#CA5A3A
Closest named color: Terra Cotta (#C9643B). oklch(60.3% 0.15 36.7), rgb(202, 90, 58).
Aa
Black text reads best on this color (5.03:1).
About this color
#CA5A3A is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.150 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.021 away. Black text reads best on it, at 5.03:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.03:1 |
| White text | 4.17:1 |
Values
| HEX | #CA5A3A |
| RGB | rgb(202, 90, 58) |
| HSL | hsl(13, 58%, 51%) |
| OKLCH | oklch(60.3% 0.15 36.7) |
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 #CA5A3A | 4.17:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #CA5A3A | 5.03:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #CA5A3A text on white | 4.17:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #CA5A3A text on black | 5.03:1 | AA | Lc -33.6 | 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
#F8E5E0
oklch(93.6% 0.022 35.1)
-
Step 200
200
#F3D0C7
oklch(88.5% 0.041 34.8)
-
Step 300
300
#ECB19F
oklch(81% 0.074 37.6)
-
Step 400
400
#DF856B
oklch(70.7% 0.117 36.9)
-
Step 500
500 (this color)
#CA5A3A
oklch(60.3% 0.15 36.7)
-
Step 600
600
#BF4621
oklch(55.6% 0.163 36.9)
-
Step 700
700
#A53613
oklch(49.1% 0.153 36.6)
-
Step 800
800
#862E14
oklch(42.7% 0.126 36.5)
-
Step 900
900
#6C2A18
oklch(37.7% 0.099 36.1)
-
Step 950
950
#3F1A0F
oklch(27% 0.061 37.3)
#CA5A3A 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) | #786D36 | 0.150 |
| Deuteranopia (no green cones) | #948537 | 0.136 |
| Tritanopia (no blue cones) | #DD4253 | 0.066 |
| Achromatopsia (no color) | #7C7C7C | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA5A3A
#CA5A3A
oklch(60.3% 0.15 36.7)
- #0090AA
#0090AA
oklch(60.2% 0.107 216.5)
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 #CA5A3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.021
- Terracotta #CA6641 ΔE 0.025
- Terracota #CB6843 ΔE 0.030
- Rusty Orange #CD5909 ΔE 0.030
- Dark Coral #CF524E ΔE 0.033
- Rust Orange #C45508 ΔE 0.034
- Pale Red #D9544D ΔE 0.039
- Indian Red #CD5C5C ΔE 0.040
Use #CA5A3A 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.