#CF2B3F
Closest named color: Crimson (#DC143C). oklch(56% 0.198 20.6), rgb(207, 43, 63).
Aa
White text reads best on this color (5.15:1).
About this color
#CF2B3F is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.198 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.027 away. White text reads best on it, at 5.15:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.198) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.07:1 |
| White text | 5.15:1 |
Values
| HEX | #CF2B3F |
| RGB | rgb(207, 43, 63) |
| HSL | hsl(353, 66%, 49%) |
| OKLCH | oklch(56% 0.198 20.6) |
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 #CF2B3F | 5.15:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #CF2B3F | 4.07:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #CF2B3F text on white | 5.15:1 | AA | Lc 73.9 | Content text, not long reading |
| #CF2B3F text on black | 4.07:1 | AA large text | Lc -27.8 | 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
#FDF2F2
oklch(97% 0.012 17.4)
-
Step 100
100
#FBE4E3
oklch(93.7% 0.025 20.6)
-
Step 200
200
#F8CDCB
oklch(88.5% 0.049 21.2)
-
Step 300
300
#F5AAA8
oklch(80.9% 0.089 20.9)
-
Step 400
400
#EC797A
oklch(70.7% 0.142 20.8)
-
Step 500
500
#E24F58
oklch(63% 0.182 20.6)
-
Step 600
600 (this color)
#CF2B3F
oklch(56% 0.198 20.6)
-
Step 700
700
#B11830
oklch(49% 0.184 20.6)
-
Step 800
800
#901928
oklch(42.7% 0.153 20.7)
-
Step 900
900
#741E25
oklch(37.7% 0.119 20.6)
-
Step 950
950
#441316
oklch(26.9% 0.075 20.3)
#CF2B3F 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) | #5D573E | 0.219 |
| Deuteranopia (no green cones) | #867A3A | 0.200 |
| Tritanopia (no blue cones) | #E40034 | 0.041 |
| Achromatopsia (no color) | #6D6D6D | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF2B3F
#CF2B3F
oklch(56% 0.198 20.6)
- #00858B
#00858B
oklch(56.1% 0.095 200.4)
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 #CF2B3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.027
- Cherry #CF0234 ΔE 0.027
- Lipstick #D5174E ΔE 0.030
- Ruby #CA0147 ΔE 0.039
- Dull Red #BB3F3F ΔE 0.043
- Faded Red #D3494E ΔE 0.045
- Lipstick Red #C0022F ΔE 0.049
- Dusty Red #B9484E ΔE 0.052
Use #CF2B3F 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.