#603BA0
Closest named color: Rebecca Purple (#663399). oklch(45% 0.156 296.4), rgb(96, 59, 160).
Aa
White text reads best on this color (7.98:1).
About this color
#603BA0 is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.156 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.022 away. White text reads best on it, at 7.98:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.63:1 |
| White text | 7.98:1 |
Values
| HEX | #603BA0 |
| RGB | rgb(96, 59, 160) |
| HSL | hsl(262, 46%, 43%) |
| OKLCH | oklch(45% 0.156 296.4) |
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 #603BA0 | 7.98:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #603BA0 | 2.63:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #603BA0 text on white | 7.98:1 | AAA | Lc 87.2 | Fine for body text |
| #603BA0 text on black | 2.63:1 | Fails | Lc -14.9 | 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 800.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7FA
oklch(93.7% 0.026 295.5)
-
Step 200
200
#DCD3F8
oklch(88.6% 0.051 296.5)
-
Step 300
300
#C6B5F5
oklch(81% 0.091 296.5)
-
Step 400
400
#AA8BF0
oklch(70.6% 0.146 296.6)
-
Step 500
500
#976BEB
oklch(63.2% 0.186 296.6)
-
Step 600
600
#824ED9
oklch(55.6% 0.203 296.4)
-
Step 700
700
#6E3DBC
oklch(49% 0.189 296.4)
-
Step 800
800 (this color)
#603BA0
oklch(45% 0.156 296.4)
-
Step 900
900
#492F79
oklch(37.7% 0.121 296.3)
-
Step 950
950
#2B1C47
oklch(27% 0.078 297)
#603BA0 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) | #0051A3 | 0.107 |
| Deuteranopia (no green cones) | #024F9E | 0.107 |
| Tritanopia (no blue cones) | #505268 | 0.122 |
| Achromatopsia (no color) | #515151 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603BA0
#603BA0
oklch(45% 0.156 296.4)
- #525C00
#525C00
oklch(45% 0.104 116.8)
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 #603BA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.022
- Blueberry #464196 ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.054
- Bluey Purple #6241C7 ΔE 0.063
- Blue With A Hint Of Purple #533CC6 ΔE 0.066
- Twilight #4E518B ΔE 0.073
- Blurple #5539CC ΔE 0.074
- Chrysanthemum #560BAD ΔE 0.076
Use #603BA0 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.