#603910
Closest named color: Mud Brown (#60460F). oklch(38.4% 0.077 62.6), rgb(96, 57, 16).
Aa
White text reads best on this color (10.04:1).
About this color
#603910 is a dark, moderately saturated brown. In OKLCH its lightness is 38%, its chroma 0.077 and its hue 63°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.038 away. White text reads best on it, at 10.04:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.09:1 |
| White text | 10.04:1 |
Values
| HEX | #603910 |
| RGB | rgb(96, 57, 16) |
| HSL | hsl(31, 71%, 22%) |
| OKLCH | oklch(38.4% 0.077 62.6) |
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 #603910 | 10.04:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #603910 | 2.09:1 | Fails | Lc 10.9 | Not readable |
| #603910 text on white | 10.04:1 | AAA | Lc 93.1 | Preferred for body text |
| #603910 text on black | 2.09:1 | Fails | Lc -9.4 | 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 900.
-
Step 50
50
#F9F4F0
oklch(97% 0.008 61.5)
-
Step 100
100
#F2E8DF
oklch(93.6% 0.016 64.7)
-
Step 200
200
#E9D5C4
oklch(88.5% 0.032 62.8)
-
Step 300
300
#DCB99B
oklch(80.9% 0.057 62.5)
-
Step 400
400
#CA9463
oklch(70.8% 0.092 62.7)
-
Step 500
500
#BB7834
oklch(63.1% 0.118 62.9)
-
Step 600
600
#A65F00
oklch(55.5% 0.127 62.5)
-
Step 700
700
#8C5000
oklch(49.1% 0.112 63.2)
-
Step 800
800
#744100
oklch(42.8% 0.098 62.8)
-
Step 900
900 (this color)
#603910
oklch(38.4% 0.077 62.6)
-
Step 950
950
#37210A
oklch(27.1% 0.049 64.1)
#603910 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) | #453D0A | 0.054 |
| Deuteranopia (no green cones) | #4E4611 | 0.049 |
| Tritanopia (no blue cones) | #6A3031 | 0.058 |
| Achromatopsia (no color) | #424242 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603910
#603910
oklch(38.4% 0.077 62.6)
- #164869
#164869
oklch(38.5% 0.077 241.9)
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 #603910, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.038
- Chestnut #742802 ΔE 0.052
- Purple Brown #673A3F ΔE 0.064
- Green Brown #544E03 ΔE 0.067
- Dark Olive #373E02 ΔE 0.080
- Olive Brown #645403 ΔE 0.082
- Reddy Brown #6E1005 ΔE 0.083
- Charcoal Grey #3C4142 ΔE 0.084
Use #603910 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.