#C66378
Closest named color: Dusky Rose (#BA6873). oklch(62.2% 0.127 8.1), rgb(198, 99, 120).
Aa
Black text reads best on this color (5.45:1).
About this color
#C66378 is a medium-light, moderately saturated red. In OKLCH its lightness is 62%, its chroma 0.127 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Dusky Rose (#BA6873), ΔE 0.025 away. Black text reads best on it, at 5.45:1.
| Hue family | Reds |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Dusky Rose (#BA6873) |
| Black text | 5.45:1 |
| White text | 3.84:1 |
Values
| HEX | #C66378 |
| RGB | rgb(198, 99, 120) |
| HSL | hsl(347, 46%, 58%) |
| OKLCH | oklch(62.2% 0.127 8.1) |
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 #C66378 | 3.84:1 | AA large text | Lc -71.1 | Content text, not long reading |
| Black text on #C66378 | 5.45:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #C66378 text on white | 3.84:1 | AA large text | Lc 65.6 | Content text, not long reading |
| #C66378 text on black | 5.45:1 | AA | Lc -36.1 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F5E5E7
oklch(93.5% 0.018 8.8)
-
Step 200
200
#EFD0D5
oklch(88.5% 0.035 6.8)
-
Step 300
300
#E5B0B9
oklch(80.8% 0.063 7.2)
-
Step 400
400
#D68695
oklch(70.7% 0.1 7.7)
-
Step 500
500 (this color)
#C66378
oklch(62.2% 0.127 8.1)
-
Step 600
600
#B44B64
oklch(55.7% 0.138 7.9)
-
Step 700
700
#9B3B52
oklch(49.1% 0.129 8.5)
-
Step 800
800
#7E3244
oklch(42.8% 0.107 8.1)
-
Step 900
900
#652C39
oklch(37.6% 0.083 7.6)
-
Step 950
950
#3C1B21
oklch(27.1% 0.052 9.6)
#C66378 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) | #757678 | 0.140 |
| Deuteranopia (no green cones) | #8E8976 | 0.129 |
| Tritanopia (no blue cones) | #D5596B | 0.033 |
| Achromatopsia (no color) | #828282 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C66378
#C66378
oklch(62.2% 0.127 8.1)
- #009B93
#009B93
oklch(62.1% 0.108 188.3)
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 #C66378, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Rose #BA6873 ΔE 0.025
- Dusty Rose #C0737A ΔE 0.037
- Indian Red #CD5C5C ΔE 0.038
- Mauve #AE7181 ΔE 0.049
- Old Pink #C77986 ΔE 0.050
- Muted Pink #D1768F ΔE 0.053
- Deep Rose #C74767 ΔE 0.055
- Dusky Pink #CC7A8B ΔE 0.055
Use #C66378 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.