#615BA8
Closest named color: Iris (#6258C4). oklch(51.3% 0.119 284.9), rgb(97, 91, 168).
Aa
White text reads best on this color (5.88:1).
About this color
#615BA8 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 51%, its chroma 0.119 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.046 away. White text reads best on it, at 5.88:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.57:1 |
| White text | 5.88:1 |
Values
| HEX | #615BA8 |
| RGB | rgb(97, 91, 168) |
| HSL | hsl(245, 31%, 51%) |
| OKLCH | oklch(51.3% 0.119 284.9) |
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 #615BA8 | 5.88:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #615BA8 | 3.57:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #615BA8 text on white | 5.88:1 | AA | Lc 79.3 | Fine for body text |
| #615BA8 text on black | 3.57:1 | AA large text | Lc -22.5 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D6D7EE
oklch(88.5% 0.031 283.8)
-
Step 300
300
#BCBCE5
oklch(80.9% 0.058 285)
-
Step 400
400
#9A99D8
oklch(70.8% 0.091 284.5)
-
Step 500
500
#827ECE
oklch(63% 0.119 284.7)
-
Step 600
600
#6D66BB
oklch(55.6% 0.129 285.1)
-
Step 700
700 (this color)
#615BA8
oklch(51.3% 0.119 284.9)
-
Step 800
800
#4A4582
oklch(42.6% 0.099 285.1)
-
Step 900
900
#3E3B69
oklch(37.8% 0.077 285)
-
Step 950
950
#24233D
oklch(27.1% 0.048 284.5)
#615BA8 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) | #3E67AB | 0.051 |
| Deuteranopia (no green cones) | #3C62A6 | 0.050 |
| Tritanopia (no blue cones) | #4C6B79 | 0.103 |
| Achromatopsia (no color) | #646464 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #615BA8
#615BA8
oklch(51.3% 0.119 284.9)
- #716A00
#716A00
oklch(51.4% 0.109 105.1)
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 #615BA8, closest first.
No curated palette has a color within ΔE 0.04 of #615BA8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.046
- Dusky Blue #475F94 ΔE 0.052
- French Blue #436BAD ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.060
- Twilight #4E518B ΔE 0.060
- Denim Blue #3B5B92 ΔE 0.064
- Light Indigo #6D5ACF ΔE 0.064
- Dark Periwinkle #665FD1 ΔE 0.064
Use #615BA8 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.