon #3C0008 ΔE 0.051
- Jet #212529 ΔE 0.073
- Dark #1B2431 ΔE 0.089
- Dark Plum #3F012C ΔE 0.093
Use #391603 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.