#604EC7
Closest named color: Iris (#6258C4). oklch(51% 0.18 284.8), rgb(96, 78, 199).
Aa
White text reads best on this color (6.15:1).
About this color
#604EC7 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.180 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.025 away. White text reads best on it, at 6.15:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.180) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.41:1 |
| White text | 6.15:1 |
Values
| HEX | #604EC7 |
| RGB | rgb(96, 78, 199) |
| HSL | hsl(249, 52%, 54%) |
| OKLCH | oklch(51% 0.18 284.8) |
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 #604EC7 | 6.15:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #604EC7 | 3.41:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #604EC7 text on white | 6.15:1 | AA | Lc 80.3 | Fine for body text |
| #604EC7 text on black | 3.41:1 | AA large text | Lc -21.5 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D5D5F9
oklch(88.4% 0.049 285.3)
-
Step 300
300
#BAB9F7
oklch(80.8% 0.087 285)
-
Step 400
400
#9893F4
oklch(70.8% 0.14 284.6)
-
Step 500
500
#8174EF
oklch(63.1% 0.178 284.9)
-
Step 600
600
#6C59DE
oklch(55.6% 0.194 284.6)
-
Step 700
700 (this color)
#604EC7
oklch(51% 0.18 284.8)
-
Step 800
800
#4A3C9C
oklch(42.7% 0.15 284.8)
-
Step 900
900
#3D357C
oklch(37.8% 0.116 284.5)
-
Step 950
950
#241F48
oklch(26.9% 0.074 285.9)
#604EC7 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) | #0065CB | 0.090 |
| Deuteranopia (no green cones) | #005EC5 | 0.087 |
| Tritanopia (no blue cones) | #386B83 | 0.152 |
| Achromatopsia (no color) | #616161 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604EC7
#604EC7
oklch(51% 0.18 284.8)
- #706900
#706900
oklch(51.1% 0.108 105)
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 #604EC7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.025
- Bluey Purple #6241C7 ΔE 0.027
- Slate Blue #6A5ACD ΔE 0.034
- Light Indigo #6D5ACF ΔE 0.038
- Dark Periwinkle #665FD1 ΔE 0.044
- Warm Blue #4B57DB ΔE 0.045
- Blue With A Hint Of Purple #533CC6 ΔE 0.046
- Blurple #5539CC ΔE 0.049
Use #604EC7 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.