#7F57CC
Closest named color: Light Indigo (#6D5ACF). oklch(55.7% 0.174 296), rgb(127, 87, 204).
Aa
White text reads best on this color (5.07:1).
About this color
#7F57CC is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.174 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.030 away. White text reads best on it, at 5.07:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.13:1 |
| White text | 5.07:1 |
Values
| HEX | #7F57CC |
| RGB | rgb(127, 87, 204) |
| HSL | hsl(261, 53%, 57%) |
| OKLCH | oklch(55.7% 0.174 296) |
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 #7F57CC | 5.07:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #7F57CC | 4.13:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #7F57CC text on white | 5.07:1 | AA | Lc 74.7 | Content text, not long reading |
| #7F57CC text on black | 4.13:1 | AA large text | Lc -27.0 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F8
oklch(93.6% 0.023 296.7)
-
Step 200
200
#DBD4F3
oklch(88.5% 0.043 295.9)
-
Step 300
300
#C5B7EE
oklch(81% 0.078 296.3)
-
Step 400
400
#A88FE6
oklch(70.7% 0.127 296.2)
-
Step 500
500
#9371DE
oklch(63% 0.16 295.8)
-
Step 600
600 (this color)
#7F57CC
oklch(55.7% 0.174 296)
-
Step 700
700
#6B46B0
oklch(49.1% 0.162 296)
-
Step 800
800
#573A8F
oklch(42.7% 0.135 295.9)
-
Step 900
900
#473372
oklch(37.7% 0.105 295.6)
-
Step 950
950
#2A1E43
oklch(27% 0.067 296.6)
#7F57CC 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) | #186FD0 | 0.120 |
| Deuteranopia (no green cones) | #296DC9 | 0.112 |
| Tritanopia (no blue cones) | #6C7089 | 0.138 |
| Achromatopsia (no color) | #6E6E6E | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F57CC
#7F57CC
oklch(55.7% 0.174 296)
- #707C00
#707C00
oklch(55.7% 0.128 116.3)
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 #7F57CC, closest first.
No curated palette has a color within ΔE 0.04 of #7F57CC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.030
- Slate Blue #6A5ACD ΔE 0.034
- Purpley #8756E4 ΔE 0.039
- Dark Periwinkle #665FD1 ΔE 0.042
- Deep Lavender #8D5EB7 ΔE 0.047
- Iris #6258C4 ΔE 0.049
- Amethyst #9B5FC0 ΔE 0.059
- Medium Slate Blue #7B68EE ΔE 0.061
Use #7F57CC 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.