#CA3619
Closest named color: Sinopia (#BB3E03). oklch(55.6% 0.189 32.8), rgb(202, 54, 25).
Aa
White text reads best on this color (5.18:1).
About this color
#CA3619 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.189 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.033 away. White text reads best on it, at 5.18:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.189) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 4.05:1 |
| White text | 5.18:1 |
Values
| HEX | #CA3619 |
| RGB | rgb(202, 54, 25) |
| HSL | hsl(10, 78%, 45%) |
| OKLCH | oklch(55.6% 0.189 32.8) |
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 #CA3619 | 5.18:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #CA3619 | 4.05:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #CA3619 text on white | 5.18:1 | AA | Lc 74.3 | Content text, not long reading |
| #CA3619 text on black | 4.05:1 | AA large text | Lc -27.4 | 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
#FAE4DF
oklch(93.5% 0.025 32.9)
-
Step 200
200
#F7CFC5
oklch(88.6% 0.047 34.3)
-
Step 300
300
#F2AD9E
oklch(80.9% 0.084 32.6)
-
Step 400
400
#E97E68
oklch(70.8% 0.137 32.8)
-
Step 500
500
#DE583E
oklch(63.1% 0.173 32.9)
-
Step 600
600 (this color)
#CA3619
oklch(55.6% 0.189 32.8)
-
Step 700
700
#AE2609
oklch(49.1% 0.176 32.8)
-
Step 800
800
#8D230E
oklch(42.7% 0.145 32.9)
-
Step 900
900
#722314
oklch(37.7% 0.114 32.8)
-
Step 950
950
#43160D
oklch(27% 0.072 33.1)
#CA3619 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) | #645812 | 0.199 |
| Deuteranopia (no green cones) | #88790D | 0.181 |
| Tritanopia (no blue cones) | #DF0031 | 0.058 |
| Achromatopsia (no color) | #6D6D6D | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA3619
#CA3619
oklch(55.6% 0.189 32.8)
- #008295
#008295
oklch(55.7% 0.097 212.5)
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 #CA3619, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.033
- Brick Orange #C14A09 ΔE 0.038
- Dull Red #BB3F3F ΔE 0.041
- Burnt Orange #C04E01 ΔE 0.046
- Cherry #CF0234 ΔE 0.054
- Faded Red #D3494E ΔE 0.056
- Dusty Red #B9484E ΔE 0.057
- Rust Orange #C45508 ΔE 0.057
Use #CA3619 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.