#603170
Closest named color: Dark Slate Blue (#483D8B). oklch(40.2% 0.114 316.9), rgb(96, 49, 112).
Aa
White text reads best on this color (9.67:1).
About this color
#603170 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.114 and its hue 317°. 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 9.67:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.17:1 |
| White text | 9.67:1 |
Values
| HEX | #603170 |
| RGB | rgb(96, 49, 112) |
| HSL | hsl(285, 39%, 32%) |
| OKLCH | oklch(40.2% 0.114 316.9) |
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 #603170 | 9.67:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #603170 | 2.17:1 | Fails | Lc 11.9 | Not readable |
| #603170 text on white | 9.67:1 | AAA | Lc 92.1 | Preferred for body text |
| #603170 text on black | 2.17:1 | Fails | Lc -10.3 | 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
#E6D0EE
oklch(88.5% 0.047 317.1)
-
Step 300
300
#D7B0E5
oklch(80.9% 0.084 317)
-
Step 400
400
#C284D9
oklch(70.6% 0.137 316.5)
-
Step 500
500
#B262CE
oklch(63% 0.174 316.7)
-
Step 600
600
#9E45BB
oklch(55.6% 0.19 316.9)
-
Step 700
700
#8736A1
oklch(49.2% 0.176 316.9)
-
Step 800
800
#6E2E82
oklch(42.8% 0.145 317.3)
-
Step 900
900 (this color)
#603170
oklch(40.2% 0.114 316.9)
-
Step 950
950
#34193D
oklch(26.9% 0.072 317.1)
#603170 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) | #234172 | 0.103 |
| Deuteranopia (no green cones) | #32466E | 0.092 |
| Tritanopia (no blue cones) | #5F3B4B | 0.075 |
| Achromatopsia (no color) | #444444 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603170
#603170
oklch(40.2% 0.114 316.9)
- #27550B
#27550B
oklch(40.1% 0.113 136.8)
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 #603170, 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 0.068
- Grape Purple #5D1451 ΔE 0.073
- Rich Purple #720058 ΔE 0.080
- Blueberry #464196 ΔE 0.082
- Velvet #750851 ΔE 0.082
- Purple #800080 ΔE 0.087
- Twilight #4E518B ΔE 0.090
Use #603170 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.