#604E8F
Closest named color: Twilight (#4E518B). oklch(47.2% 0.104 294.9), rgb(96, 78, 143).
Aa
White text reads best on this color (7.03:1).
About this color
#604E8F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.104 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.030 away. White text reads best on it, at 7.03:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #604E8F |
| RGB | rgb(96, 78, 143) |
| HSL | hsl(257, 29%, 43%) |
| OKLCH | oklch(47.2% 0.104 294.9) |
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 #604E8F | 7.03:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #604E8F | 2.98:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #604E8F text on white | 7.03:1 | AAA | Lc 84.3 | Fine for body text |
| #604E8F text on black | 2.98:1 | Fails | Lc -17.7 | 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
#F6F5FA
oklch(97.2% 0.007 295.5)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#DAD6EA
oklch(88.5% 0.028 295)
-
Step 300
300
#C2BBDE
oklch(80.9% 0.049 294.4)
-
Step 400
400
#A497CE
oklch(70.7% 0.08 295.1)
-
Step 500
500
#8E7DC1
oklch(63.2% 0.102 294.8)
-
Step 600
600
#7865AD
oklch(55.6% 0.111 294.7)
-
Step 700
700 (this color)
#604E8F
oklch(47.2% 0.104 294.9)
-
Step 800
800
#534479
oklch(42.7% 0.087 295.5)
-
Step 900
900
#443A61
oklch(37.7% 0.066 294.8)
-
Step 950
950
#282239
oklch(27% 0.043 295.4)
#604E8F 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) | #3A5991 | 0.059 |
| Deuteranopia (no green cones) | #3C588D | 0.057 |
| Tritanopia (no blue cones) | #555A67 | 0.084 |
| Achromatopsia (no color) | #595959 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604E8F
#604E8F
oklch(47.2% 0.104 294.9)
- #5A6208
#5A6208
oklch(47.3% 0.104 115.3)
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 #604E8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.030
- Dusk #4E5481 ΔE 0.042
- Dusky Blue #475F94 ΔE 0.055
- Dusty Grape #545775 ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.059
- Blueberry #464196 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.064
- Rebecca Purple #663399 ΔE 0.068
Use #604E8F 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.