#604AA0
Closest named color: Twilight (#4E518B). oklch(47.5% 0.134 292.3), rgb(96, 74, 160).
Aa
White text reads best on this color (7.03:1).
About this color
#604AA0 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.134 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.050 away. White text reads best on it, at 7.03:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #604AA0 |
| RGB | rgb(96, 74, 160) |
| HSL | hsl(255, 37%, 46%) |
| OKLCH | oklch(47.5% 0.134 292.3) |
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 #604AA0 | 7.03:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #604AA0 | 2.98:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #604AA0 text on white | 7.03:1 | AAA | Lc 84.1 | Fine for body text |
| #604AA0 text on black | 2.98:1 | Fails | Lc -17.8 | 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 700.
-
Step 50
50
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#D9D5F0
oklch(88.4% 0.037 292.4)
-
Step 300
300
#C1BAE8
oklch(81% 0.065 291.9)
-
Step 400
400
#A294DC
oklch(70.6% 0.104 292.4)
-
Step 500
500
#8C79D2
oklch(63.1% 0.132 292)
-
Step 600
600
#7760BF
oklch(55.6% 0.143 292.2)
-
Step 700
700 (this color)
#604AA0
oklch(47.5% 0.134 292.3)
-
Step 800
800
#524186
oklch(42.8% 0.111 292.4)
-
Step 900
900
#43376B
oklch(37.6% 0.087 292.3)
-
Step 950
950
#27213F
oklch(27% 0.055 291.5)
#604AA0 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) | #245AA3 | 0.080 |
| Deuteranopia (no green cones) | #29579E | 0.076 |
| Tritanopia (no blue cones) | #4F5C6E | 0.109 |
| Achromatopsia (no color) | #595959 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604AA0
#604AA0
oklch(47.5% 0.134 292.3)
- #5E6200
#5E6200
oklch(47.6% 0.106 112.5)
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 #604AA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.050
- Rebecca Purple #663399 ΔE 0.052
- Blueberry #464196 ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.063
- Iris #6258C4 ΔE 0.063
- Bluey Purple #6241C7 ΔE 0.066
- Dusk #4E5481 ΔE 0.067
- Dusky Blue #475F94 ΔE 0.070
Use #604AA0 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.