#C66366
Closest named color: Indian Red (#CD5C5C). oklch(61.8% 0.126 19.6), rgb(198, 99, 102).
Aa
Black text reads best on this color (5.37:1).
About this color
#C66366 is a medium-dark, moderately saturated red. In OKLCH its lightness is 62%, its chroma 0.126 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Indian Red (#CD5C5C), ΔE 0.019 away. Black text reads best on it, at 5.37:1.
| Hue family | Reds |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.126) |
| Temperature | warm |
| Nearest name | Indian Red (#CD5C5C) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #C66366 |
| RGB | rgb(198, 99, 102) |
| HSL | hsl(358, 46%, 58%) |
| OKLCH | oklch(61.8% 0.126 19.6) |
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 #C66366 | 3.90:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #C66366 | 5.37:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #C66366 text on white | 3.90:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #C66366 text on black | 5.37:1 | AA | Lc -35.6 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E5
oklch(93.5% 0.019 17.5)
-
Step 200
200
#EFD1D0
oklch(88.5% 0.034 20.1)
-
Step 300
300
#E6B1B0
oklch(80.8% 0.062 19.8)
-
Step 400
400
#D78787
oklch(70.6% 0.099 19.8)
-
Step 500
500 (this color)
#C66366
oklch(61.8% 0.126 19.6)
-
Step 600
600
#B64C52
oklch(55.7% 0.138 19.3)
-
Step 700
700
#9C3C42
oklch(49% 0.128 19.5)
-
Step 800
800
#7F3337
oklch(42.8% 0.106 19.5)
-
Step 900
900
#662D2F
oklch(37.6% 0.082 19.7)
-
Step 950
950
#3C1B1C
oklch(27% 0.052 19.2)
#C66366 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) | #797466 | 0.135 |
| Deuteranopia (no green cones) | #918964 | 0.127 |
| Tritanopia (no blue cones) | #D65565 | 0.037 |
| Achromatopsia (no color) | #818181 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C66366
#C66366
oklch(61.8% 0.126 19.6)
- #00989E
#00989E
oklch(61.8% 0.105 199.7)
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 #C66366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indian Red #CD5C5C ΔE 0.019
- Dusky Rose #BA6873 ΔE 0.026
- Dusty Rose #C0737A ΔE 0.038
- Dark Coral #CF524E ΔE 0.039
- Pastel Red #DB5856 ΔE 0.042
- Pale Red #D9544D ΔE 0.046
- Clay #B66A50 ΔE 0.048
- Terracotta #CA6641 ΔE 0.049
Use #C66366 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.