#7557B7
Closest named color: Iris (#6258C4). oklch(53.4% 0.146 295.4), rgb(117, 87, 183).
Aa
White text reads best on this color (5.52:1).
About this color
#7557B7 is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.146 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.037 away. White text reads best on it, at 5.52:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.80:1 |
| White text | 5.52:1 |
Values
| HEX | #7557B7 |
| RGB | rgb(117, 87, 183) |
| HSL | hsl(259, 40%, 53%) |
| OKLCH | oklch(53.4% 0.146 295.4) |
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 #7557B7 | 5.52:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #7557B7 | 3.80:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #7557B7 text on white | 5.52:1 | AA | Lc 77.3 | Fine for body text |
| #7557B7 text on black | 3.80:1 | AA large text | Lc -24.4 | 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
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DAD5EF
oklch(88.5% 0.036 294.5)
-
Step 300
300
#C3B9E7
oklch(80.9% 0.065 294.9)
-
Step 400
400
#A693DB
oklch(70.7% 0.105 295.7)
-
Step 500
500
#9177D1
oklch(63.2% 0.134 295.6)
-
Step 600
600 (this color)
#7557B7
oklch(53.4% 0.146 295.4)
-
Step 700
700
#684DA4
oklch(49.1% 0.135 295.3)
-
Step 800
800
#553F85
oklch(42.6% 0.113 295.7)
-
Step 900
900
#46366B
oklch(37.7% 0.089 295.7)
-
Step 950
950
#29203E
oklch(27% 0.055 296.3)
#7557B7 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) | #3169BA | 0.093 |
| Deuteranopia (no green cones) | #3867B5 | 0.087 |
| Tritanopia (no blue cones) | #656A7F | 0.116 |
| Achromatopsia (no color) | #696969 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7557B7
#7557B7
oklch(53.4% 0.146 295.4)
- #6B7400
#6B7400
oklch(53.3% 0.121 115)
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 #7557B7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.037
- Slate Blue #6A5ACD ΔE 0.038
- Light Indigo #6D5ACF ΔE 0.039
- Deep Lavender #8D5EB7 ΔE 0.047
- Dark Periwinkle #665FD1 ΔE 0.048
- Bluey Purple #6241C7 ΔE 0.068
- Amethyst #9B5FC0 ΔE 0.072
- Purpley #8756E4 ΔE 0.075
Use #7557B7 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.