#603BA9
Closest named color: Rebecca Purple (#663399). oklch(45.7% 0.168 294.3), rgb(96, 59, 169).
Aa
White text reads best on this color (7.78:1).
About this color
#603BA9 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.168 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.032 away. White text reads best on it, at 7.78:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.69:1 |
| White text | 7.78:1 |
Values
| HEX | #603BA9 |
| RGB | rgb(96, 59, 169) |
| HSL | hsl(260, 48%, 45%) |
| OKLCH | oklch(45.7% 0.168 294.3) |
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 #603BA9 | 7.78:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #603BA9 | 2.69:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #603BA9 text on white | 7.78:1 | AAA | Lc 86.5 | Fine for body text |
| #603BA9 text on black | 2.69:1 | Fails | Lc -15.5 | 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
#EAE7FC
oklch(93.7% 0.028 292.4)
-
Step 200
200
#DBD3FA
oklch(88.6% 0.054 294.7)
-
Step 300
300
#C4B5FA
oklch(81% 0.097 294.1)
-
Step 400
400
#A78AF7
oklch(70.6% 0.157 294.3)
-
Step 500
500
#9468F4
oklch(63% 0.201 294.4)
-
Step 600
600
#804AE3
oklch(55.6% 0.219 294.4)
-
Step 700
700
#6C3AC5
oklch(49.1% 0.203 294.1)
-
Step 800
800 (this color)
#603BA9
oklch(45.7% 0.168 294.3)
-
Step 900
900
#482D7E
oklch(37.6% 0.131 294.6)
-
Step 950
950
#2A1C4A
oklch(27.1% 0.082 294.3)
#603BA9 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) | #0053AC | 0.106 |
| Deuteranopia (no green cones) | #0050A7 | 0.106 |
| Tritanopia (no blue cones) | #4C556C | 0.133 |
| Achromatopsia (no color) | #525252 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603BA9
#603BA9
oklch(45.7% 0.168 294.3)
- #575D00
#575D00
oklch(45.7% 0.103 114.1)
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 #603BA9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.032
- Bluey Purple #6241C7 ΔE 0.049
- Blue With A Hint Of Purple #533CC6 ΔE 0.052
- Blueberry #464196 ΔE 0.055
- Blurple #5539CC ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.064
- Grape #7209B7 ΔE 0.070
- Chrysanthemum #560BAD ΔE 0.072
Use #603BA9 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.