#604688
Closest named color: Twilight (#4E518B). oklch(45.3% 0.107 300.4), rgb(96, 70, 136).
Aa
White text reads best on this color (7.69:1).
About this color
#604688 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.107 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.039 away. White text reads best on it, at 7.69:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #604688 |
| RGB | rgb(96, 70, 136) |
| HSL | hsl(264, 32%, 40%) |
| OKLCH | oklch(45.3% 0.107 300.4) |
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 #604688 | 7.69:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #604688 | 2.72:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #604688 text on white | 7.69:1 | AAA | Lc 86.6 | Fine for body text |
| #604688 text on black | 2.72:1 | Fails | Lc -15.5 | 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 800.
-
Step 50
50
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE7F4
oklch(93.5% 0.018 300.1)
-
Step 200
200
#DCD4ED
oklch(88.4% 0.035 300.3)
-
Step 300
300
#C7B8E4
oklch(80.9% 0.063 300.6)
-
Step 400
400
#AA92D6
oklch(70.7% 0.1 300.1)
-
Step 500
500
#9676CB
oklch(63.1% 0.128 300.1)
-
Step 600
600
#815DB7
oklch(55.6% 0.139 300.4)
-
Step 700
700
#6D4C9E
oklch(49.1% 0.13 300.3)
-
Step 800
800 (this color)
#604688
oklch(45.3% 0.107 300.4)
-
Step 900
900
#493667
oklch(37.7% 0.084 300.3)
-
Step 950
950
#2B203C
oklch(27.1% 0.052 301.1)
#604688 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) | #32538A | 0.072 |
| Deuteranopia (no green cones) | #385386 | 0.067 |
| Tritanopia (no blue cones) | #585260 | 0.084 |
| Achromatopsia (no color) | #535353 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604688
#604688
oklch(45.3% 0.107 300.4)
- #4E5E01
#4E5E01
oklch(45.2% 0.107 120.5)
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 #604688, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.039
- Dusk #4E5481 ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.051
- Blueberry #464196 ΔE 0.054
- Rebecca Purple #663399 ΔE 0.055
- Dusty Grape #545775 ΔE 0.065
- Denim Blue #3B5B92 ΔE 0.073
- Dusky Blue #475F94 ΔE 0.073
Use #604688 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.