#7553CA
Closest named color: Light Indigo (#6D5ACF). oklch(54% 0.177 292.7), rgb(117, 83, 202).
Aa
White text reads best on this color (5.45:1).
About this color
#7553CA is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.177 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.020 away. White text reads best on it, at 5.45:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.84:1 |
| White text | 5.45:1 |
Values
| HEX | #7553CA |
| RGB | rgb(117, 83, 202) |
| HSL | hsl(257, 53%, 56%) |
| OKLCH | oklch(54% 0.177 292.7) |
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 #7553CA | 5.45:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #7553CA | 3.84:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #7553CA text on white | 5.45:1 | AA | Lc 76.9 | Fine for body text |
| #7553CA text on black | 3.84:1 | AA large text | Lc -24.9 | 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
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#D9D4F5
oklch(88.4% 0.045 292.4)
-
Step 300
300
#C2B8F0
oklch(81% 0.079 292.7)
-
Step 400
400
#A391E9
oklch(70.8% 0.127 292.2)
-
Step 500
500
#8E73E2
oklch(63.2% 0.162 292.3)
-
Step 600
600 (this color)
#7553CA
oklch(54% 0.177 292.7)
-
Step 700
700
#6747B4
oklch(49.1% 0.165 292.8)
-
Step 800
800
#543B91
oklch(42.7% 0.136 293.2)
-
Step 900
900
#453474
oklch(37.8% 0.106 292.9)
-
Step 950
950
#281F44
oklch(27% 0.067 292.5)
#7553CA 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) | #006BCE | 0.114 |
| Deuteranopia (no green cones) | #1067C7 | 0.111 |
| Tritanopia (no blue cones) | #5E6D86 | 0.142 |
| Achromatopsia (no color) | #696969 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7553CA
#7553CA
oklch(54% 0.177 292.7)
- #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 #7553CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.020
- Slate Blue #6A5ACD ΔE 0.023
- Iris #6258C4 ΔE 0.033
- Dark Periwinkle #665FD1 ΔE 0.035
- Purpley #8756E4 ΔE 0.050
- Bluey Purple #6241C7 ΔE 0.053
- Deep Lavender #8D5EB7 ΔE 0.062
- Warm Blue #4B57DB ΔE 0.068
Use #7553CA 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.