#8551B1
Closest named color: Deep Lavender (#8D5EB7). oklch(53.7% 0.151 307), rgb(133, 81, 177).
Aa
White text reads best on this color (5.51:1).
About this color
#8551B1 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.151 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.035 away. White text reads best on it, at 5.51:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 3.80:1 |
| White text | 5.51:1 |
Values
| HEX | #8551B1 |
| RGB | rgb(133, 81, 177) |
| HSL | hsl(273, 38%, 51%) |
| OKLCH | oklch(53.7% 0.151 307) |
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 #8551B1 | 5.51:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #8551B1 | 3.80:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #8551B1 text on white | 5.51:1 | AA | Lc 77.2 | Fine for body text |
| #8551B1 text on black | 3.80:1 | AA large text | Lc -24.5 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F4
oklch(93.6% 0.018 306.7)
-
Step 200
200
#E0D3ED
oklch(88.5% 0.038 308)
-
Step 300
300
#CCB6E4
oklch(81% 0.068 306.6)
-
Step 400
400
#B28ED6
oklch(70.6% 0.109 306.7)
-
Step 500
500
#A070CB
oklch(63.1% 0.141 307.1)
-
Step 600
600 (this color)
#8551B1
oklch(53.7% 0.151 307)
-
Step 700
700
#76469E
oklch(49.1% 0.142 307.1)
-
Step 800
800
#603A80
oklch(42.7% 0.117 307.2)
-
Step 900
900
#4E3367
oklch(37.7% 0.091 306.5)
-
Step 950
950
#2E1E3C
oklch(27% 0.058 307.5)
#8551B1 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) | #3267B4 | 0.121 |
| Deuteranopia (no green cones) | #4369AF | 0.109 |
| Tritanopia (no blue cones) | #7E6279 | 0.109 |
| Achromatopsia (no color) | #696969 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8551B1
#8551B1
oklch(53.7% 0.151 307)
- #587B00
#587B00
oklch(53.6% 0.138 126.8)
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 #8551B1, closest first.
No curated palette has a color within ΔE 0.04 of #8551B1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.035
- Purply #983FB2 ΔE 0.048
- Amethyst #9B5FC0 ΔE 0.056
- Light Indigo #6D5ACF ΔE 0.063
- Slate Blue #6A5ACD ΔE 0.064
- Iris #6258C4 ΔE 0.066
- Light Eggplant #894585 ΔE 0.071
- Dark Periwinkle #665FD1 ΔE 0.074
Use #8551B1 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.