#604EAC
Closest named color: Iris (#6258C4). oklch(49.1% 0.144 288.7), rgb(96, 78, 172).
Aa
White text reads best on this color (6.59:1).
About this color
#604EAC is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.144 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.043 away. White text reads best on it, at 6.59:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.18:1 |
| White text | 6.59:1 |
Values
| HEX | #604EAC |
| RGB | rgb(96, 78, 172) |
| HSL | hsl(251, 38%, 49%) |
| OKLCH | oklch(49.1% 0.144 288.7) |
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 #604EAC | 6.59:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #604EAC | 3.18:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #604EAC text on white | 6.59:1 | AA | Lc 82.4 | Fine for body text |
| #604EAC text on black | 3.18:1 | AA large text | Lc -19.5 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D7D6F2
oklch(88.6% 0.038 287.2)
-
Step 300
300
#BEBAEC
oklch(80.9% 0.07 288.4)
-
Step 400
400
#9E95E2
oklch(70.8% 0.111 288.6)
-
Step 500
500
#8878DA
oklch(63.1% 0.144 289.1)
-
Step 600
600
#725FC7
oklch(55.5% 0.156 288.7)
-
Step 700
700 (this color)
#604EAC
oklch(49.1% 0.144 288.7)
-
Step 800
800
#4E418B
oklch(42.7% 0.118 288.4)
-
Step 900
900
#41376F
oklch(37.6% 0.093 289.3)
-
Step 950
950
#262141
oklch(27.1% 0.058 289.1)
#604EAC 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) | #1F5FAF | 0.080 |
| Deuteranopia (no green cones) | #205BAA | 0.079 |
| Tritanopia (no blue cones) | #496275 | 0.120 |
| Achromatopsia (no color) | #5D5D5D | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604EAC
#604EAC
oklch(49.1% 0.144 288.7)
- #666500
#666500
oklch(49.1% 0.107 109.1)
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 #604EAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.043
- Bluey Purple #6241C7 ΔE 0.052
- Slate Blue #6A5ACD ΔE 0.060
- Twilight #4E518B ΔE 0.062
- Blue With A Hint Of Purple #533CC6 ΔE 0.064
- Light Indigo #6D5ACF ΔE 0.064
- Blueberry #464196 ΔE 0.065
- Rebecca Purple #663399 ΔE 0.066
Use #604EAC 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.