#CA5427
Closest named color: Rust Orange (#C45508). oklch(59.2% 0.161 39.8), rgb(202, 84, 39).
Aa
Black text reads best on this color (4.80:1).
About this color
#CA5427 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.161 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.021 away. Black text reads best on it, at 4.80:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.161) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.80:1 |
| White text | 4.36:1 |
Values
| HEX | #CA5427 |
| RGB | rgb(202, 84, 39) |
| HSL | hsl(17, 68%, 47%) |
| OKLCH | oklch(59.2% 0.161 39.8) |
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 #CA5427 | 4.36:1 | AA large text | Lc -75.0 | Content text, not long reading |
| Black text on #CA5427 | 4.80:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #CA5427 text on white | 4.36:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #CA5427 text on black | 4.80:1 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E6E0
oklch(93.7% 0.02 40.5)
-
Step 200
200
#F2D1C6
oklch(88.5% 0.04 39.3)
-
Step 300
300
#EAB19E
oklch(80.8% 0.072 39.2)
-
Step 400
400
#DE8668
oklch(70.7% 0.117 39.5)
-
Step 500
500
#D2653E
oklch(63.1% 0.148 39.8)
-
Step 600
600 (this color)
#CA5427
oklch(59.2% 0.161 39.8)
-
Step 700
700
#A33909
oklch(49.1% 0.149 39.8)
-
Step 800
800
#84300E
oklch(42.6% 0.124 39.7)
-
Step 900
900
#6B2C15
oklch(37.8% 0.097 39.7)
-
Step 950
950
#3F1A0D
oklch(27% 0.062 39.6)
#CA5427 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) | #756820 | 0.158 |
| Deuteranopia (no green cones) | #928323 | 0.144 |
| Tritanopia (no blue cones) | #DE384B | 0.074 |
| Achromatopsia (no color) | #797979 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA5427
#CA5427
oklch(59.2% 0.161 39.8)
- #008CAA
#008CAA
oklch(59.2% 0.108 220)
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 #CA5427, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.021
- Rusty Orange #CD5909 ΔE 0.021
- Burnt Orange #C04E01 ΔE 0.029
- Brick Orange #C14A09 ΔE 0.030
- Terra Cotta #C9643B ΔE 0.032
- Deep Orange #DC4D01 ΔE 0.035
- Terracotta #CA6641 ΔE 0.038
- Terracota #CB6843 ΔE 0.043
Use #CA5427 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.