#C7664A
Closest named color: Terracotta (#CA6641). oklch(61.9% 0.131 37), rgb(199, 102, 74).
Aa
Black text reads best on this color (5.42:1).
About this color
#C7664A is a medium-dark, moderately saturated red. In OKLCH its lightness is 62%, its chroma 0.131 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Terracotta (#CA6641), ΔE 0.011 away. Black text reads best on it, at 5.42:1.
| Hue family | Reds |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Terracotta (#CA6641) |
| Black text | 5.42:1 |
| White text | 3.86:1 |
Values
| HEX | #C7664A |
| RGB | rgb(199, 102, 74) |
| HSL | hsl(13, 53%, 54%) |
| OKLCH | oklch(61.9% 0.131 37) |
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 #C7664A | 3.86:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #C7664A | 5.42:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #C7664A text on white | 3.86:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #C7664A text on black | 5.42:1 | AA | Lc -36.0 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#EFD2C9
oklch(88.6% 0.035 38)
-
Step 300
300
#E6B3A4
oklch(80.9% 0.063 37)
-
Step 400
400
#D88973
oklch(70.7% 0.103 36.3)
-
Step 500
500 (this color)
#C7664A
oklch(61.9% 0.131 37)
-
Step 600
600
#B74F31
oklch(55.7% 0.142 36.8)
-
Step 700
700
#9D3F23
oklch(49.1% 0.132 37)
-
Step 800
800
#7F351F
oklch(42.7% 0.108 37.2)
-
Step 900
900
#672F1F
oklch(37.8% 0.085 36.8)
-
Step 950
950
#3C1C13
oklch(26.9% 0.053 36.6)
#C7664A 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) | #7F7547 | 0.128 |
| Deuteranopia (no green cones) | #978A48 | 0.118 |
| Tritanopia (no blue cones) | #D9545F | 0.060 |
| Achromatopsia (no color) | #828282 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C7664A
#C7664A
oklch(61.9% 0.131 37)
- #0095B1
#0095B1
oklch(61.8% 0.111 217.4)
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 #C7664A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracotta #CA6641 ΔE 0.011
- Terracota #CB6843 ΔE 0.013
- Terra Cotta #C9643B ΔE 0.015
- Adobe #BD6C48 ΔE 0.022
- Clay #B66A50 ΔE 0.030
- Indian Red #CD5C5C ΔE 0.038
- Chocolate #D2691E ΔE 0.044
- Dark Coral #CF524E ΔE 0.045
Use #C7664A 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.