#603556
Closest named color: Purple Brown (#673A3F). oklch(39.5% 0.078 336.1), rgb(96, 53, 86).
Aa
White text reads best on this color (9.80:1).
About this color
#603556 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.078 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.048 away. White text reads best on it, at 9.80:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.14:1 |
| White text | 9.80:1 |
Values
| HEX | #603556 |
| RGB | rgb(96, 53, 86) |
| HSL | hsl(314, 29%, 29%) |
| OKLCH | oklch(39.5% 0.078 336.1) |
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 #603556 | 9.80:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #603556 | 2.14:1 | Fails | Lc 11.4 | Not readable |
| #603556 text on white | 9.80:1 | AAA | Lc 92.5 | Preferred for body text |
| #603556 text on black | 2.14:1 | Fails | Lc -9.9 | 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
#F9F3F7
oklch(97% 0.008 337.4)
-
Step 100
100
#F2E6EE
oklch(93.7% 0.017 337.6)
-
Step 200
200
#E8D1E1
oklch(88.4% 0.033 336.7)
-
Step 300
300
#DAB3CF
oklch(81% 0.058 336.4)
-
Step 400
400
#C68AB7
oklch(70.7% 0.094 336)
-
Step 500
500
#B66CA5
oklch(63.1% 0.119 335.9)
-
Step 600
600
#A15390
oklch(55.7% 0.129 336)
-
Step 700
700
#8A437A
oklch(49.2% 0.12 336.5)
-
Step 800
800
#703763
oklch(42.6% 0.1 336.5)
-
Step 900
900 (this color)
#603556
oklch(39.5% 0.078 336.1)
-
Step 950
950
#351D2F
oklch(27% 0.047 336.6)
#603556 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) | #354057 | 0.079 |
| Deuteranopia (no green cones) | #414655 | 0.071 |
| Tritanopia (no blue cones) | #643741 | 0.039 |
| Achromatopsia (no color) | #444444 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603556
#603556
oklch(39.5% 0.078 336.1)
- #1B5234
#1B5234
oklch(39.3% 0.077 156.1)
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 #603556, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.048
- Brownish Purple #76424E ΔE 0.064
- Grape Purple #5D1451 ΔE 0.073
- Velvet #750851 ΔE 0.080
- Charcoal Grey #3C4142 ΔE 0.085
- Rich Purple #720058 ΔE 0.087
- Merlot #730039 ΔE 0.089
- Red Purple #820747 ΔE 0.090
Use #603556 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.