#7551CE
Closest named color: Light Indigo (#6D5ACF). oklch(53.9% 0.184 292.4), rgb(117, 81, 206).
Aa
White text reads best on this color (5.49:1).
About this color
#7551CE is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.184 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.022 away. White text reads best on it, at 5.49:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.184) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.82:1 |
| White text | 5.49:1 |
Values
| HEX | #7551CE |
| RGB | rgb(117, 81, 206) |
| HSL | hsl(257, 56%, 56%) |
| OKLCH | oklch(53.9% 0.184 292.4) |
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 #7551CE | 5.49:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #7551CE | 3.82:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #7551CE text on white | 5.49:1 | AA | Lc 77.0 | Fine for body text |
| #7551CE text on black | 3.82:1 | AA large text | Lc -24.8 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#D9D4F6
oklch(88.5% 0.047 292.2)
-
Step 300
300
#C1B7F2
oklch(80.8% 0.083 292.2)
-
Step 400
400
#A390EC
oklch(70.7% 0.133 292.1)
-
Step 500
500
#8E71E6
oklch(63.1% 0.17 292.2)
-
Step 600
600 (this color)
#7551CE
oklch(53.9% 0.184 292.4)
-
Step 700
700
#6745B7
oklch(49% 0.172 292.7)
-
Step 800
800
#543A94
oklch(42.7% 0.141 292.7)
-
Step 900
900
#453376
oklch(37.7% 0.11 292.7)
-
Step 950
950
#281E45
oklch(26.9% 0.071 292.9)
#7551CE 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) | #006BD2 | 0.116 |
| Deuteranopia (no green cones) | #0067CB | 0.115 |
| Tritanopia (no blue cones) | #5C6D88 | 0.147 |
| Achromatopsia (no color) | #696969 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7551CE
#7551CE
oklch(53.9% 0.184 292.4)
- #707500
#707500
oklch(54% 0.12 112.7)
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 #7551CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.022
- Slate Blue #6A5ACD ΔE 0.025
- Iris #6258C4 ΔE 0.037
- Dark Periwinkle #665FD1 ΔE 0.037
- Purpley #8756E4 ΔE 0.047
- Bluey Purple #6241C7 ΔE 0.051
- Warm Blue #4B57DB ΔE 0.066
- Deep Lavender #8D5EB7 ΔE 0.068
Use #7551CE 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.