#604A9F
Closest named color: Twilight (#4E518B). oklch(47.5% 0.133 292.5), rgb(96, 74, 159).
Aa
White text reads best on this color (7.05:1).
About this color
#604A9F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.133 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.049 away. White text reads best on it, at 7.05:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #604A9F |
| RGB | rgb(96, 74, 159) |
| HSL | hsl(256, 36%, 46%) |
| OKLCH | oklch(47.5% 0.133 292.5) |
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 #604A9F | 7.05:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #604A9F | 2.97:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #604A9F text on white | 7.05:1 | AAA | Lc 84.2 | Fine for body text |
| #604A9F text on black | 2.97:1 | 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
#D9D5EF
oklch(88.4% 0.036 292.7)
-
Step 300
300
#C1BAE7
oklch(81% 0.063 292.1)
-
Step 400
400
#A295DB
oklch(70.8% 0.102 292.1)
-
Step 500
500
#8D79D1
oklch(63.2% 0.13 292.7)
-
Step 600
600
#7760BE
oklch(55.6% 0.142 292.4)
-
Step 700
700 (this color)
#604A9F
oklch(47.5% 0.133 292.5)
-
Step 800
800
#524185
oklch(42.7% 0.11 292.7)
-
Step 900
900
#43386B
oklch(37.8% 0.085 291.7)
-
Step 950
950
#27213E
oklch(27% 0.053 291.9)
#604A9F 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) | #255AA2 | 0.080 |
| Deuteranopia (no green cones) | #2A579D | 0.075 |
| Tritanopia (no blue cones) | #505B6D | 0.107 |
| Achromatopsia (no color) | #595959 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604A9F
#604A9F
oklch(47.5% 0.133 292.5)
- #5D6100
#5D6100
oklch(47.3% 0.105 112.6)
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 #604A9F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.049
- Rebecca Purple #663399 ΔE 0.052
- Blueberry #464196 ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.063
- Iris #6258C4 ΔE 0.065
- Dusk #4E5481 ΔE 0.066
- Bluey Purple #6241C7 ΔE 0.067
- Dusky Blue #475F94 ΔE 0.069
Use #604A9F 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.