#7555B4
Closest named color: Iris (#6258C4). oklch(52.8% 0.145 296.7), rgb(117, 85, 180).
Aa
White text reads best on this color (5.65:1).
About this color
#7555B4 is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.145 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.039 away. White text reads best on it, at 5.65:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #7555B4 |
| RGB | rgb(117, 85, 180) |
| HSL | hsl(260, 39%, 52%) |
| OKLCH | oklch(52.8% 0.145 296.7) |
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 #7555B4 | 5.65:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #7555B4 | 3.71:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #7555B4 text on white | 5.65:1 | AA | Lc 78.0 | Fine for body text |
| #7555B4 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F5
oklch(93.5% 0.019 299.1)
-
Step 200
200
#DBD5EF
oklch(88.6% 0.036 296.2)
-
Step 300
300
#C4B8E7
oklch(80.8% 0.067 296.6)
-
Step 400
400
#A793DA
oklch(70.8% 0.104 296.6)
-
Step 500
500
#9276D0
oklch(63% 0.134 296.7)
-
Step 600
600 (this color)
#7555B4
oklch(52.8% 0.145 296.7)
-
Step 700
700
#6A4CA3
oklch(49.1% 0.136 297)
-
Step 800
800
#563F84
oklch(42.7% 0.112 296.8)
-
Step 900
900
#47366A
oklch(37.7% 0.088 297.1)
-
Step 950
950
#29203E
oklch(27% 0.055 296.3)
#7555B4 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) | #3068B7 | 0.095 |
| Deuteranopia (no green cones) | #3866B2 | 0.089 |
| Tritanopia (no blue cones) | #67687C | 0.115 |
| Achromatopsia (no color) | #676767 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7555B4
#7555B4
oklch(52.8% 0.145 296.7)
- #677300
#677300
oklch(52.7% 0.121 116.7)
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 #7555B4, closest first.
No curated palette has a color within ΔE 0.04 of #7555B4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.039
- Slate Blue #6A5ACD ΔE 0.043
- Light Indigo #6D5ACF ΔE 0.044
- Deep Lavender #8D5EB7 ΔE 0.049
- Dark Periwinkle #665FD1 ΔE 0.053
- Bluey Purple #6241C7 ΔE 0.067
- Purply #983FB2 ΔE 0.074
- Amethyst #9B5FC0 ΔE 0.074
Use #7555B4 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.