#437BC4#437BC4

#437BC4 is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.9% C 0.128 H 255.9°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#437BC4
RGB	rgb(67, 123, 196)
HSL	hsl(214, 52%, 52%)
HSV	hsv(214, 66%, 77%)
CMYK	cmyk(65.8%, 37.2%, 0%, 23.1%)
CIE-LAB	lab(51.09, 5.01, -43.55)
CIE-LCH	lch(51.09, 43.83, 276.57°)
OKLab	oklab(57.94% -0.0312 -0.1237)
OKLCH	oklch(57.94% 0.128 255.9)
XYZ	xyz(19.3579, 19.3428, 54.9272)
Luminance	0.1935 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437BC4 #C48C43

analogous

#43BCC4 #437BC4 #4C43C4

triadic

#437BC4 #C4437B #7BC443

tetradic

#437BC4 #C443BC #C48C43 #43C44C

square

#437BC4 #C443BC #C48C43 #43C44C

split-complementary

#437BC4 #C44C43 #BCC443

monochromatic

#22416B #305E9A #437BC4 #729CD3 #A0BCE1

Accessibility & contrast

On white

4.31

#437BC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#437BC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437BC4

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437BC4	#FFFFFF	#000000	##000000
##437BC4	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B80C7

Deuteranopia (green-blind)

#4874C3

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #437bc4;
/* rgb */ color: rgb(67, 123, 196);
/* oklch */ color: oklch(57.9% 0.128 255.9);

Tailwind

colors: {
  custom: {
    50: '#84a0d6',
    500: '#437bc4',
    950: '#000000',
  },
}

SCSS

$custom: #437bc4;
$custom-light: #84a0d6;
$custom-dark: #000000;

JSON

{
  "hex": "#437bc4",
  "rgb": {
    "r": 67,
    "g": 123,
    "b": 196
  },
  "hsl": {
    "h": 213.953,
    "s": 52.227,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57941,
    "c": 0.1276,
    "h": 255.9
  },
  "luminance": 0.19345
}

Semantic roles & 50–950 ramp

primary

#437BC4

secondary

#CEB595

accent

#9D4CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #437BC4

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

Preview Lab → · Contrast checker → · Palette generator →