#CF1730

Closest named color: Cherry (#CF0234). oklch(54.6% 0.21 22.8), rgb(207, 23, 48).

Aa

White text reads best on this color (5.49:1).

About this color

#CF1730 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.210 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.012 away. White text reads best on it, at 5.49:1.

Hue familyReds
Lightnessmedium-dark (55%)
Chromavivid (0.210)
Temperaturewarm
Nearest nameCherry (#CF0234)
Black text3.81:1
White text5.49:1

Values

HEX#CF1730
RGBrgb(207, 23, 48)
HSLhsl(352, 80%, 45%)
OKLCHoklch(54.6% 0.21 22.8)

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.

PairWCAG 2ResultAPCAAPCA guidance
White text on #CF1730 5.49:1 AA Lc -80.7 Fine for body text
Black text on #CF1730 3.81:1 AA large text Lc 28.8 Dividers and decoration only
#CF1730 text on white 5.49:1 AA Lc 75.3 Fine for body text
#CF1730 text on black 3.81:1 AA large text Lc -26.4 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.

  1. Step 50

    50

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FCE3E1

    oklch(93.6% 0.028 23.2)

  3. Step 200

    200

    #FACCC9

    oklch(88.4% 0.052 22.6)

  4. Step 300

    300

    #F8A8A4

    oklch(80.8% 0.095 22.5)

  5. Step 400

    400

    #F07673

    oklch(70.7% 0.151 23.1)

  6. Step 500

    500

    #E74A4F

    oklch(63.1% 0.193 22.9)

  7. Step 600

    600 (this color)

    #CF1730

    oklch(54.6% 0.21 22.8)

  8. Step 700

    700

    #B60526

    oklch(49.2% 0.196 22.6)

  9. Step 800

    800

    #941020

    oklch(42.8% 0.163 22.9)

  10. Step 900

    900

    #761A20

    oklch(37.6% 0.126 22.5)

  11. Step 950

    950

    #461213

    oklch(27.1% 0.08 23.1)

Export this scale for Tailwind in the Tailwind colors tool

#CF1730 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.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#58502F0.233
Deuteranopia (no green cones)#8476280.211
Tritanopia (no blue cones)#E400240.042
Achromatopsia (no color)#6969690.212

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #CF1730

    #CF1730

    oklch(54.6% 0.21 22.8)

  • #008088

    #008088

    oklch(54.6% 0.093 202.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #CF1730

    #CF1730

    oklch(54.6% 0.21 22.8)

  • #C31D7B

    #C31D7B

    oklch(54.6% 0.21 352.9)

  • #AD5400

    #AD5400

    oklch(54.6% 0.139 52.6)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #CF1730

    #CF1730

    oklch(54.6% 0.21 22.8)

  • #00846A

    #00846A

    oklch(54.7% 0.105 172.5)

  • #007AA7

    #007AA7

    oklch(54.5% 0.113 233.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #CF1730

    #CF1730

    oklch(54.6% 0.21 22.8)

  • #008906

    #008906

    oklch(54.6% 0.184 142.8)

  • #2764E8

    #2764E8

    oklch(54.6% 0.21 262.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #CF1730

    #CF1730

    oklch(54.6% 0.21 22.8)

  • #727700

    #727700

    oklch(54.6% 0.122 112.7)

  • #008088

    #008088

    oklch(54.6% 0.093 202.5)

  • #7A4BDD

    #7A4BDD

    oklch(54.7% 0.21 292.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CF1730, closest first.

No curated palette has a color within ΔE 0.04 of #CF1730.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #CF1730 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.