#C75639
Closest named color: Terra Cotta (#C9643B). oklch(59.2% 0.151 35.5), rgb(199, 86, 57).
Aa
Black text reads best on this color (4.81:1).
About this color
#C75639 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.151 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.031 away. Black text reads best on it, at 4.81:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 4.81:1 |
| White text | 4.35:1 |
Values
| HEX | #C75639 |
| RGB | rgb(199, 86, 57) |
| HSL | hsl(12, 56%, 50%) |
| OKLCH | oklch(59.2% 0.151 35.5) |
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 #C75639 | 4.35:1 | AA large text | Lc -75.0 | Fine for body text |
| Black text on #C75639 | 4.81:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #C75639 text on white | 4.35:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #C75639 text on black | 4.81:1 | AA | Lc -32.2 | 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 600.
-
Step 50
50
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F7E6E1
oklch(93.7% 0.02 37)
-
Step 200
200
#F1D1C8
oklch(88.5% 0.038 36.2)
-
Step 300
300
#E9B2A3
oklch(81% 0.068 35.8)
-
Step 400
400
#DB8771
oklch(70.6% 0.109 35.5)
-
Step 500
500
#CF664B
oklch(63% 0.139 35.5)
-
Step 600
600 (this color)
#C75639
oklch(59.2% 0.151 35.5)
-
Step 700
700
#A03B20
oklch(49% 0.14 35.7)
-
Step 800
800
#82321D
oklch(42.7% 0.116 35.7)
-
Step 900
900
#692D1D
oklch(37.7% 0.09 35.9)
-
Step 950
950
#3E1B12
oklch(27.1% 0.057 35.5)
#C75639 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) | #756936 | 0.150 |
| Deuteranopia (no green cones) | #908236 | 0.139 |
| Tritanopia (no blue cones) | #DA3E50 | 0.064 |
| Achromatopsia (no color) | #797979 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C75639
#C75639
oklch(59.2% 0.151 35.5)
- #008DA5
#008DA5
oklch(59.2% 0.105 215.3)
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 #C75639, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.031
- Dark Coral #CF524E ΔE 0.031
- Rust Orange #C45508 ΔE 0.032
- Rusty Orange #CD5909 ΔE 0.034
- Terracotta #CA6641 ΔE 0.035
- Brick Orange #C14A09 ΔE 0.038
- Burnt Orange #C04E01 ΔE 0.038
- Terracota #CB6843 ΔE 0.040
Use #C75639 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.