#4273AE#4273AE

#4273AE is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.8% C 0.107 H 254.1°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4273AE
RGB	rgb(66, 115, 174)
HSL	hsl(213, 45%, 47%)
HSV	hsv(213, 62%, 68%)
CMYK	cmyk(62.1%, 33.9%, 0%, 31.8%)
CIE-LAB	lab(47.59, 2.06, -36.38)
CIE-LCH	lch(47.59, 36.44, 273.25°)
OKLab	oklab(54.83% -0.0293 -0.1029)
OKLCH	oklch(54.83% 0.107 254.1)
XYZ	xyz(16.0147, 16.4742, 42.3721)
Luminance	0.1648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4273AE #AE7D42

analogous

#42A9AE #4273AE #4742AE

triadic

#4273AE #AE4273 #73AE42

tetradic

#4273AE #AE42A9 #AE7D42 #42AE47

square

#4273AE #AE42A9 #AE7D42 #42AE47

split-complementary

#4273AE #AE4742 #A9AE42

monochromatic

#203855 #315682 #4273AE #6892C6 #94B2D6

Accessibility & contrast

On white

4.89

#4273AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#4273AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4273AE

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4273AE	#FFFFFF	#000000	##FFFFFF
##4273AE	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A77B0

Deuteranopia (green-blind)

#4B6CAD

Tritanopia (blue-blind)

#008188

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4273ae;
/* rgb */ color: rgb(66, 115, 174);
/* oklch */ color: oklch(54.8% 0.107 254.1);

Tailwind

colors: {
  custom: {
    50: '#809bc6',
    500: '#4273ae',
    950: '#000000',
  },
}

SCSS

$custom: #4273ae;
$custom-light: #809bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#4273ae",
  "rgb": {
    "r": 66,
    "g": 115,
    "b": 174
  },
  "hsl": {
    "h": 212.778,
    "s": 45,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5483,
    "c": 0.10699,
    "h": 254.1
  },
  "luminance": 0.16476
}

Semantic roles & 50–950 ramp

primary

#4273AE

secondary

#C2A88A

accent

#9A53D5

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4273AE

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

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