#604FAA
Closest named color: Iris (#6258C4). oklch(49.1% 0.14 288.8), rgb(96, 79, 170).
Aa
White text reads best on this color (6.57:1).
About this color
#604FAA is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.140 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.045 away. White text reads best on it, at 6.57:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.19:1 |
| White text | 6.57:1 |
Values
| HEX | #604FAA |
| RGB | rgb(96, 79, 170) |
| HSL | hsl(251, 37%, 49%) |
| OKLCH | oklch(49.1% 0.14 288.8) |
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 #604FAA | 6.57:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #604FAA | 3.19:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #604FAA text on white | 6.57:1 | AA | Lc 82.3 | Fine for body text |
| #604FAA text on black | 3.19:1 | AA large text | Lc -19.6 | 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
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D8D6F1
oklch(88.6% 0.037 289)
-
Step 300
300
#BEBAEA
oklch(80.8% 0.067 288.6)
-
Step 400
400
#9E95E0
oklch(70.7% 0.108 288.8)
-
Step 500
500
#8879D7
oklch(63.1% 0.138 289.1)
-
Step 600
600
#7260C5
oklch(55.6% 0.151 288.7)
-
Step 700
700 (this color)
#604FAA
oklch(49.1% 0.14 288.8)
-
Step 800
800
#4E418A
oklch(42.7% 0.117 288.6)
-
Step 900
900
#41386E
oklch(37.8% 0.09 289)
-
Step 950
950
#262140
oklch(27% 0.057 289.5)
#604FAA 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) | #245FAD | 0.077 |
| Deuteranopia (no green cones) | #255BA8 | 0.075 |
| Tritanopia (no blue cones) | #4A6275 | 0.115 |
| Achromatopsia (no color) | #5D5D5D | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604FAA
#604FAA
oklch(49.1% 0.14 288.8)
- #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 #604FAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.045
- Bluey Purple #6241C7 ΔE 0.056
- Twilight #4E518B ΔE 0.059
- Slate Blue #6A5ACD ΔE 0.062
- Blueberry #464196 ΔE 0.065
- Light Indigo #6D5ACF ΔE 0.066
- Rebecca Purple #663399 ΔE 0.067
- Blue With A Hint Of Purple #533CC6 ΔE 0.068
Use #604FAA 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.