#C3042F
Closest named color: Lipstick Red (#C0022F). oklch(51.8% 0.207 20.9), rgb(195, 4, 47).
Aa
White text reads best on this color (6.21:1).
About this color
#C3042F is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.207 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick Red (#C0022F), ΔE 0.007 away. White text reads best on it, at 6.21:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.207) |
| Temperature | warm |
| Nearest name | Lipstick Red (#C0022F) |
| Black text | 3.37:1 |
| White text | 6.21:1 |
Values
| HEX | #C3042F |
| RGB | rgb(195, 4, 47) |
| HSL | hsl(346, 96%, 39%) |
| OKLCH | oklch(51.8% 0.207 20.9) |
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 #C3042F | 6.21:1 | AA | Lc -83.7 | Fine for body text |
| Black text on #C3042F | 3.37:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #C3042F text on white | 6.21:1 | AA | Lc 78.4 | Fine for body text |
| #C3042F text on black | 3.37:1 | AA large text | Lc -23.4 | 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 700.
-
Step 50
50
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FDE3E2
oklch(93.7% 0.029 20.3)
-
Step 200
200
#FCCBC9
oklch(88.4% 0.056 21)
-
Step 300
300
#FBA7A5
oklch(81% 0.1 21)
-
Step 400
400
#F47274
oklch(70.7% 0.16 21.1)
-
Step 500
500
#EB4250
oklch(63% 0.205 21)
-
Step 600
600
#D70435
oklch(55.7% 0.222 20.9)
-
Step 700
700 (this color)
#C3042F
oklch(51.8% 0.207 20.9)
-
Step 800
800
#970122
oklch(42.8% 0.172 20.9)
-
Step 900
900
#791520
oklch(37.8% 0.133 21.2)
-
Step 950
950
#470F13
oklch(26.9% 0.085 21.1)
#C3042F 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) | #4F492E | 0.231 |
| Deuteranopia (no green cones) | #7A6E28 | 0.209 |
| Tritanopia (no blue cones) | #D7001D | 0.045 |
| Achromatopsia (no color) | #616161 | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C3042F
#C3042F
oklch(51.8% 0.207 20.9)
- #00777D
#00777D
oklch(51.8% 0.088 201)
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 #C3042F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick Red #C0022F ΔE 0.007
- Rose Red #BE013C ΔE 0.020
- Scarlet #BE0119 ΔE 0.022
- Cherry #CF0234 ΔE 0.025
- Ruby #CA0147 ΔE 0.032
- Firebrick #B22222 ΔE 0.039
- Rouge #AB1239 ΔE 0.051
- Rufous #AE2012 ΔE 0.052
Use #C3042F 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.