#7A57BC
Closest named color: Light Indigo (#6D5ACF). oklch(54.2% 0.153 297), rgb(122, 87, 188).
Aa
White text reads best on this color (5.36:1).
About this color
#7A57BC is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.153 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.036 away. White text reads best on it, at 5.36:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.91:1 |
| White text | 5.36:1 |
Values
| HEX | #7A57BC |
| RGB | rgb(122, 87, 188) |
| HSL | hsl(261, 43%, 54%) |
| OKLCH | oklch(54.2% 0.153 297) |
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 #7A57BC | 5.36:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #7A57BC | 3.91:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #7A57BC text on white | 5.36:1 | AA | Lc 76.4 | Fine for body text |
| #7A57BC text on black | 3.91:1 | AA large text | Lc -25.3 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DBD4F0
oklch(88.4% 0.039 297)
-
Step 300
300
#C5B8E8
oklch(80.9% 0.068 297.3)
-
Step 400
400
#A892DD
oklch(70.8% 0.11 297)
-
Step 500
500
#9375D4
oklch(63.2% 0.141 296.7)
-
Step 600
600 (this color)
#7A57BC
oklch(54.2% 0.153 297)
-
Step 700
700
#6B4AA6
oklch(49% 0.143 297.4)
-
Step 800
800
#573E87
oklch(42.8% 0.118 296.9)
-
Step 900
900
#47356C
oklch(37.6% 0.092 296.8)
-
Step 950
950
#2A203F
oklch(27.1% 0.057 297.3)
#7A57BC 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) | #2E6BBF | 0.102 |
| Deuteranopia (no green cones) | #3769BA | 0.096 |
| Tritanopia (no blue cones) | #6B6B81 | 0.120 |
| Achromatopsia (no color) | #6B6B6B | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7A57BC
#7A57BC
oklch(54.2% 0.153 297)
- #6B7800
#6B7800
oklch(54.3% 0.125 117)
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 #7A57BC, closest first.
No curated palette has a color within ΔE 0.04 of #7A57BC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.036
- Slate Blue #6A5ACD ΔE 0.037
- Deep Lavender #8D5EB7 ΔE 0.040
- Iris #6258C4 ΔE 0.041
- Dark Periwinkle #665FD1 ΔE 0.046
- Amethyst #9B5FC0 ΔE 0.063
- Purpley #8756E4 ΔE 0.065
- Purply #983FB2 ΔE 0.070
Use #7A57BC 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.