#4273AA#4273AA

#4273AA is a mid, moderate cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.102 H 252.6°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#4273AA
RGB	rgb(66, 115, 170)
HSL	hsl(212, 44%, 46%)
HSV	hsv(212, 61%, 67%)
CMYK	cmyk(61.2%, 32.4%, 0%, 33.3%)
CIE-LAB	lab(47.39, 0.69, -34.36)
CIE-LCH	lch(47.39, 34.36, 271.16°)
OKLab	oklab(54.61% -0.0304 -0.097)
OKLCH	oklch(54.61% 0.102 252.6)
XYZ	xyz(15.6306, 16.3206, 40.3489)
Luminance	0.1632 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4273AA #AA7942

analogous

#42A7AA #4273AA #4542AA

triadic

#4273AA #AA4273 #73AA42

tetradic

#4273AA #AA42A7 #AA7942 #42AA45

square

#4273AA #AA42A7 #AA7942 #42AA45

split-complementary

#4273AA #AA4542 #A7AA42

monochromatic

#203752 #31557E #4273AA #6692C3 #92B1D5

Accessibility & contrast

On white

4.92

#4273AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#4273AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4273AA

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4273AA	#FFFFFF	#000000	##FFFFFF
##4273AA	1.00	4.92	4.26	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C76AC

Deuteranopia (green-blind)

#4E6CA9

Tritanopia (blue-blind)

#008087

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4273aa;
/* rgb */ color: rgb(66, 115, 170);
/* oklch */ color: oklch(54.6% 0.102 252.6);

Tailwind

colors: {
  custom: {
    50: '#7f9bc3',
    500: '#4273aa',
    950: '#000000',
  },
}

SCSS

$custom: #4273aa;
$custom-light: #7f9bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#4273aa",
  "rgb": {
    "r": 66,
    "g": 115,
    "b": 170
  },
  "hsl": {
    "h": 211.731,
    "s": 44.068,
    "l": 46.275
  },
  "oklch": {
    "l": 0.54609,
    "c": 0.10167,
    "h": 252.6
  },
  "luminance": 0.16322
}

Semantic roles & 50–950 ramp

primary

#4273AA

secondary

#C0A688

accent

#9854D4

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #4273AA

Body copy rendered with the generated semantic roles for this colour.

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