#7556B0
Closest named color: Iris (#6258C4). oklch(52.7% 0.139 297.3), rgb(117, 86, 176).
Aa
White text reads best on this color (5.65:1).
About this color
#7556B0 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 53%, its chroma 0.139 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.044 away. White text reads best on it, at 5.65:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #7556B0 |
| RGB | rgb(117, 86, 176) |
| HSL | hsl(261, 36%, 51%) |
| OKLCH | oklch(52.7% 0.139 297.3) |
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 #7556B0 | 5.65:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #7556B0 | 3.71:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #7556B0 text on white | 5.65:1 | AA | Lc 78.1 | Fine for body text |
| #7556B0 text on black | 3.71:1 | AA large text | Lc -23.7 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F5
oklch(93.7% 0.018 296.6)
-
Step 200
200
#DBD5EE
oklch(88.5% 0.035 296.7)
-
Step 300
300
#C5B9E5
oklch(81% 0.063 297.5)
-
Step 400
400
#A793D7
oklch(70.6% 0.1 297.3)
-
Step 500
500
#9277CC
oklch(63% 0.127 297.3)
-
Step 600
600 (this color)
#7556B0
oklch(52.7% 0.139 297.3)
-
Step 700
700
#6A4DA0
oklch(49.1% 0.13 297.5)
-
Step 800
800
#564081
oklch(42.7% 0.106 297.3)
-
Step 900
900
#473768
oklch(37.8% 0.083 297.3)
-
Step 950
950
#29203D
oklch(26.9% 0.054 296.9)
#7556B0 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) | #3567B3 | 0.090 |
| Deuteranopia (no green cones) | #3D66AE | 0.084 |
| Tritanopia (no blue cones) | #68677B | 0.108 |
| Achromatopsia (no color) | #676767 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7556B0
#7556B0
oklch(52.7% 0.139 297.3)
- #667300
#667300
oklch(52.6% 0.122 117.3)
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 #7556B0, closest first.
No curated palette has a color within ΔE 0.04 of #7556B0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.044
- Slate Blue #6A5ACD ΔE 0.048
- Deep Lavender #8D5EB7 ΔE 0.048
- Light Indigo #6D5ACF ΔE 0.050
- Dark Periwinkle #665FD1 ΔE 0.057
- Dark Lavender #856798 ΔE 0.072
- Muted Purple #805B87 ΔE 0.073
- Bluey Purple #6241C7 ΔE 0.073
Use #7556B0 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.