#C66355
Closest named color: Indian Red (#CD5C5C). oklch(61.4% 0.129 29.6), rgb(198, 99, 85).
Aa
Black text reads best on this color (5.31:1).
About this color
#C66355 is a medium-dark, moderately saturated red. In OKLCH its lightness is 61%, its chroma 0.129 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Indian Red (#CD5C5C), ΔE 0.023 away. Black text reads best on it, at 5.31:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Indian Red (#CD5C5C) |
| Black text | 5.31:1 |
| White text | 3.94:1 |
Values
| HEX | #C66355 |
| RGB | rgb(198, 99, 85) |
| HSL | hsl(7, 50%, 55%) |
| OKLCH | oklch(61.4% 0.129 29.6) |
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 #C66355 | 3.94:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #C66355 | 5.31:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #C66355 text on white | 3.94:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #C66355 text on black | 5.31:1 | AA | Lc -35.2 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E3
oklch(93.7% 0.018 30.3)
-
Step 200
200
#F0D1CC
oklch(88.5% 0.036 28.7)
-
Step 300
300
#E7B2A9
oklch(80.9% 0.064 29.5)
-
Step 400
400
#D8887B
oklch(70.7% 0.101 29.8)
-
Step 500
500 (this color)
#C66355
oklch(61.4% 0.129 29.6)
-
Step 600
600
#B74D40
oklch(55.6% 0.14 29.3)
-
Step 700
700
#9D3D31
oklch(49% 0.131 29.7)
-
Step 800
800
#80332A
oklch(42.7% 0.109 29.1)
-
Step 900
900
#672E26
oklch(37.7% 0.084 29.7)
-
Step 950
950
#3D1B17
oklch(27% 0.054 28.1)
#C66355 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) | #7B7353 | 0.133 |
| Deuteranopia (no green cones) | #948853 | 0.122 |
| Tritanopia (no blue cones) | #D85260 | 0.050 |
| Achromatopsia (no color) | #808080 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C66355
#C66355
oklch(61.4% 0.129 29.6)
- #0095A7
#0095A7
oklch(61.4% 0.106 209.7)
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 #C66355, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indian Red #CD5C5C ΔE 0.023
- Terracotta #CA6641 ΔE 0.027
- Terracota #CB6843 ΔE 0.029
- Terra Cotta #C9643B ΔE 0.031
- Clay #B66A50 ΔE 0.034
- Adobe #BD6C48 ΔE 0.034
- Dark Coral #CF524E ΔE 0.035
- Pale Red #D9544D ΔE 0.041
Use #C66355 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.