#615CC9
Closest named color: Iris (#6258C4). oklch(53.7% 0.164 281.4), rgb(97, 92, 201).
Aa
White text reads best on this color (5.40:1).
About this color
#615CC9 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.164 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.012 away. White text reads best on it, at 5.40:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.88:1 |
| White text | 5.40:1 |
Values
| HEX | #615CC9 |
| RGB | rgb(97, 92, 201) |
| HSL | hsl(243, 50%, 57%) |
| OKLCH | oklch(53.7% 0.164 281.4) |
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 #615CC9 | 5.40:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #615CC9 | 3.88:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #615CC9 text on white | 5.40:1 | AA | Lc 76.7 | Fine for body text |
| #615CC9 text on black | 3.88:1 | AA large text | Lc -25.1 | 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 600.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F8
oklch(93.7% 0.02 279.9)
-
Step 200
200
#D4D7F4
oklch(88.6% 0.04 280.9)
-
Step 300
300
#B8BCF0
oklch(81% 0.073 281.2)
-
Step 400
400
#9497E8
oklch(70.6% 0.118 281.3)
-
Step 500
500
#7C7BE2
oklch(63.1% 0.152 281.6)
-
Step 600
600 (this color)
#615CC9
oklch(53.7% 0.164 281.4)
-
Step 700
700
#5550B4
oklch(49.1% 0.154 281.4)
-
Step 800
800
#454291
oklch(42.6% 0.127 281.3)
-
Step 900
900
#3A3974
oklch(37.7% 0.098 281.4)
-
Step 950
950
#222244
oklch(27.1% 0.062 281.4)
#615CC9 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) | #1B6ECD | 0.074 |
| Deuteranopia (no green cones) | #0966C7 | 0.077 |
| Tritanopia (no blue cones) | #367589 | 0.143 |
| Achromatopsia (no color) | #6A6A6A | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #615CC9
#615CC9
oklch(53.7% 0.164 281.4)
- #7C6F00
#7C6F00
oklch(53.7% 0.112 101.3)
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 #615CC9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.012
- Slate Blue #6A5ACD ΔE 0.015
- Dark Periwinkle #665FD1 ΔE 0.016
- Light Indigo #6D5ACF ΔE 0.021
- Warm Blue #4B57DB ΔE 0.044
- Royal Blue #4169E1 ΔE 0.057
- Bluey Purple #6241C7 ΔE 0.059
- Neon Blue #4361EE ΔE 0.067
Use #615CC9 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.