#7551C2
Closest named color: Light Indigo (#6D5ACF). oklch(53.1% 0.169 294.6), rgb(117, 81, 194).
Aa
White text reads best on this color (5.65:1).
About this color
#7551C2 is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.169 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.029 away. White text reads best on it, at 5.65:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #7551C2 |
| RGB | rgb(117, 81, 194) |
| HSL | hsl(259, 48%, 54%) |
| OKLCH | oklch(53.1% 0.169 294.6) |
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 #7551C2 | 5.65:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #7551C2 | 3.71:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #7551C2 text on white | 5.65:1 | AA | Lc 77.9 | Fine for body text |
| #7551C2 text on black | 3.71:1 | AA large text | Lc -23.8 | 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
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#DAD4F3
oklch(88.4% 0.043 294.4)
-
Step 300
300
#C3B7ED
oklch(80.8% 0.076 294.8)
-
Step 400
400
#A691E5
oklch(70.8% 0.122 294.6)
-
Step 500
500
#9173DD
oklch(63.1% 0.156 294.6)
-
Step 600
600 (this color)
#7551C2
oklch(53.1% 0.169 294.6)
-
Step 700
700
#6948AF
oklch(49.1% 0.157 294.7)
-
Step 800
800
#553C8E
oklch(42.7% 0.13 294.3)
-
Step 900
900
#463471
oklch(37.7% 0.101 294.6)
-
Step 950
950
#291F42
oklch(27% 0.064 294.9)
#7551C2 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) | #0A68C6 | 0.115 |
| Deuteranopia (no green cones) | #1E65C0 | 0.108 |
| Tritanopia (no blue cones) | #616982 | 0.133 |
| Achromatopsia (no color) | #676767 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7551C2
#7551C2
oklch(53.1% 0.169 294.6)
- #6B7300
#6B7300
oklch(53.1% 0.12 114.5)
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 #7551C2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.029
- Slate Blue #6A5ACD ΔE 0.030
- Iris #6258C4 ΔE 0.033
- Dark Periwinkle #665FD1 ΔE 0.043
- Bluey Purple #6241C7 ΔE 0.051
- Deep Lavender #8D5EB7 ΔE 0.059
- Purpley #8756E4 ΔE 0.061
- Purply #983FB2 ΔE 0.074
Use #7551C2 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.