#437FC4#437FC4

#437FC4 is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 58.8% C 0.123 H 253.4°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#437FC4
RGB	rgb(67, 127, 196)
HSL	hsl(212, 52%, 52%)
HSV	hsv(212, 66%, 77%)
CMYK	cmyk(65.8%, 35.2%, 0%, 23.1%)
CIE-LAB	lab(52.24, 2.60, -41.72)
CIE-LCH	lch(52.24, 41.80, 273.56°)
OKLab	oklab(58.84% -0.0352 -0.1184)
OKLCH	oklch(58.84% 0.123 253.4)
XYZ	xyz(19.8643, 20.3556, 55.0960)
Luminance	0.2036 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437FC4 #C48843

analogous

#43C0C4 #437FC4 #4843C4

triadic

#437FC4 #C4437F #7FC443

tetradic

#437FC4 #C443C0 #C48843 #43C448

square

#437FC4 #C443C0 #C48843 #43C448

split-complementary

#437FC4 #C44843 #C0C443

monochromatic

#22446B #30619A #437FC4 #729FD3 #A0BEE1

Accessibility & contrast

On white

4.14

#437FC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#437FC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437FC4

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437FC4	#FFFFFF	#000000	##000000
##437FC4	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6183C7

Deuteranopia (green-blind)

#4F77C3

Tritanopia (blue-blind)

#008F98

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #437fc4;
/* rgb */ color: rgb(67, 127, 196);
/* oklch */ color: oklch(58.8% 0.123 253.4);

Tailwind

colors: {
  custom: {
    50: '#84a3d6',
    500: '#437fc4',
    950: '#000000',
  },
}

SCSS

$custom: #437fc4;
$custom-light: #84a3d6;
$custom-dark: #000000;

JSON

{
  "hex": "#437fc4",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 196
  },
  "hsl": {
    "h": 212.093,
    "s": 52.227,
    "l": 51.569
  },
  "oklch": {
    "l": 0.58839,
    "c": 0.12349,
    "h": 253.4
  },
  "luminance": 0.20358
}

Semantic roles & 50–950 ramp

primary

#437FC4

secondary

#CEB395

accent

#994CDC

background

#F8FAFD

surface

#F0F3FA

border

#CBCDD3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #437FC4

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

Preview Lab → · Contrast checker → · Palette generator →