#D42343
Closest named color: Crimson (#DC143C). oklch(56.4% 0.208 18.6), rgb(212, 35, 67).
Aa
White text reads best on this color (5.09:1).
About this color
#D42343 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.208 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.017 away. White text reads best on it, at 5.09:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.12:1 |
| White text | 5.09:1 |
Values
| HEX | #D42343 |
| RGB | rgb(212, 35, 67) |
| HSL | hsl(349, 72%, 48%) |
| OKLCH | oklch(56.4% 0.208 18.6) |
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 #D42343 | 5.09:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #D42343 | 4.12:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #D42343 text on white | 5.09:1 | AA | Lc 73.3 | Content text, not long reading |
| #D42343 text on black | 4.12:1 | AA large text | Lc -28.4 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E3
oklch(93.6% 0.028 17.7)
-
Step 200
200
#FACCCC
oklch(88.5% 0.052 18.2)
-
Step 300
300
#F7A8A9
oklch(80.8% 0.094 18.5)
-
Step 400
400
#EF767C
oklch(70.8% 0.149 18.6)
-
Step 500
500
#E64A5B
oklch(63.2% 0.191 18.4)
-
Step 600
600 (this color)
#D42343
oklch(56.4% 0.208 18.6)
-
Step 700
700
#B40833
oklch(49% 0.193 18.4)
-
Step 800
800
#92122A
oklch(42.6% 0.159 18.8)
-
Step 900
900
#761A26
oklch(37.7% 0.125 18.8)
-
Step 950
950
#451217
oklch(27% 0.078 18.5)
#D42343 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) | #5C5643 | 0.230 |
| Deuteranopia (no green cones) | #877B3D | 0.211 |
| Tritanopia (no blue cones) | #E90032 | 0.042 |
| Achromatopsia (no color) | #6E6E6E | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D42343
#D42343
oklch(56.4% 0.208 18.6)
- #00868B
#00868B
oklch(56.3% 0.096 199.4)
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 #D42343, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.017
- Lipstick #D5174E ΔE 0.020
- Cherry #CF0234 ΔE 0.026
- Ruby #CA0147 ΔE 0.036
- Faded Red #D3494E ΔE 0.049
- Imperial Red #E63946 ΔE 0.050
- Cerise #DE0C62 ΔE 0.050
- Lipstick Red #C0022F ΔE 0.054
Use #D42343 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.