#CB1F40
Closest named color: Cherry (#CF0234). oklch(54.5% 0.202 18.2), rgb(203, 31, 64).
Aa
White text reads best on this color (5.51:1).
About this color
#CB1F40 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.202 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.017 away. White text reads best on it, at 5.51:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.202) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.80:1 |
| White text | 5.51:1 |
Values
| HEX | #CB1F40 |
| RGB | rgb(203, 31, 64) |
| HSL | hsl(348, 74%, 46%) |
| OKLCH | oklch(54.5% 0.202 18.2) |
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 #CB1F40 | 5.51:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #CB1F40 | 3.80:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #CB1F40 text on white | 5.51:1 | AA | Lc 75.6 | Fine for body text |
| #CB1F40 text on black | 3.80:1 | AA large text | Lc -26.1 | 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
#FBE3E3
oklch(93.5% 0.026 17.6)
-
Step 200
200
#F9CCCC
oklch(88.4% 0.051 18.2)
-
Step 300
300
#F6A9AA
oklch(80.9% 0.091 18.4)
-
Step 400
400
#ED777D
oklch(70.6% 0.146 18.4)
-
Step 500
500
#E44D5D
oklch(63.2% 0.186 18.2)
-
Step 600
600 (this color)
#CB1F40
oklch(54.5% 0.202 18.2)
-
Step 700
700
#B21235
oklch(49% 0.188 18.1)
-
Step 800
800
#91162C
oklch(42.7% 0.156 18.3)
-
Step 900
900
#741C28
oklch(37.6% 0.121 17.8)
-
Step 950
950
#451317
oklch(27.1% 0.077 19.3)
#CB1F40 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) | #575240 | 0.225 |
| Deuteranopia (no green cones) | #81753B | 0.204 |
| Tritanopia (no blue cones) | #DF002F | 0.041 |
| Achromatopsia (no color) | #696969 | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB1F40
#CB1F40
oklch(54.5% 0.202 18.2)
- #008084
#008084
oklch(54.5% 0.093 198.6)
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 #CB1F40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.017
- Ruby #CA0147 ΔE 0.023
- Lipstick #D5174E ΔE 0.027
- Crimson #DC143C ΔE 0.033
- Lipstick Red #C0022F ΔE 0.035
- Rose Red #BE013C ΔE 0.037
- Dull Red #BB3F3F ΔE 0.046
- Scarlet #BE0119 ΔE 0.049
Use #CB1F40 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.