#603071
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.116 316.5), rgb(96, 48, 113).
Aa
White text reads best on this color (9.72:1).
About this color
#603071 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.116 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.065 away. White text reads best on it, at 9.72:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.15:1 |
| White text | 9.72:1 |
Values
| HEX | #603071 |
| RGB | rgb(96, 48, 113) |
| HSL | hsl(284, 40%, 32%) |
| OKLCH | oklch(40.1% 0.116 316.5) |
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 #603071 | 9.72:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #603071 | 2.15:1 | Fails | Lc 11.8 | Not readable |
| #603071 text on white | 9.72:1 | AAA | Lc 92.2 | Preferred for body text |
| #603071 text on black | 2.15:1 | Fails | Lc -10.2 | 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 900.
-
Step 50
50
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F1E5F5
oklch(93.6% 0.025 317.7)
-
Step 200
200
#E6D0EF
oklch(88.5% 0.048 316.2)
-
Step 300
300
#D7B0E7
oklch(81% 0.087 316)
-
Step 400
400
#C383DA
oklch(70.6% 0.14 316.8)
-
Step 500
500
#B361D0
oklch(63.1% 0.178 316.5)
-
Step 600
600
#9E43BD
oklch(55.5% 0.195 316.4)
-
Step 700
700
#8734A3
oklch(49.1% 0.18 316.4)
-
Step 800
800
#6E2C84
oklch(42.7% 0.15 316.6)
-
Step 900
900 (this color)
#603071
oklch(40.1% 0.116 316.5)
-
Step 950
950
#34193E
oklch(27% 0.074 316.2)
#603071 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) | #214173 | 0.105 |
| Deuteranopia (no green cones) | #31466F | 0.094 |
| Tritanopia (no blue cones) | #5F3A4B | 0.076 |
| Achromatopsia (no color) | #444444 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603071
#603071
oklch(40.1% 0.116 316.5)
- #265505
#265505
oklch(40.1% 0.116 136.5)
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 #603071, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.065
- Rebecca Purple #663399 ΔE 0.067
- Grape Purple #5D1451 ΔE 0.073
- Rich Purple #720058 ΔE 0.079
- Blueberry #464196 ΔE 0.082
- Velvet #750851 ΔE 0.082
- Purple #800080 ΔE 0.085
- Twilight #4E518B ΔE 0.091
Use #603071 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.