#604F87
Closest named color: Twilight (#4E518B). oklch(46.9% 0.09 296.8), rgb(96, 79, 135).
Aa
White text reads best on this color (7.08:1).
About this color
#604F87 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.090 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.029 away. White text reads best on it, at 7.08:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #604F87 |
| RGB | rgb(96, 79, 135) |
| HSL | hsl(258, 26%, 42%) |
| OKLCH | oklch(46.9% 0.09 296.8) |
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 #604F87 | 7.08:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #604F87 | 2.96:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #604F87 text on white | 7.08:1 | AAA | Lc 84.5 | Fine for body text |
| #604F87 text on black | 2.96:1 | Fails | Lc -17.5 | 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EAE8F1
oklch(93.5% 0.012 296.3)
-
Step 200
200
#DAD6E8
oklch(88.5% 0.025 296.1)
-
Step 300
300
#C3BBDA
oklch(80.8% 0.044 297.2)
-
Step 400
400
#A598C7
oklch(70.7% 0.069 297.3)
-
Step 500
500
#8F7EB9
oklch(63.1% 0.089 297)
-
Step 600
600
#7967A5
oklch(55.7% 0.096 296.5)
-
Step 700
700 (this color)
#604F87
oklch(46.9% 0.09 296.8)
-
Step 800
800
#534673
oklch(42.7% 0.074 296.4)
-
Step 900
900
#453B5D
oklch(37.8% 0.058 297.1)
-
Step 950
950
#282336
oklch(27.1% 0.035 296)
#604F87 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) | #3F5989 | 0.053 |
| Deuteranopia (no green cones) | #425886 | 0.049 |
| Tritanopia (no blue cones) | #585964 | 0.073 |
| Achromatopsia (no color) | #585858 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604F87
#604F87
oklch(46.9% 0.09 296.8)
- #58611E
#58611E
oklch(47% 0.09 116.5)
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 #604F87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.029
- Dusk #4E5481 ΔE 0.033
- Dusty Grape #545775 ΔE 0.046
- Dusky Blue #475F94 ΔE 0.054
- Denim Blue #3B5B92 ΔE 0.059
- YInMn Blue #415A77 ΔE 0.064
- Blueberry #464196 ΔE 0.067
- Muted Purple #805B87 ΔE 0.068
Use #604F87 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.