#7553CF
Closest named color: Light Indigo (#6D5ACF). oklch(54.3% 0.183 291.8), rgb(117, 83, 207).
Aa
White text reads best on this color (5.39:1).
About this color
#7553CF is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.183 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 0.019 away. White text reads best on it, at 5.39:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #7553CF |
| RGB | rgb(117, 83, 207) |
| HSL | hsl(256, 56%, 57%) |
| OKLCH | oklch(54.3% 0.183 291.8) |
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 #7553CF | 5.39:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #7553CF | 3.89:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #7553CF text on white | 5.39:1 | AA | Lc 76.5 | Fine for body text |
| #7553CF text on black | 3.89:1 | 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
#F5F4FC
oklch(97% 0.011 292)
-
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
#C1B8F2
oklch(81% 0.081 291.6)
-
Step 400
400
#A290EC
oklch(70.6% 0.133 291.6)
-
Step 500
500
#8D72E5
oklch(63.1% 0.168 291.7)
-
Step 600
600 (this color)
#7553CF
oklch(54.3% 0.183 291.8)
-
Step 700
700
#6646B7
oklch(49.1% 0.17 292)
-
Step 800
800
#533B94
oklch(42.8% 0.14 291.8)
-
Step 900
900
#443376
oklch(37.6% 0.11 291.9)
-
Step 950
950
#281F45
oklch(27.1% 0.069 292.1)
#7553CF 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) | #006CD3 | 0.114 |
| Deuteranopia (no green cones) | #0068CC | 0.114 |
| Tritanopia (no blue cones) | #5B6F89 | 0.148 |
| Achromatopsia (no color) | #6A6A6A | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7553CF
#7553CF
oklch(54.3% 0.183 291.8)
- #727600
#727600
oklch(54.4% 0.121 112.1)
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 #7553CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.019
- Slate Blue #6A5ACD ΔE 0.023
- Dark Periwinkle #665FD1 ΔE 0.034
- Iris #6258C4 ΔE 0.036
- Purpley #8756E4 ΔE 0.045
- Bluey Purple #6241C7 ΔE 0.054
- Warm Blue #4B57DB ΔE 0.065
- Medium Slate Blue #7B68EE ΔE 0.066
Use #7553CF 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.