#CA4604
Closest named color: Brick Orange (#C14A09). oklch(57.2% 0.178 39.9), rgb(202, 70, 4).
Aa
White text reads best on this color (4.78:1).
About this color
#CA4604 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.178 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.017 away. White text reads best on it, at 4.78:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.38:1 |
| White text | 4.78:1 |
Values
| HEX | #CA4604 |
| RGB | rgb(202, 70, 4) |
| HSL | hsl(20, 96%, 40%) |
| OKLCH | oklch(57.2% 0.178 39.9) |
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 #CA4604 | 4.78:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #CA4604 | 4.38:1 | AA large text | Lc 32.0 | Non-text elements, placeholder text |
| #CA4604 text on white | 4.78:1 | AA | Lc 72.1 | Content text, not long reading |
| #CA4604 text on black | 4.38:1 | AA large text | Lc -29.6 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F9E5DE
oklch(93.6% 0.024 40.3)
-
Step 200
200
#F4D0C3
oklch(88.5% 0.044 40.9)
-
Step 300
300
#EFB09A
oklch(81% 0.08 40.1)
-
Step 400
400
#E38361
oklch(70.7% 0.128 40.1)
-
Step 500
500
#D95F32
oklch(63.1% 0.164 39.7)
-
Step 600
600 (this color)
#CA4604
oklch(57.2% 0.178 39.9)
-
Step 700
700
#A53700
oklch(49.2% 0.154 40)
-
Step 800
800
#882C00
oklch(42.7% 0.134 40.1)
-
Step 900
900
#6E280C
oklch(37.6% 0.107 39.9)
-
Step 950
950
#41180A
oklch(26.9% 0.068 38.9)
#CA4604 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) | #6D6000 | 0.178 |
| Deuteranopia (no green cones) | #8E7D00 | 0.158 |
| Tritanopia (no blue cones) | #DF1B3C | 0.079 |
| Achromatopsia (no color) | #727272 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA4604
#CA4604
oklch(57.2% 0.178 39.9)
- #0086A2
#0086A2
oklch(57.3% 0.104 219.4)
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 #CA4604, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.017
- Burnt Orange #C04E01 ΔE 0.022
- Rust Orange #C45508 ΔE 0.029
- Sinopia #BB3E03 ΔE 0.036
- Rusty Orange #CD5909 ΔE 0.038
- Deep Orange #DC4D01 ΔE 0.040
- Burnt Siena #B75203 ΔE 0.040
- Dark Coral #CF524E ΔE 0.056
Use #CA4604 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.