#6B57AE
Closest named color: Iris (#6258C4). oklch(51.8% 0.134 291.6), rgb(107, 87, 174).
Aa
White text reads best on this color (5.83:1).
About this color
#6B57AE is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.134 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.037 away. White text reads best on it, at 5.83:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.59:1 |
| White text | 5.83:1 |
Values
| HEX | #6B57AE |
| RGB | rgb(107, 87, 174) |
| HSL | hsl(254, 35%, 51%) |
| OKLCH | oklch(51.8% 0.134 291.6) |
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 #6B57AE | 5.83:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #6B57AE | 3.59:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #6B57AE text on white | 5.83:1 | AA | Lc 79.0 | Fine for body text |
| #6B57AE text on black | 3.59:1 | AA large text | Lc -22.8 | 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
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#D9D5F0
oklch(88.4% 0.037 292.4)
-
Step 300
300
#C1BAE8
oklch(81% 0.065 291.9)
-
Step 400
400
#A195DC
oklch(70.7% 0.103 291.3)
-
Step 500
500
#8B79D2
oklch(63.1% 0.132 291.5)
-
Step 600
600
#7660BF
oklch(55.5% 0.143 291.7)
-
Step 700
700 (this color)
#6B57AE
oklch(51.8% 0.134 291.6)
-
Step 800
800
#514186
oklch(42.7% 0.111 291.7)
-
Step 900
900
#43386B
oklch(37.8% 0.085 291.7)
-
Step 950
950
#27213F
oklch(27% 0.055 291.5)
#6B57AE 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) | #3566B1 | 0.075 |
| Deuteranopia (no green cones) | #3863AC | 0.071 |
| Tritanopia (no blue cones) | #5A687A | 0.109 |
| Achromatopsia (no color) | #656565 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B57AE
#6B57AE
oklch(51.8% 0.134 291.6)
- #6B6E00
#6B6E00
oklch(51.8% 0.114 111.7)
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 #6B57AE, closest first.
No curated palette has a color within ΔE 0.04 of #6B57AE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.037
- Slate Blue #6A5ACD ΔE 0.048
- Light Indigo #6D5ACF ΔE 0.051
- Dark Periwinkle #665FD1 ΔE 0.056
- Deep Lavender #8D5EB7 ΔE 0.063
- Bluey Purple #6241C7 ΔE 0.069
- French Blue #436BAD ΔE 0.071
- Dusky Blue #475F94 ΔE 0.072
Use #6B57AE 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.