#603E2B
Closest named color: Purple Brown (#673A3F). oklch(39.8% 0.057 49.7), rgb(96, 62, 43).
Aa
White text reads best on this color (9.45:1).
About this color
#603E2B is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.057 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.039 away. White text reads best on it, at 9.45:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.22:1 |
| White text | 9.45:1 |
Values
| HEX | #603E2B |
| RGB | rgb(96, 62, 43) |
| HSL | hsl(22, 38%, 27%) |
| OKLCH | oklch(39.8% 0.057 49.7) |
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 #603E2B | 9.45:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #603E2B | 2.22:1 | Fails | Lc 12.2 | Not readable |
| #603E2B text on white | 9.45:1 | AAA | Lc 91.7 | Preferred for body text |
| #603E2B text on black | 2.22:1 | Fails | Lc -10.6 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F1E8E3
oklch(93.7% 0.012 51.3)
-
Step 200
200
#E7D5CC
oklch(88.5% 0.024 48.4)
-
Step 300
300
#D8B9A9
oklch(80.8% 0.042 49)
-
Step 400
400
#C4957B
oklch(70.8% 0.068 50.2)
-
Step 500
500
#B47A59
oklch(63.1% 0.086 50.3)
-
Step 600
600
#9F623F
oklch(55.6% 0.093 49.8)
-
Step 700
700
#885131
oklch(49.1% 0.087 49.9)
-
Step 800
800
#6F4229
oklch(42.7% 0.073 49)
-
Step 900
900 (this color)
#603E2B
oklch(39.8% 0.057 49.7)
-
Step 950
950
#352116
oklch(27% 0.037 49.5)
#603E2B 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) | #474229 | 0.048 |
| Deuteranopia (no green cones) | #4F492B | 0.044 |
| Tritanopia (no blue cones) | #683839 | 0.035 |
| Achromatopsia (no color) | #464646 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603E2B
#603E2B
oklch(39.8% 0.057 49.7)
- #234D60
#234D60
oklch(39.9% 0.057 229.9)
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 #603E2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.039
- Mud Brown #60460F ΔE 0.044
- Chestnut #742802 ΔE 0.061
- Charcoal Grey #3C4142 ΔE 0.069
- Brownish Purple #76424E ΔE 0.069
- Green Brown #544E03 ΔE 0.073
- Milk Chocolate #7F4E1E ΔE 0.081
- Olive Brown #645403 ΔE 0.083
Use #603E2B 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.