#615EA8
Closest named color: French Blue (#436BAD). oklch(51.9% 0.115 283.5), rgb(97, 94, 168).
Aa
White text reads best on this color (5.71:1).
About this color
#615EA8 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.115 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.048 away. White text reads best on it, at 5.71:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.67:1 |
| White text | 5.71:1 |
Values
| HEX | #615EA8 |
| RGB | rgb(97, 94, 168) |
| HSL | hsl(242, 30%, 51%) |
| OKLCH | oklch(51.9% 0.115 283.5) |
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 #615EA8 | 5.71:1 | AA | Lc -83.7 | Fine for body text |
| Black text on #615EA8 | 3.67:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #615EA8 text on white | 5.71:1 | AA | Lc 78.5 | Fine for body text |
| #615EA8 text on black | 3.67:1 | AA large text | Lc -23.3 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D6D7ED
oklch(88.5% 0.03 283.7)
-
Step 300
300
#BBBDE4
oklch(81% 0.055 282.8)
-
Step 400
400
#9999D7
oklch(70.6% 0.09 283.9)
-
Step 500
500
#817FCC
oklch(63.1% 0.114 283.8)
-
Step 600
600
#6B68B8
oklch(55.7% 0.122 283.4)
-
Step 700
700 (this color)
#615EA8
oklch(51.9% 0.115 283.5)
-
Step 800
800
#494681
oklch(42.6% 0.096 283.9)
-
Step 900
900
#3D3C67
oklch(37.8% 0.073 283.4)
-
Step 950
950
#23233D
oklch(27% 0.048 282.7)
#615EA8 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) | #4369AB | 0.045 |
| Deuteranopia (no green cones) | #4064A6 | 0.045 |
| Tritanopia (no blue cones) | #4C6D7B | 0.098 |
| Achromatopsia (no color) | #666666 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #615EA8
#615EA8
oklch(51.9% 0.115 283.5)
- #746B00
#746B00
oklch(52% 0.11 103.7)
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 #615EA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.048
- Iris #6258C4 ΔE 0.049
- Dusky Blue #475F94 ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.062
- Twilight #4E518B ΔE 0.064
- Dark Periwinkle #665FD1 ΔE 0.065
- Denim Blue #3B5B92 ΔE 0.065
- Light Indigo #6D5ACF ΔE 0.066
Use #615EA8 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.