#603B5C
Closest named color: Purple Brown (#673A3F). oklch(40.9% 0.072 330.7), rgb(96, 59, 92).
Aa
White text reads best on this color (9.22:1).
About this color
#603B5C is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.072 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.050 away. White text reads best on it, at 9.22:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.27:1 |
| White text | 9.22:1 |
Values
| HEX | #603B5C |
| RGB | rgb(96, 59, 92) |
| HSL | hsl(306, 24%, 30%) |
| OKLCH | oklch(40.9% 0.072 330.7) |
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 #603B5C | 9.22:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #603B5C | 2.27:1 | Fails | Lc 12.8 | Not readable |
| #603B5C text on white | 9.22:1 | AAA | Lc 91.1 | Preferred for body text |
| #603B5C text on black | 2.27:1 | Fails | Lc -11.2 | 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 800.
-
Step 50
50
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#EFE7EE
oklch(93.6% 0.013 329.6)
-
Step 200
200
#E3D4E0
oklch(88.6% 0.023 332.4)
-
Step 300
300
#D1B7CD
oklch(80.8% 0.042 331)
-
Step 400
400
#B992B4
oklch(70.7% 0.066 330.6)
-
Step 500
500
#A776A2
oklch(63% 0.086 330.1)
-
Step 600
600
#925E8D
oklch(55.5% 0.094 330.2)
-
Step 700
700
#7D4E77
oklch(49.2% 0.086 331.4)
-
Step 800
800 (this color)
#603B5C
oklch(40.9% 0.072 330.7)
-
Step 900
900
#53364F
oklch(37.6% 0.057 331.6)
-
Step 950
950
#30202E
oklch(26.9% 0.034 330.8)
#603B5C 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) | #3A445D | 0.068 |
| Deuteranopia (no green cones) | #43495B | 0.062 |
| Tritanopia (no blue cones) | #633D47 | 0.038 |
| Achromatopsia (no color) | #474747 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603B5C
#603B5C
oklch(40.9% 0.072 330.7)
- #2A5535
#2A5535
oklch(40.9% 0.072 150.4)
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 #603B5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.050
- Brownish Purple #76424E ΔE 0.057
- Dusty Grape #545775 ΔE 0.080
- Dusk #4E5481 ΔE 0.083
- Charcoal Grey #3C4142 ΔE 0.084
- Grape Purple #5D1451 ΔE 0.087
- Dark Slate Blue #483D8B ΔE 0.090
- Twilight #4E518B ΔE 0.090
Use #603B5C 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.