#CF173A
Closest named color: Cherry (#CF0234). oklch(54.8% 0.21 19.8), rgb(207, 23, 58).
Aa
White text reads best on this color (5.47:1).
About this color
#CF173A is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.210 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.010 away. White text reads best on it, at 5.47:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.210) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #CF173A |
| RGB | rgb(207, 23, 58) |
| HSL | hsl(349, 80%, 45%) |
| OKLCH | oklch(54.8% 0.21 19.8) |
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 #CF173A | 5.47:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #CF173A | 3.83:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #CF173A text on white | 5.47:1 | AA | Lc 75.2 | Fine for body text |
| #CF173A text on black | 3.83:1 | AA large text | Lc -26.6 | 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
#FCE3E2
oklch(93.6% 0.028 20.4)
-
Step 200
200
#FACCCB
oklch(88.5% 0.052 19.6)
-
Step 300
300
#F8A8A8
oklch(80.9% 0.095 19.3)
-
Step 400
400
#F07579
oklch(70.7% 0.152 19.7)
-
Step 500
500
#E74957
oklch(63.2% 0.194 19.8)
-
Step 600
600 (this color)
#CF173A
oklch(54.8% 0.21 19.8)
-
Step 700
700
#B5042F
oklch(49.1% 0.195 19.6)
-
Step 800
800
#931027
oklch(42.7% 0.161 20)
-
Step 900
900
#761A24
oklch(37.7% 0.126 20)
-
Step 950
950
#461116
oklch(27% 0.081 19.1)
#CF173A 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) | #57513A | 0.233 |
| Deuteranopia (no green cones) | #837634 | 0.211 |
| Tritanopia (no blue cones) | #E40029 | 0.043 |
| Achromatopsia (no color) | #696969 | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF173A
#CF173A
oklch(54.8% 0.21 19.8)
- #008186
#008186
oklch(54.8% 0.093 199.6)
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 #CF173A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.010
- Crimson #DC143C ΔE 0.026
- Ruby #CA0147 ΔE 0.027
- Lipstick #D5174E ΔE 0.027
- Lipstick Red #C0022F ΔE 0.037
- Rose Red #BE013C ΔE 0.042
- Scarlet #BE0119 ΔE 0.049
- Dull Red #BB3F3F ΔE 0.052
Use #CF173A 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.