#603B16
Closest named color: Mud Brown (#60460F). oklch(38.9% 0.073 62.5), rgb(96, 59, 22).
Aa
White text reads best on this color (9.83:1).
About this color
#603B16 is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.073 and its hue 62°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.034 away. White text reads best on it, at 9.83:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.13:1 |
| White text | 9.83:1 |
Values
| HEX | #603B16 |
| RGB | rgb(96, 59, 22) |
| HSL | hsl(30, 63%, 23%) |
| OKLCH | oklch(38.9% 0.073 62.5) |
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 #603B16 | 9.83:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #603B16 | 2.13:1 | Fails | Lc 11.3 | Not readable |
| #603B16 text on white | 9.83:1 | AAA | Lc 92.6 | Preferred for body text |
| #603B16 text on black | 2.13:1 | Fails | Lc -9.8 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8DF
oklch(93.6% 0.016 64.7)
-
Step 200
200
#E8D5C5
oklch(88.4% 0.03 62.5)
-
Step 300
300
#DBB99D
oklch(80.8% 0.055 61.4)
-
Step 400
400
#C89567
oklch(70.8% 0.087 62.7)
-
Step 500
500
#B9793B
oklch(63.1% 0.111 62.4)
-
Step 600
600
#A46112
oklch(55.6% 0.121 62.9)
-
Step 700
700
#8D5000
oklch(49.3% 0.113 62.6)
-
Step 800
800
#724108
oklch(42.6% 0.093 62.2)
-
Step 900
900 (this color)
#603B16
oklch(38.9% 0.073 62.5)
-
Step 950
950
#36210C
oklch(27% 0.046 63.5)
#603B16 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) | #473E12 | 0.049 |
| Deuteranopia (no green cones) | #4F4716 | 0.046 |
| Tritanopia (no blue cones) | #693333 | 0.053 |
| Achromatopsia (no color) | #434343 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603B16
#603B16
oklch(38.9% 0.073 62.5)
- #1C4968
#1C4968
oklch(39% 0.072 242.1)
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 #603B16, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.034
- Chestnut #742802 ΔE 0.054
- Purple Brown #673A3F ΔE 0.060
- Green Brown #544E03 ΔE 0.065
- Olive Brown #645403 ΔE 0.078
- Charcoal Grey #3C4142 ΔE 0.081
- Dark Olive #373E02 ΔE 0.081
- Milk Chocolate #7F4E1E ΔE 0.084
Use #603B16 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.