#CF644B
Closest named color: Terracota (#CB6843). oklch(62.7% 0.141 34.4), rgb(207, 100, 75).
Aa
Black text reads best on this color (5.57:1).
About this color
#CF644B is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.141 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Terracota (#CB6843), ΔE 0.016 away. Black text reads best on it, at 5.57:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.141) |
| Temperature | warm |
| Nearest name | Terracota (#CB6843) |
| Black text | 5.57:1 |
| White text | 3.76:1 |
Values
| HEX | #CF644B |
| RGB | rgb(207, 100, 75) |
| HSL | hsl(11, 58%, 55%) |
| OKLCH | oklch(62.7% 0.141 34.4) |
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 #CF644B | 3.76:1 | AA large text | Lc -70.2 | Content text, not long reading |
| Black text on #CF644B | 5.57:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #CF644B text on white | 3.76:1 | AA large text | Lc 64.7 | Content text, not long reading |
| #CF644B text on black | 5.57:1 | AA | Lc -37.0 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E5E1
oklch(93.5% 0.021 32.5)
-
Step 200
200
#F1D1C9
oklch(88.5% 0.038 34.3)
-
Step 300
300
#EAB1A3
oklch(80.9% 0.07 34.2)
-
Step 400
400
#DC8672
oklch(70.6% 0.11 33.9)
-
Step 500
500 (this color)
#CF644B
oklch(62.7% 0.141 34.4)
-
Step 600
600
#BC492F
oklch(55.6% 0.154 34.2)
-
Step 700
700
#A23A21
oklch(49.2% 0.143 34.7)
-
Step 800
800
#83311E
oklch(42.7% 0.118 34.4)
-
Step 900
900
#6A2C1E
oklch(37.8% 0.092 34.1)
-
Step 950
950
#3E1A12
oklch(26.9% 0.059 33.8)
#CF644B 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) | #807548 | 0.141 |
| Deuteranopia (no green cones) | #9A8C49 | 0.129 |
| Tritanopia (no blue cones) | #E2505E | 0.060 |
| Achromatopsia (no color) | #848484 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF644B
#CF644B
oklch(62.7% 0.141 34.4)
- #0099B1
#0099B1
oklch(62.8% 0.11 214)
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 #CF644B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracota #CB6843 ΔE 0.016
- Terracotta #CA6641 ΔE 0.016
- Terra Cotta #C9643B ΔE 0.021
- Indian Red #CD5C5C ΔE 0.033
- Pale Red #D9544D ΔE 0.036
- Adobe #BD6C48 ΔE 0.036
- Pastel Red #DB5856 ΔE 0.037
- Dark Coral #CF524E ΔE 0.040
Use #CF644B 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.