#7559BD
Closest named color: Slate Blue (#6A5ACD). oklch(54.1% 0.151 293.6), rgb(117, 89, 189).
Aa
White text reads best on this color (5.35:1).
About this color
#7559BD is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.151 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Blue (#6A5ACD), ΔE 0.030 away. White text reads best on it, at 5.35:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Slate Blue (#6A5ACD) |
| Black text | 3.92:1 |
| White text | 5.35:1 |
Values
| HEX | #7559BD |
| RGB | rgb(117, 89, 189) |
| HSL | hsl(257, 43%, 55%) |
| OKLCH | oklch(54.1% 0.151 293.6) |
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 #7559BD | 5.35:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #7559BD | 3.92:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #7559BD text on white | 5.35:1 | AA | Lc 76.4 | Fine for body text |
| #7559BD text on black | 3.92:1 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DAD5F0
oklch(88.5% 0.037 294.1)
-
Step 300
300
#C2B9E9
oklch(80.9% 0.068 293.4)
-
Step 400
400
#A493DE
oklch(70.7% 0.109 293.8)
-
Step 500
500
#8E77D5
oklch(63.1% 0.139 293.3)
-
Step 600
600 (this color)
#7559BD
oklch(54.1% 0.151 293.6)
-
Step 700
700
#664DA8
oklch(49.2% 0.141 293.2)
-
Step 800
800
#533F88
oklch(42.6% 0.117 293.4)
-
Step 900
900
#45366D
oklch(37.7% 0.092 294.1)
-
Step 950
950
#282040
oklch(27% 0.059 293.6)
#7559BD 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) | #2F6CC0 | 0.093 |
| Deuteranopia (no green cones) | #3569BB | 0.088 |
| Tritanopia (no blue cones) | #636D82 | 0.122 |
| Achromatopsia (no color) | #6B6B6B | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7559BD
#7559BD
oklch(54.1% 0.151 293.6)
- #6F7600
#6F7600
oklch(54.1% 0.122 113.8)
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 #7559BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Blue #6A5ACD ΔE 0.030
- Light Indigo #6D5ACF ΔE 0.031
- Iris #6258C4 ΔE 0.033
- Dark Periwinkle #665FD1 ΔE 0.039
- Deep Lavender #8D5EB7 ΔE 0.046
- Purpley #8756E4 ΔE 0.067
- Bluey Purple #6241C7 ΔE 0.068
- Amethyst #9B5FC0 ΔE 0.069
Use #7559BD 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.