#6F57AE
Closest named color: Iris (#6258C4). oklch(52.2% 0.134 294), rgb(111, 87, 174).
Aa
White text reads best on this color (5.75:1).
About this color
#6F57AE is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.134 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.040 away. White text reads best on it, at 5.75:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.65:1 |
| White text | 5.75:1 |
Values
| HEX | #6F57AE |
| RGB | rgb(111, 87, 174) |
| HSL | hsl(257, 35%, 51%) |
| OKLCH | oklch(52.2% 0.134 294) |
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 #6F57AE | 5.75:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #6F57AE | 3.65:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #6F57AE text on white | 5.75:1 | AA | Lc 78.6 | Fine for body text |
| #6F57AE text on black | 3.65:1 | AA large text | Lc -23.2 | 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
#DAD5EF
oklch(88.5% 0.036 294.5)
-
Step 300
300
#C2B9E7
oklch(80.8% 0.065 293.9)
-
Step 400
400
#A494DB
oklch(70.7% 0.103 293.9)
-
Step 500
500
#8F78D1
oklch(63.2% 0.132 294.2)
-
Step 600
600
#795FBE
oklch(55.6% 0.144 293.8)
-
Step 700
700 (this color)
#6F57AE
oklch(52.2% 0.134 294)
-
Step 800
800
#534085
oklch(42.6% 0.111 293.8)
-
Step 900
900
#45376A
oklch(37.7% 0.086 294.6)
-
Step 950
950
#28213E
oklch(27.1% 0.053 293.6)
#6F57AE 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) | #3767B1 | 0.079 |
| Deuteranopia (no green cones) | #3B64AC | 0.075 |
| Tritanopia (no blue cones) | #60687A | 0.108 |
| Achromatopsia (no color) | #666666 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F57AE
#6F57AE
oklch(52.2% 0.134 294)
- #697000
#697000
oklch(52.1% 0.117 114)
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 #6F57AE, closest first.
No curated palette has a color within ΔE 0.04 of #6F57AE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.040
- Slate Blue #6A5ACD ΔE 0.049
- Light Indigo #6D5ACF ΔE 0.051
- Dark Periwinkle #665FD1 ΔE 0.057
- Deep Lavender #8D5EB7 ΔE 0.057
- Bluey Purple #6241C7 ΔE 0.072
- Muted Purple #805B87 ΔE 0.072
- Dark Lavender #856798 ΔE 0.073
Use #6F57AE 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.