#C42418
Closest named color: Scarlet (#BE0119). oklch(53.1% 0.196 29.6), rgb(196, 36, 24).
Aa
White text reads best on this color (5.81:1).
About this color
#C42418 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.196 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.030 away. White text reads best on it, at 5.81:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.196) |
| Temperature | warm |
| Nearest name | Scarlet (#BE0119) |
| Black text | 3.61:1 |
| White text | 5.81:1 |
Values
| HEX | #C42418 |
| RGB | rgb(196, 36, 24) |
| HSL | hsl(4, 78%, 43%) |
| OKLCH | oklch(53.1% 0.196 29.6) |
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 #C42418 | 5.81:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #C42418 | 3.61:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #C42418 text on white | 5.81:1 | AA | Lc 77.3 | Fine for body text |
| #C42418 text on black | 3.61:1 | AA large text | Lc -24.5 | 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
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F8CEC6
oklch(88.5% 0.049 30.7)
-
Step 300
300
#F4AB9F
oklch(80.8% 0.088 29.5)
-
Step 400
400
#EB7B6B
oklch(70.6% 0.141 29.5)
-
Step 500
500
#E25343
oklch(63.2% 0.181 29.4)
-
Step 600
600 (this color)
#C42418
oklch(53.1% 0.196 29.6)
-
Step 700
700
#B11E14
oklch(49.1% 0.183 29.4)
-
Step 800
800
#901E14
oklch(42.8% 0.151 29.7)
-
Step 900
900
#732018
oklch(37.6% 0.118 29.3)
-
Step 950
950
#44150F
oklch(27.1% 0.074 29.9)
#C42418 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) | #594F13 | 0.212 |
| Deuteranopia (no green cones) | #80720A | 0.192 |
| Tritanopia (no blue cones) | #D80024 | 0.042 |
| Achromatopsia (no color) | #656565 | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C42418
#C42418
oklch(53.1% 0.196 29.6)
- #007A89
#007A89
oklch(53.1% 0.092 209.7)
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 #C42418, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Scarlet #BE0119 ΔE 0.030
- Lipstick Red #C0022F ΔE 0.038
- Firebrick #B22222 ΔE 0.039
- Cherry #CF0234 ΔE 0.040
- Sinopia #BB3E03 ΔE 0.041
- Dull Red #BB3F3F ΔE 0.042
- Rusty Red #AF2F0D ΔE 0.043
- Rufous #AE2012 ΔE 0.047
Use #C42418 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.