#C661DB
Closest named color: Medium Orchid (#BA55D3). oklch(66% 0.198 320.5), rgb(198, 97, 219).
Aa
Black text reads best on this color (6.13:1).
About this color
#C661DB is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.198 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.035 away. Black text reads best on it, at 6.13:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.198) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 6.13:1 |
| White text | 3.42:1 |
Values
| HEX | #C661DB |
| RGB | rgb(198, 97, 219) |
| HSL | hsl(290, 63%, 62%) |
| OKLCH | oklch(66% 0.198 320.5) |
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 #C661DB | 3.42:1 | AA large text | Lc -66.7 | Content text, not long reading |
| Black text on #C661DB | 6.13:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #C661DB text on white | 3.42:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #C661DB text on black | 6.13:1 | AA | Lc -40.5 | 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
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F3E4F6
oklch(93.6% 0.029 320.6)
-
Step 200
200
#EACEEF
oklch(88.5% 0.054 321.1)
-
Step 300
300
#DDACE7
oklch(80.8% 0.097 320.6)
-
Step 400
400
#CB7EDB
oklch(70.7% 0.154 320.5)
-
Step 500
500 (this color)
#C661DB
oklch(66% 0.198 320.5)
-
Step 600
600
#A837BE
oklch(55.7% 0.215 320.6)
-
Step 700
700
#9027A4
oklch(49.1% 0.2 320.6)
-
Step 800
800
#752385
oklch(42.7% 0.166 320.6)
-
Step 900
900
#5F246B
oklch(37.9% 0.129 320.5)
-
Step 950
950
#37163E
oklch(26.9% 0.081 320.3)
#C661DB 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) | #4984DF | 0.188 |
| Deuteranopia (no green cones) | #6C8ED8 | 0.164 |
| Tritanopia (no blue cones) | #C77395 | 0.123 |
| Achromatopsia (no color) | #8B8B8B | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C661DB
#C661DB
oklch(66% 0.198 320.5)
- #3EAD23
#3EAD23
oklch(65.9% 0.197 140.4)
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 #C661DB, closest first.
No curated palette has a color within ΔE 0.04 of #C661DB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.035
- Bright Lilac #C95EFB ΔE 0.049
- Orchid #DA70D6 ΔE 0.053
- Pinky Purple #C94CBE ΔE 0.053
- Bright Lavender #C760FF ΔE 0.054
- Light Urple #B36FF6 ΔE 0.055
- Light Purple #BF77F6 ΔE 0.056
- Easter Purple #C071FE ΔE 0.057
Use #C661DB 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.