#4273A2#4273A2

#4273A2 is a mid, moderate cyan. Relative luminance 0.160; OKLCH L 54.2% C 0.091 H 248.9°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#4273A2
RGB	rgb(66, 115, 162)
HSL	hsl(209, 42%, 45%)
HSV	hsv(209, 59%, 64%)
CMYK	cmyk(59.3%, 29%, 0%, 36.5%)
CIE-LAB	lab(47.01, -2.01, -30.28)
CIE-LCH	lch(47.01, 30.34, 266.19°)
OKLab	oklab(54.18% -0.0328 -0.0852)
OKLCH	oklch(54.18% 0.091 248.9)
XYZ	xyz(14.8967, 16.0270, 36.4839)
Luminance	0.1603 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4273A2 #A27142

analogous

#42A2A1 #4273A2 #4243A2

triadic

#4273A2 #A24273 #73A242

tetradic

#4273A2 #A142A2 #A27142 #43A242

square

#4273A2 #A142A2 #A27142 #43A242

split-complementary

#4273A2 #A24243 #A2A142

monochromatic

#1F354B #305477 #4273A2 #6292BF #8EB0D1

Accessibility & contrast

On white

4.99

#4273A2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#4273A2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4273A2

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4273A2	#FFFFFF	#000000	##FFFFFF
##4273A2	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F75A4

Deuteranopia (green-blind)

#526BA1

Tritanopia (blue-blind)

#007E83

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4273a2;
/* rgb */ color: rgb(66, 115, 162);
/* oklch */ color: oklch(54.2% 0.091 248.9);

Tailwind

colors: {
  custom: {
    50: '#7e9bbd',
    500: '#4273a2',
    950: '#000000',
  },
}

SCSS

$custom: #4273a2;
$custom-light: #7e9bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#4273a2",
  "rgb": {
    "r": 66,
    "g": 115,
    "b": 162
  },
  "hsl": {
    "h": 209.375,
    "s": 42.105,
    "l": 44.706
  },
  "oklch": {
    "l": 0.54184,
    "c": 0.09129,
    "h": 248.9
  },
  "luminance": 0.16028
}

Semantic roles & 50–950 ramp

primary

#4273A2

secondary

#BC9F84

accent

#9356D2

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #4273A2

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

Preview Lab → · Contrast checker → · Palette generator →