#6A57B2
Closest named color: Iris (#6258C4). oklch(52% 0.139 290.3), rgb(106, 87, 178).
Aa
White text reads best on this color (5.80:1).
About this color
#6A57B2 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.139 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.031 away. White text reads best on it, at 5.80:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.61:1 |
| White text | 5.80:1 |
Values
| HEX | #6A57B2 |
| RGB | rgb(106, 87, 178) |
| HSL | hsl(253, 37%, 52%) |
| OKLCH | oklch(52% 0.139 290.3) |
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 #6A57B2 | 5.80:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #6A57B2 | 3.61:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #6A57B2 text on white | 5.80:1 | AA | Lc 78.8 | Fine for body text |
| #6A57B2 text on black | 3.61:1 | AA large text | Lc -23.0 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D5F1
oklch(88.4% 0.038 290.5)
-
Step 300
300
#C0BAEA
oklch(81% 0.067 290.5)
-
Step 400
400
#A095DF
oklch(70.8% 0.107 290.2)
-
Step 500
500
#8A79D6
oklch(63.2% 0.137 290.3)
-
Step 600
600
#7560C3
oklch(55.7% 0.149 290.5)
-
Step 700
700 (this color)
#6A57B2
oklch(52% 0.139 290.3)
-
Step 800
800
#504189
oklch(42.8% 0.115 290.2)
-
Step 900
900
#42376D
oklch(37.6% 0.09 290.8)
-
Step 950
950
#262140
oklch(27% 0.057 289.5)
#6A57B2 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) | #3167B5 | 0.077 |
| Deuteranopia (no green cones) | #3363B0 | 0.074 |
| Tritanopia (no blue cones) | #566A7C | 0.116 |
| Achromatopsia (no color) | #656565 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A57B2
#6A57B2
oklch(52% 0.139 290.3)
- #6D6E00
#6D6E00
oklch(52% 0.114 110.4)
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 #6A57B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.031
- Slate Blue #6A5ACD ΔE 0.042
- Light Indigo #6D5ACF ΔE 0.045
- Dark Periwinkle #665FD1 ΔE 0.050
- Deep Lavender #8D5EB7 ΔE 0.064
- Bluey Purple #6241C7 ΔE 0.064
- French Blue #436BAD ΔE 0.071
- Dusky Blue #475F94 ΔE 0.075
Use #6A57B2 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.