#604387
Closest named color: Twilight (#4E518B). oklch(44.7% 0.111 301.8), rgb(96, 67, 135).
Aa
White text reads best on this color (7.92:1).
About this color
#604387 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.111 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.045 away. White text reads best on it, at 7.92:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.65:1 |
| White text | 7.92:1 |
Values
| HEX | #604387 |
| RGB | rgb(96, 67, 135) |
| HSL | hsl(266, 34%, 40%) |
| OKLCH | oklch(44.7% 0.111 301.8) |
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 #604387 | 7.92:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #604387 | 2.65:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #604387 text on white | 7.92:1 | AAA | Lc 87.3 | Fine for body text |
| #604387 text on black | 2.65:1 | Fails | Lc -14.8 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F5
oklch(93.6% 0.019 302.2)
-
Step 200
200
#DDD4EE
oklch(88.5% 0.037 301.4)
-
Step 300
300
#C8B7E4
oklch(80.8% 0.065 302.2)
-
Step 400
400
#AC91D7
oklch(70.7% 0.104 301.5)
-
Step 500
500
#9874CC
oklch(63% 0.133 301.6)
-
Step 600
600
#835BB9
oklch(55.6% 0.145 301.5)
-
Step 700
700
#6F4A9F
oklch(49% 0.135 301.7)
-
Step 800
800 (this color)
#604387
oklch(44.7% 0.111 301.8)
-
Step 900
900
#4A3568
oklch(37.7% 0.087 301.3)
-
Step 950
950
#2B1F3D
oklch(26.9% 0.056 301.2)
#604387 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) | #2E5189 | 0.078 |
| Deuteranopia (no green cones) | #355185 | 0.072 |
| Tritanopia (no blue cones) | #594F5E | 0.085 |
| Achromatopsia (no color) | #515151 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604387
#604387
oklch(44.7% 0.111 301.8)
- #4B5D00
#4B5D00
oklch(44.7% 0.108 121.8)
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 #604387, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.045
- Dark Slate Blue #483D8B ΔE 0.048
- Rebecca Purple #663399 ΔE 0.050
- Blueberry #464196 ΔE 0.052
- Dusk #4E5481 ΔE 0.055
- Dusty Grape #545775 ΔE 0.071
- Light Eggplant #894585 ΔE 0.078
- Denim Blue #3B5B92 ΔE 0.079
Use #604387 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.