#604FA7
Closest named color: Iris (#6258C4). oklch(48.9% 0.136 289.3), rgb(96, 79, 167).
Aa
White text reads best on this color (6.61:1).
About this color
#604FA7 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.136 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.049 away. White text reads best on it, at 6.61:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.17:1 |
| White text | 6.61:1 |
Values
| HEX | #604FA7 |
| RGB | rgb(96, 79, 167) |
| HSL | hsl(252, 36%, 48%) |
| OKLCH | oklch(48.9% 0.136 289.3) |
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 #604FA7 | 6.61:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #604FA7 | 3.17:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #604FA7 text on white | 6.61:1 | AA | Lc 82.5 | Fine for body text |
| #604FA7 text on black | 3.17:1 | AA large text | Lc -19.4 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D6F0
oklch(88.6% 0.036 289.2)
-
Step 300
300
#BFBAE9
oklch(80.9% 0.066 289.7)
-
Step 400
400
#9F95DE
oklch(70.6% 0.106 289.7)
-
Step 500
500
#887AD5
oklch(63.2% 0.134 289)
-
Step 600
600
#7361C2
oklch(55.6% 0.146 289.3)
-
Step 700
700 (this color)
#604FA7
oklch(48.9% 0.136 289.3)
-
Step 800
800
#4F4288
oklch(42.8% 0.112 289.3)
-
Step 900
900
#41386D
oklch(37.7% 0.088 289.2)
-
Step 950
950
#262140
oklch(27% 0.057 289.5)
#604FA7 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) | #285FAA | 0.075 |
| Deuteranopia (no green cones) | #295BA5 | 0.072 |
| Tritanopia (no blue cones) | #4C6173 | 0.112 |
| Achromatopsia (no color) | #5D5D5D | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604FA7
#604FA7
oklch(48.9% 0.136 289.3)
- #656400
#656400
oklch(48.8% 0.106 109.1)
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 #604FA7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.049
- Twilight #4E518B ΔE 0.055
- Bluey Purple #6241C7 ΔE 0.061
- Blueberry #464196 ΔE 0.063
- Rebecca Purple #663399 ΔE 0.065
- Dusky Blue #475F94 ΔE 0.066
- Slate Blue #6A5ACD ΔE 0.066
- Light Indigo #6D5ACF ΔE 0.070
Use #604FA7 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.