#C66754
Closest named color: Terracotta (#CA6641). oklch(62% 0.125 32.6), rgb(198, 103, 84).
Aa
Black text reads best on this color (5.46:1).
About this color
#C66754 is a medium-light, moderately saturated red. In OKLCH its lightness is 62%, its chroma 0.125 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Terracotta (#CA6641), ΔE 0.022 away. Black text reads best on it, at 5.46:1.
| Hue family | Reds |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Terracotta (#CA6641) |
| Black text | 5.46:1 |
| White text | 3.83:1 |
Values
| HEX | #C66754 |
| RGB | rgb(198, 103, 84) |
| HSL | hsl(10, 50%, 55%) |
| OKLCH | oklch(62% 0.125 32.6) |
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 #C66754 | 3.83:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #C66754 | 5.46:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #C66754 text on white | 3.83:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #C66754 text on black | 5.46:1 | AA | Lc -36.2 | 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
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F5E6E2
oklch(93.6% 0.017 35.3)
-
Step 200
200
#EFD2CB
oklch(88.6% 0.034 33.8)
-
Step 300
300
#E5B3A8
oklch(80.9% 0.061 32.6)
-
Step 400
400
#D68A79
oklch(70.7% 0.097 33.3)
-
Step 500
500 (this color)
#C66754
oklch(62% 0.125 32.6)
-
Step 600
600
#B5503C
oklch(55.7% 0.136 32.9)
-
Step 700
700
#9B402E
oklch(49.1% 0.126 32.9)
-
Step 800
800
#7E3527
oklch(42.6% 0.105 32.6)
-
Step 900
900
#662F24
oklch(37.7% 0.082 32.7)
-
Step 950
950
#3C1C16
oklch(27% 0.052 31.8)
#C66754 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) | #7F7652 | 0.125 |
| Deuteranopia (no green cones) | #968A52 | 0.116 |
| Tritanopia (no blue cones) | #D75762 | 0.051 |
| Achromatopsia (no color) | #828282 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C66754
#C66754
oklch(62% 0.125 32.6)
- #0097AD
#0097AD
oklch(62.1% 0.109 212.7)
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 #C66754, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracotta #CA6641 ΔE 0.022
- Terracota #CB6843 ΔE 0.022
- Terra Cotta #C9643B ΔE 0.026
- Adobe #BD6C48 ΔE 0.027
- Clay #B66A50 ΔE 0.030
- Indian Red #CD5C5C ΔE 0.031
- Pinkish Brown #B17261 ΔE 0.042
- Dark Coral #CF524E ΔE 0.043
Use #C66754 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.