#CA401C
Closest named color: Brick Orange (#C14A09). oklch(56.7% 0.181 35), rgb(202, 64, 28).
Aa
White text reads best on this color (4.92:1).
About this color
#CA401C is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.181 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.026 away. White text reads best on it, at 4.92:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.181) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.26:1 |
| White text | 4.92:1 |
Values
| HEX | #CA401C |
| RGB | rgb(202, 64, 28) |
| HSL | hsl(12, 76%, 45%) |
| OKLCH | oklch(56.7% 0.181 35) |
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 #CA401C | 4.92:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #CA401C | 4.26:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #CA401C text on white | 4.92:1 | AA | Lc 73.0 | Content text, not long reading |
| #CA401C text on black | 4.26:1 | AA large text | Lc -28.7 | Dividers and decoration only |
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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#F9E5DF
oklch(93.6% 0.023 37.4)
-
Step 200
200
#F5CFC5
oklch(88.4% 0.045 35.1)
-
Step 300
300
#F0AE9D
oklch(80.8% 0.082 35)
-
Step 400
400
#E58168
oklch(70.7% 0.129 35)
-
Step 500
500
#DB5C3D
oklch(63.1% 0.166 35)
-
Step 600
600 (this color)
#CA401C
oklch(56.7% 0.181 35)
-
Step 700
700
#AB2D07
oklch(49.2% 0.168 35)
-
Step 800
800
#8B270D
oklch(42.7% 0.139 34.7)
-
Step 900
900
#702614
oklch(37.8% 0.109 34.8)
-
Step 950
950
#42170D
oklch(27% 0.07 34.5)
#CA401C 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) | #695D15 | 0.187 |
| Deuteranopia (no green cones) | #8B7C13 | 0.170 |
| Tritanopia (no blue cones) | #DF0A3A | 0.070 |
| Achromatopsia (no color) | #707070 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA401C
#CA401C
oklch(56.7% 0.181 35)
- #00859B
#00859B
oklch(56.7% 0.1 214.7)
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 #CA401C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.026
- Sinopia #BB3E03 ΔE 0.033
- Burnt Orange #C04E01 ΔE 0.034
- Rust Orange #C45508 ΔE 0.043
- Dull Red #BB3F3F ΔE 0.044
- Deep Orange #DC4D01 ΔE 0.048
- Burnt Siena #B75203 ΔE 0.050
- Dark Coral #CF524E ΔE 0.051
Use #CA401C 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.