#CB51FF
Closest named color: Bright Lilac (#C95EFB). oklch(66.9% 0.255 313.9), rgb(203, 81, 255).
Aa
Black text reads best on this color (6.16:1).
About this color
#CB51FF is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.255 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bright Lilac (#C95EFB), ΔE 0.023 away. Black text reads best on it, at 6.16:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.255) |
| Temperature | in between |
| Nearest name | Bright Lilac (#C95EFB) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #CB51FF |
| RGB | rgb(203, 81, 255) |
| HSL | hsl(282, 100%, 66%) |
| OKLCH | oklch(66.9% 0.255 313.9) |
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 #CB51FF | 3.40:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #CB51FF | 6.16:1 | AA | Lc 43.4 | Non-text elements, placeholder text |
| #CB51FF text on white | 3.40:1 | AA large text | Lc 60.7 | Content text, not long reading |
| #CB51FF text on black | 6.16:1 | AA | Lc -41.0 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#FAF2FE
oklch(97.1% 0.018 314.7)
-
Step 100
100
#F3E3FB
oklch(93.6% 0.036 314.6)
-
Step 200
200
#EACCFA
oklch(88.5% 0.07 313.9)
-
Step 300
300
#DEA8F9
oklch(80.9% 0.125 314.1)
-
Step 400
400
#CC74F6
oklch(70.7% 0.199 313.7)
-
Step 500
500 (this color)
#CB51FF
oklch(66.9% 0.255 313.9)
-
Step 600
600
#AA00E0
oklch(55.6% 0.276 313.7)
-
Step 700
700
#9000BD
oklch(49.1% 0.243 314.1)
-
Step 800
800
#76009D
oklch(42.7% 0.212 313.7)
-
Step 900
900
#60147D
oklch(37.7% 0.167 314.1)
-
Step 950
950
#381049
oklch(27% 0.104 313.8)
#CB51FF 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) | #0084FF | 0.235 |
| Deuteranopia (no green cones) | #478EFB | 0.212 |
| Tritanopia (no blue cones) | #C675A2 | 0.169 |
| Achromatopsia (no color) | #8B8B8B | 0.257 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB51FF
#CB51FF
oklch(66.9% 0.255 313.9)
- #5FAC00
#5FAC00
oklch(66.8% 0.191 133.9)
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 #CB51FF, closest first.
No curated palette has a color within ΔE 0.04 of #CB51FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Lilac #C95EFB ΔE 0.023
- Bright Lavender #C760FF ΔE 0.025
- Heliotrope #D94FF5 ΔE 0.031
- Easter Purple #C071FE ΔE 0.059
- Light Urple #B36FF6 ΔE 0.067
- Lighter Purple #A55AF4 ΔE 0.069
- Hot Purple #CB00F5 ΔE 0.070
- Medium Orchid #BA55D3 ΔE 0.071
Use #CB51FF 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.