#C45B42
Closest named color: Terra Cotta (#C9643B). oklch(59.6% 0.14 34.7), rgb(196, 91, 66).
Aa
Black text reads best on this color (4.92:1).
About this color
#C45B42 is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.140 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.027 away. Black text reads best on it, at 4.92:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.140) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #C45B42 |
| RGB | rgb(196, 91, 66) |
| HSL | hsl(12, 52%, 51%) |
| OKLCH | oklch(59.6% 0.14 34.7) |
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 #C45B42 | 4.26:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #C45B42 | 4.92:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #C45B42 text on white | 4.26:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #C45B42 text on black | 4.92:1 | AA | Lc -32.7 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F7E6E1
oklch(93.7% 0.02 37)
-
Step 200
200
#F1D1C9
oklch(88.5% 0.038 34.3)
-
Step 300
300
#E9B1A3
oklch(80.8% 0.069 34.5)
-
Step 400
400
#DC8772
oklch(70.8% 0.11 34.7)
-
Step 500
500 (this color)
#C45B42
oklch(59.6% 0.14 34.7)
-
Step 600
600
#BB4A2F
oklch(55.6% 0.152 34.7)
-
Step 700
700
#A13A22
oklch(49.1% 0.142 34.5)
-
Step 800
800
#83311E
oklch(42.7% 0.118 34.4)
-
Step 900
900
#692C1E
oklch(37.6% 0.091 34.3)
-
Step 950
950
#3E1B12
oklch(27.1% 0.057 35.5)
#C45B42 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) | #776C3F | 0.140 |
| Deuteranopia (no green cones) | #908340 | 0.129 |
| Tritanopia (no blue cones) | #D64755 | 0.058 |
| Achromatopsia (no color) | #7A7A7A | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C45B42
#C45B42
oklch(59.6% 0.14 34.7)
- #008EA6
#008EA6
oklch(59.5% 0.105 215.2)
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 #C45B42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.027
- Terracotta #CA6641 ΔE 0.029
- Dark Coral #CF524E ΔE 0.032
- Terracota #CB6843 ΔE 0.034
- Indian Red #CD5C5C ΔE 0.036
- Clay #B66A50 ΔE 0.038
- Adobe #BD6C48 ΔE 0.038
- Rust Orange #C45508 ΔE 0.039
Use #C45B42 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.