#C42D49
Closest named color: Ruby (#CA0147). oklch(54.4% 0.186 16.1), rgb(196, 45, 73).
Aa
White text reads best on this color (5.49:1).
About this color
#C42D49 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.186 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.030 away. White text reads best on it, at 5.49:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.186) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.81:1 |
| White text | 5.49:1 |
Values
| HEX | #C42D49 |
| RGB | rgb(196, 45, 73) |
| HSL | hsl(349, 63%, 47%) |
| OKLCH | oklch(54.4% 0.186 16.1) |
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 #C42D49 | 5.49:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #C42D49 | 3.81:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #C42D49 text on white | 5.49:1 | AA | Lc 76.0 | Fine for body text |
| #C42D49 text on black | 3.81:1 | AA large text | Lc -25.7 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#FAE4E4
oklch(93.7% 0.024 17.6)
-
Step 200
200
#F6CDCF
oklch(88.4% 0.046 14.8)
-
Step 300
300
#F2ABAE
oklch(80.9% 0.084 16.3)
-
Step 400
400
#E87B84
oklch(70.7% 0.135 15.9)
-
Step 500
500
#DD5465
oklch(63.1% 0.171 16.1)
-
Step 600
600 (this color)
#C42D49
oklch(54.4% 0.186 16.1)
-
Step 700
700
#AD223D
oklch(49.2% 0.173 16.4)
-
Step 800
800
#8C2033
oklch(42.7% 0.143 16.1)
-
Step 900
900
#71212D
oklch(37.7% 0.112 15.7)
-
Step 950
950
#42151A
oklch(26.9% 0.07 16.4)
#C42D49 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) | #585549 | 0.207 |
| Deuteranopia (no green cones) | #7E7445 | 0.189 |
| Tritanopia (no blue cones) | #D70039 | 0.041 |
| Achromatopsia (no color) | #696969 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C42D49
#C42D49
oklch(54.4% 0.186 16.1)
- #008081
#008081
oklch(54.4% 0.093 195.7)
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 #C42D49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.030
- Cherry #CF0234 ΔE 0.034
- Dull Red #BB3F3F ΔE 0.035
- Lipstick #D5174E ΔE 0.036
- Rose Red #BE013C ΔE 0.039
- Lipstick Red #C0022F ΔE 0.040
- Dusty Red #B9484E ΔE 0.043
- Dark Rose #B5485D ΔE 0.047
Use #C42D49 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.