#603BA7
Closest named color: Rebecca Purple (#663399). oklch(45.6% 0.165 294.7), rgb(96, 59, 167).
Aa
White text reads best on this color (7.83:1).
About this color
#603BA7 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.165 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.029 away. White text reads best on it, at 7.83:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.68:1 |
| White text | 7.83:1 |
Values
| HEX | #603BA7 |
| RGB | rgb(96, 59, 167) |
| HSL | hsl(261, 48%, 44%) |
| OKLCH | oklch(45.6% 0.165 294.7) |
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 #603BA7 | 7.83:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #603BA7 | 2.68:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #603BA7 text on white | 7.83:1 | AAA | Lc 86.7 | Fine for body text |
| #603BA7 text on black | 2.68:1 | Fails | Lc -15.4 | Dividers and decoration only |
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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE7FB
oklch(93.7% 0.027 295)
-
Step 200
200
#DBD3FA
oklch(88.6% 0.054 294.7)
-
Step 300
300
#C4B5F9
oklch(80.9% 0.096 294.3)
-
Step 400
400
#A88BF6
oklch(70.8% 0.154 294.6)
-
Step 500
500
#9469F2
oklch(63.1% 0.197 294.5)
-
Step 600
600
#804BE0
oklch(55.5% 0.214 294.7)
-
Step 700
700
#6D3BC3
oklch(49.2% 0.199 294.8)
-
Step 800
800 (this color)
#603BA7
oklch(45.6% 0.165 294.7)
-
Step 900
900
#482E7D
oklch(37.7% 0.128 294.6)
-
Step 950
950
#2A1C49
oklch(27% 0.081 294.8)
#603BA7 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) | #0053AA | 0.106 |
| Deuteranopia (no green cones) | #0050A5 | 0.106 |
| Tritanopia (no blue cones) | #4D546B | 0.130 |
| Achromatopsia (no color) | #525252 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603BA7
#603BA7
oklch(45.6% 0.165 294.7)
- #565D00
#565D00
oklch(45.6% 0.103 114.8)
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 #603BA7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.029
- Bluey Purple #6241C7 ΔE 0.052
- Blueberry #464196 ΔE 0.053
- Blue With A Hint Of Purple #533CC6 ΔE 0.055
- Dark Slate Blue #483D8B ΔE 0.062
- Blurple #5539CC ΔE 0.063
- Grape #7209B7 ΔE 0.071
- Chrysanthemum #560BAD ΔE 0.073
Use #603BA7 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.