#603500
Closest named color: Mud Brown (#60460F). oklch(37.5% 0.086 63), rgb(96, 53, 0).
Aa
White text reads best on this color (10.46:1).
About this color
#603500 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.086 and its hue 63°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.046 away. White text reads best on it, at 10.46:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.00:1 |
| White text | 10.46:1 |
Values
| HEX | #603500 |
| RGB | rgb(96, 53, 0) |
| HSL | hsl(33, 100%, 19%) |
| OKLCH | oklch(37.5% 0.086 63) |
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 #603500 | 10.46:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #603500 | 2.00:1 | Fails | Lc 10.0 | Not readable |
| #603500 text on white | 10.46:1 | AAA | Lc 93.9 | Preferred for body text |
| #603500 text on black | 2.00:1 | Fails | Lc -8.6 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F3E7DE
oklch(93.5% 0.018 59.5)
-
Step 200
200
#EBD5C2
oklch(88.6% 0.035 63.2)
-
Step 300
300
#DFB896
oklch(80.9% 0.064 62.8)
-
Step 400
400
#CE925A
oklch(70.7% 0.103 62.9)
-
Step 500
500
#C07522
oklch(63% 0.131 62.9)
-
Step 600
600
#A66000
oklch(55.7% 0.127 63.3)
-
Step 700
700
#8C5000
oklch(49.1% 0.112 63.2)
-
Step 800
800
#734100
oklch(42.7% 0.097 63.4)
-
Step 900
900 (this color)
#603500
oklch(37.5% 0.086 63)
-
Step 950
950
#392006
oklch(27.1% 0.054 62.9)
#603500 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) | #423900 | 0.060 |
| Deuteranopia (no green cones) | #4D4300 | 0.053 |
| Tritanopia (no blue cones) | #6A2B2C | 0.063 |
| Achromatopsia (no color) | #3F3F3F | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603500
#603500
oklch(37.5% 0.086 63)
- #08456A
#08456A
oklch(37.5% 0.085 242.6)
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 #603500, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.046
- Chestnut #742802 ΔE 0.049
- Purple Brown #673A3F ΔE 0.073
- Green Brown #544E03 ΔE 0.074
- Reddy Brown #6E1005 ΔE 0.077
- Dark Olive #373E02 ΔE 0.080
- Rust Brown #8B3103 ΔE 0.089
- Olive Brown #645403 ΔE 0.089
Use #603500 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.