#6E57AB
Closest named color: Iris (#6258C4). oklch(51.9% 0.129 294), rgb(110, 87, 171).
Aa
White text reads best on this color (5.81:1).
About this color
#6E57AB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.129 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.043 away. White text reads best on it, at 5.81:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.61:1 |
| White text | 5.81:1 |
Values
| HEX | #6E57AB |
| RGB | rgb(110, 87, 171) |
| HSL | hsl(256, 33%, 51%) |
| OKLCH | oklch(51.9% 0.129 294) |
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 #6E57AB | 5.81:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #6E57AB | 3.61:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #6E57AB text on white | 5.81:1 | AA | Lc 78.9 | Fine for body text |
| #6E57AB text on black | 3.61:1 | AA large text | Lc -22.9 | 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
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DAD5EF
oklch(88.5% 0.036 294.5)
-
Step 300
300
#C2B9E6
oklch(80.8% 0.063 294.1)
-
Step 400
400
#A494D9
oklch(70.6% 0.1 294.3)
-
Step 500
500
#8E79CF
oklch(63.2% 0.128 293.7)
-
Step 600
600
#7960BC
oklch(55.6% 0.139 293.9)
-
Step 700
700 (this color)
#6E57AB
oklch(51.9% 0.129 294)
-
Step 800
800
#534183
oklch(42.7% 0.107 294)
-
Step 900
900
#443869
oklch(37.7% 0.082 293.3)
-
Step 950
950
#28213E
oklch(27.1% 0.053 293.6)
#6E57AB 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) | #3966AE | 0.076 |
| Deuteranopia (no green cones) | #3D64A9 | 0.072 |
| Tritanopia (no blue cones) | #5F6779 | 0.104 |
| Achromatopsia (no color) | #656565 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E57AB
#6E57AB
oklch(51.9% 0.129 294)
- #686F00
#686F00
oklch(51.8% 0.116 114.1)
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 #6E57AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.043
- Slate Blue #6A5ACD ΔE 0.053
- Light Indigo #6D5ACF ΔE 0.056
- Deep Lavender #8D5EB7 ΔE 0.060
- Dark Periwinkle #665FD1 ΔE 0.061
- Muted Purple #805B87 ΔE 0.069
- Dark Lavender #856798 ΔE 0.072
- Dusky Blue #475F94 ΔE 0.073
Use #6E57AB 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.