#6D57A7
Closest named color: Iris (#6258C4). oklch(51.6% 0.124 294.3), rgb(109, 87, 167).
Aa
White text reads best on this color (5.87:1).
About this color
#6D57A7 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.124 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.049 away. White text reads best on it, at 5.87:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.57:1 |
| White text | 5.87:1 |
Values
| HEX | #6D57A7 |
| RGB | rgb(109, 87, 167) |
| HSL | hsl(257, 31%, 50%) |
| OKLCH | oklch(51.6% 0.124 294.3) |
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 #6D57A7 | 5.87:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #6D57A7 | 3.57:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #6D57A7 text on white | 5.87:1 | AA | Lc 79.3 | Fine for body text |
| #6D57A7 text on black | 3.57:1 | AA large text | Lc -22.6 | 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
#F5F4FA
oklch(97% 0.008 293.9)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DAD5EE
oklch(88.5% 0.034 294.9)
-
Step 300
300
#C2BAE4
oklch(80.9% 0.059 293.8)
-
Step 400
400
#A495D7
oklch(70.7% 0.096 294.2)
-
Step 500
500
#8E79CC
oklch(63% 0.123 294.2)
-
Step 600
600
#7961B9
oklch(55.6% 0.134 294.2)
-
Step 700
700 (this color)
#6D57A7
oklch(51.6% 0.124 294.3)
-
Step 800
800
#534281
oklch(42.8% 0.102 294.1)
-
Step 900
900
#443867
oklch(37.6% 0.079 294)
-
Step 950
950
#28213D
oklch(27% 0.052 294.2)
#6D57A7 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) | #3B65AA | 0.073 |
| Deuteranopia (no green cones) | #3F63A5 | 0.068 |
| Tritanopia (no blue cones) | #5F6677 | 0.100 |
| Achromatopsia (no color) | #646464 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D57A7
#6D57A7
oklch(51.6% 0.124 294.3)
- #676E00
#676E00
oklch(51.5% 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 #6D57A7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.049
- Slate Blue #6A5ACD ΔE 0.059
- Light Indigo #6D5ACF ΔE 0.062
- Deep Lavender #8D5EB7 ΔE 0.063
- Muted Purple #805B87 ΔE 0.064
- Dark Periwinkle #665FD1 ΔE 0.066
- Dusky Blue #475F94 ΔE 0.068
- Twilight #4E518B ΔE 0.069
Use #6D57A7 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.