#CF2523
Closest named color: Cherry (#CF0234). oklch(55.2% 0.204 27.6), rgb(207, 37, 35).
Aa
White text reads best on this color (5.32:1).
About this color
#CF2523 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.204 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.031 away. White text reads best on it, at 5.32:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.204) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #CF2523 |
| RGB | rgb(207, 37, 35) |
| HSL | hsl(1, 71%, 47%) |
| OKLCH | oklch(55.2% 0.204 27.6) |
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 #CF2523 | 5.32:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #CF2523 | 3.94:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #CF2523 text on white | 5.32:1 | AA | Lc 74.7 | Content text, not long reading |
| #CF2523 text on black | 3.94:1 | AA large text | Lc -27.0 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F9CDC7
oklch(88.5% 0.051 27.2)
-
Step 300
300
#F6AAA0
oklch(80.8% 0.091 27.6)
-
Step 400
400
#EE796C
oklch(70.7% 0.147 27.9)
-
Step 500
500
#E54F44
oklch(63.2% 0.188 27.9)
-
Step 600
600 (this color)
#CF2523
oklch(55.2% 0.204 27.6)
-
Step 700
700
#B41417
oklch(49.1% 0.19 27.5)
-
Step 800
800
#921716
oklch(42.7% 0.158 27.5)
-
Step 900
900
#751D19
oklch(37.6% 0.123 27.4)
-
Step 950
950
#451310
oklch(27% 0.078 27)
#CF2523 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) | #5E5420 | 0.221 |
| Deuteranopia (no green cones) | #877819 | 0.201 |
| Tritanopia (no blue cones) | #E40028 | 0.042 |
| Achromatopsia (no color) | #6B6B6B | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF2523
#CF2523
oklch(55.2% 0.204 27.6)
- #00818F
#00818F
oklch(55.2% 0.095 208.1)
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 #CF2523, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.031
- Crimson #DC143C ΔE 0.038
- Dull Red #BB3F3F ΔE 0.047
- Scarlet #BE0119 ΔE 0.048
- Lipstick Red #C0022F ΔE 0.048
- Sinopia #BB3E03 ΔE 0.053
- Lipstick #D5174E ΔE 0.053
- Ruby #CA0147 ΔE 0.055
Use #CF2523 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.