#7B57B1
Closest named color: Deep Lavender (#8D5EB7). oklch(53.6% 0.139 300.2), rgb(123, 87, 177).
Aa
White text reads best on this color (5.46:1).
About this color
#7B57B1 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 54%, its chroma 0.139 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.038 away. White text reads best on it, at 5.46:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #7B57B1 |
| RGB | rgb(123, 87, 177) |
| HSL | hsl(264, 37%, 52%) |
| OKLCH | oklch(53.6% 0.139 300.2) |
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 #7B57B1 | 5.46:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #7B57B1 | 3.84:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #7B57B1 text on white | 5.46:1 | AA | Lc 77.1 | Fine for body text |
| #7B57B1 text on black | 3.84:1 | AA large text | Lc -24.7 | 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 600.
-
Step 50
50
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE7F4
oklch(93.5% 0.018 300.1)
-
Step 200
200
#DCD4ED
oklch(88.4% 0.035 300.3)
-
Step 300
300
#C7B8E4
oklch(80.9% 0.063 300.6)
-
Step 400
400
#AA92D6
oklch(70.7% 0.1 300.1)
-
Step 500
500
#9676CB
oklch(63.1% 0.128 300.1)
-
Step 600
600 (this color)
#7B57B1
oklch(53.6% 0.139 300.2)
-
Step 700
700
#6D4C9E
oklch(49.1% 0.13 300.3)
-
Step 800
800
#593F80
oklch(42.7% 0.107 300.4)
-
Step 900
900
#493667
oklch(37.7% 0.084 300.3)
-
Step 950
950
#2B203C
oklch(27.1% 0.052 301.1)
#7B57B1 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) | #3969B4 | 0.096 |
| Deuteranopia (no green cones) | #4269AF | 0.089 |
| Tritanopia (no blue cones) | #70687C | 0.107 |
| Achromatopsia (no color) | #696969 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B57B1
#7B57B1
oklch(53.6% 0.139 300.2)
- #647700
#647700
oklch(53.5% 0.127 120.1)
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 #7B57B1, closest first.
No curated palette has a color within ΔE 0.04 of #7B57B1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.038
- Iris #6258C4 ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.051
- Light Indigo #6D5ACF ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.060
- Amethyst #9B5FC0 ΔE 0.064
- Dark Lavender #856798 ΔE 0.067
- Purply #983FB2 ΔE 0.069
Use #7B57B1 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.