#CF333F

Closest named color: Crimson (#DC143C). oklch(56.6% 0.192 22.1), rgb(207, 51, 63).

Aa

White text reads best on this color (5.00:1).

About this color

#CF333F is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.192 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.031 away. White text reads best on it, at 5.00:1.

Hue familyReds
Lightnessmedium-dark (57%)
Chromavivid (0.192)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.19:1
White text5.00:1

Values

HEX#CF333F
RGBrgb(207, 51, 63)
HSLhsl(355, 62%, 51%)
OKLCHoklch(56.6% 0.192 22.1)

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 #CF333F 5.00:1 AA Lc -78.6 Fine for body text
Black text on #CF333F 4.19:1 AA large text Lc 30.9 Non-text elements, placeholder text
#CF333F text on white 5.00:1 AA Lc 73.2 Content text, not long reading
#CF333F text on black 4.19:1 AA large text Lc -28.5 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

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #FAE4E2

    oklch(93.6% 0.024 23.9)

  3. Step 200

    200

    #F8CDCB

    oklch(88.5% 0.049 21.2)

  4. Step 300

    300

    #F4ABA7

    oklch(81% 0.087 22.7)

  5. Step 400

    400

    #EA7B79

    oklch(70.8% 0.138 22.2)

  6. Step 500

    500

    #E05357

    oklch(63.2% 0.176 22)

  7. Step 600

    600 (this color)

    #CF333F

    oklch(56.6% 0.192 22.1)

  8. Step 700

    700

    #AF1F2E

    oklch(49.1% 0.178 22.2)

  9. Step 800

    800

    #8E1E27

    oklch(42.7% 0.147 22.2)

  10. Step 900

    900

    #722024

    oklch(37.6% 0.115 22)

  11. Step 950

    950

    #431416

    oklch(26.9% 0.073 21)

Export this scale for Tailwind in the Tailwind colors tool

#CF333F 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)#615A3E0.210
Deuteranopia (no green cones)#887B3A0.191
Tritanopia (no blue cones)#E300390.043
Achromatopsia (no color)#6F6F6F0.193

Harmonies

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

Complementary

The opposite hue (180°).

  • #CF333F

    #CF333F

    oklch(56.6% 0.192 22.1)

  • #00878F

    #00878F

    oklch(56.8% 0.097 202.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #CF333F

    #CF333F

    oklch(56.6% 0.192 22.1)

  • #C43582

    #C43582

    oklch(56.7% 0.192 352.1)

  • #B65800

    #B65800

    oklch(56.6% 0.145 52.2)

Open the analogous palette in the generator

Split complementary

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

  • #CF333F

    #CF333F

    oklch(56.6% 0.192 22.1)

  • #008B6F

    #008B6F

    oklch(56.7% 0.11 172)

  • #0081AE

    #0081AE

    oklch(56.6% 0.115 231.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #CF333F

    #CF333F

    oklch(56.6% 0.192 22.1)

  • #0D9000

    #0D9000

    oklch(56.7% 0.191 142.1)

  • #326EE5

    #326EE5

    oklch(56.7% 0.192 262.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #CF333F

    #CF333F

    oklch(56.6% 0.192 22.1)

  • #797D00

    #797D00

    oklch(56.7% 0.126 112)

  • #00878F

    #00878F

    oklch(56.8% 0.097 202.1)

  • #7D58DB

    #7D58DB

    oklch(56.7% 0.191 292.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CF333F, closest first.

Similar named colors

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

Use #CF333F 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.