#4273AF#4273AF

#4273AF is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.9% C 0.108 H 254.5°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#4273AF
RGB	rgb(66, 115, 175)
HSL	hsl(213, 45%, 47%)
HSV	hsv(213, 62%, 69%)
CMYK	cmyk(62.3%, 34.3%, 0%, 31.4%)
CIE-LAB	lab(47.64, 2.41, -36.88)
CIE-LCH	lch(47.64, 36.96, 273.74°)
OKLab	oklab(54.89% -0.029 -0.1044)
OKLCH	oklch(54.89% 0.108 254.5)
XYZ	xyz(16.1126, 16.5134, 42.8874)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4273AF #AF7E42

analogous

#42A9AF #4273AF #4842AF

triadic

#4273AF #AF4273 #73AF42

tetradic

#4273AF #AF42A9 #AF7E42 #42AF48

square

#4273AF #AF42A9 #AF7E42 #42AF48

split-complementary

#4273AF #AF4842 #A9AF42

monochromatic

#203956 #315683 #4273AF #6892C6 #95B2D7

Accessibility & contrast

On white

4.88

#4273AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#4273AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4273AF

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4273AF	#FFFFFF	#000000	##FFFFFF
##4273AF	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5977B2

Deuteranopia (green-blind)

#4B6CAE

Tritanopia (blue-blind)

#008189

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4273af;
/* rgb */ color: rgb(66, 115, 175);
/* oklch */ color: oklch(54.9% 0.108 254.5);

Tailwind

colors: {
  custom: {
    50: '#809bc7',
    500: '#4273af',
    950: '#000000',
  },
}

SCSS

$custom: #4273af;
$custom-light: #809bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#4273af",
  "rgb": {
    "r": 66,
    "g": 115,
    "b": 175
  },
  "hsl": {
    "h": 213.028,
    "s": 45.228,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54886,
    "c": 0.10832,
    "h": 254.5
  },
  "luminance": 0.16515
}

Semantic roles & 50–950 ramp

primary

#4273AF

secondary

#C2A98A

accent

#9A53D5

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4273AF

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

Preview Lab → · Contrast checker → · Palette generator →