#603EA5
Closest named color: Rebecca Purple (#663399). oklch(45.9% 0.158 294.5), rgb(96, 62, 165).
Aa
White text reads best on this color (7.69:1).
About this color
#603EA5 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.158 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 0.031 away. White text reads best on it, at 7.69:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #603EA5 |
| RGB | rgb(96, 62, 165) |
| HSL | hsl(260, 45%, 45%) |
| OKLCH | oklch(45.9% 0.158 294.5) |
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 #603EA5 | 7.69:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #603EA5 | 2.72:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #603EA5 text on white | 7.69:1 | AAA | Lc 86.3 | Fine for body text |
| #603EA5 text on black | 2.72:1 | Fails | Lc -15.8 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#DBD3F8
oklch(88.5% 0.051 295.2)
-
Step 300
300
#C4B5F7
oklch(80.9% 0.093 294.7)
-
Step 400
400
#A78CF3
oklch(70.7% 0.148 294.4)
-
Step 500
500
#936BEE
oklch(63% 0.189 294.4)
-
Step 600
600
#7F4EDC
oklch(55.5% 0.206 294.6)
-
Step 700
700
#6C3EBF
oklch(49.1% 0.191 294.7)
-
Step 800
800 (this color)
#603EA5
oklch(45.9% 0.158 294.5)
-
Step 900
900
#482F7B
oklch(37.7% 0.124 294.9)
-
Step 950
950
#2A1C48
oklch(26.9% 0.079 295.3)
#603EA5 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) | #0054A8 | 0.104 |
| Deuteranopia (no green cones) | #0051A3 | 0.104 |
| Tritanopia (no blue cones) | #4E556B | 0.125 |
| Achromatopsia (no color) | #535353 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603EA5
#603EA5
oklch(45.9% 0.158 294.5)
- #575E00
#575E00
oklch(46% 0.104 114.7)
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 #603EA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.031
- Blueberry #464196 ΔE 0.050
- Bluey Purple #6241C7 ΔE 0.054
- Blue With A Hint Of Purple #533CC6 ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.059
- Blurple #5539CC ΔE 0.067
- Twilight #4E518B ΔE 0.072
- Iris #6258C4 ΔE 0.075
Use #603EA5 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.