#C645DF
Closest named color: Medium Orchid (#BA55D3). oklch(63.1% 0.239 320.7), rgb(198, 69, 223).
Aa
Black text reads best on this color (5.31:1).
About this color
#C645DF is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.239 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.038 away. Black text reads best on it, at 5.31:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.239) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.31:1 |
| White text | 3.94:1 |
Values
| HEX | #C645DF |
| RGB | rgb(198, 69, 223) |
| HSL | hsl(290, 71%, 57%) |
| OKLCH | oklch(63.1% 0.239 320.7) |
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 #C645DF | 3.94:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #C645DF | 5.31:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #C645DF text on white | 3.94:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #C645DF text on black | 5.31:1 | AA | Lc -35.8 | 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
#FAF2FC
oklch(97% 0.016 319.4)
-
Step 100
100
#F5E3F8
oklch(93.6% 0.034 321.4)
-
Step 200
200
#EDCCF4
oklch(88.5% 0.065 320.3)
-
Step 300
300
#E3A7EF
oklch(80.8% 0.118 320.7)
-
Step 400
400
#D374E7
oklch(70.7% 0.187 320.4)
-
Step 500
500 (this color)
#C645DF
oklch(63.1% 0.239 320.7)
-
Step 600
600
#B20ECD
oklch(55.7% 0.261 320.7)
-
Step 700
700
#9700AF
oklch(49.1% 0.235 320.6)
-
Step 800
800
#7C068F
oklch(42.7% 0.2 320.9)
-
Step 900
900
#641772
oklch(37.7% 0.155 320.9)
-
Step 950
950
#3B1043
oklch(27% 0.099 321)
#C645DF 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) | #0077E3 | 0.243 |
| Deuteranopia (no green cones) | #5585DB | 0.207 |
| Tritanopia (no blue cones) | #C7618D | 0.147 |
| Achromatopsia (no color) | #808080 | 0.241 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C645DF
#C645DF
oklch(63.1% 0.239 320.7)
- #2AA500
#2AA500
oklch(63.1% 0.206 140.7)
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 #C645DF, closest first.
No curated palette has a color within ΔE 0.04 of #C645DF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.038
- Purple Pink #D725DE ΔE 0.043
- Heliotrope #D94FF5 ΔE 0.050
- Pinky Purple #C94CBE ΔE 0.054
- Bright Lilac #C95EFB ΔE 0.057
- Purpley Pink #C83CB9 ΔE 0.058
- Bright Lavender #C760FF ΔE 0.063
- Hot Purple #CB00F5 ΔE 0.063
Use #C645DF 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.