#C01427
Closest named color: Scarlet (#BE0119). oklch(51.6% 0.2 24.1), rgb(192, 20, 39).
Aa
White text reads best on this color (6.23:1).
About this color
#C01427 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.200 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.014 away. White text reads best on it, at 6.23:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.200) |
| Temperature | warm |
| Nearest name | Scarlet (#BE0119) |
| Black text | 3.37:1 |
| White text | 6.23:1 |
Values
| HEX | #C01427 |
| RGB | rgb(192, 20, 39) |
| HSL | hsl(353, 81%, 42%) |
| OKLCH | oklch(51.6% 0.2 24.1) |
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 #C01427 | 6.23:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #C01427 | 3.37:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #C01427 text on white | 6.23:1 | AA | Lc 78.9 | Fine for body text |
| #C01427 text on black | 3.37:1 | AA large text | Lc -22.9 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E1
oklch(93.6% 0.028 23.2)
-
Step 200
200
#FBCCC8
oklch(88.5% 0.054 23.9)
-
Step 300
300
#F9A8A2
oklch(80.9% 0.097 24.1)
-
Step 400
400
#F27570
oklch(70.8% 0.155 24.1)
-
Step 500
500
#E9484A
oklch(63.2% 0.198 24.2)
-
Step 600
600
#D4182C
oklch(55.6% 0.215 24.2)
-
Step 700
700 (this color)
#C01427
oklch(51.6% 0.2 24.1)
-
Step 800
800
#950D1C
oklch(42.8% 0.165 24.1)
-
Step 900
900
#77191D
oklch(37.7% 0.128 23.9)
-
Step 950
950
#461111
oklch(26.9% 0.081 24.4)
#C01427 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) | #524A26 | 0.219 |
| Deuteranopia (no green cones) | #7A6D1F | 0.199 |
| Tritanopia (no blue cones) | #D4001F | 0.040 |
| Achromatopsia (no color) | #616161 | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C01427
#C01427
oklch(51.6% 0.2 24.1)
- #00767F
#00767F
oklch(51.6% 0.088 204.1)
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 #C01427, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Scarlet #BE0119 ΔE 0.014
- Lipstick Red #C0022F ΔE 0.014
- Firebrick #B22222 ΔE 0.029
- Rose Red #BE013C ΔE 0.030
- Cherry #CF0234 ΔE 0.033
- Rufous #AE2012 ΔE 0.041
- Ruby #CA0147 ΔE 0.044
- Rusty Red #AF2F0D ΔE 0.047
Use #C01427 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.