#437FC8#437FC8

#437FC8 is a mid, vivid cyan. Relative luminance 0.205; OKLCH L 59.1% C 0.129 H 254.6°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#437FC8
RGB	rgb(67, 127, 200)
HSL	hsl(213, 55%, 52%)
HSV	hsv(213, 67%, 78%)
CMYK	cmyk(66.5%, 36.5%, 0%, 21.6%)
CIE-LAB	lab(52.44, 3.99, -43.68)
CIE-LCH	lch(52.44, 43.86, 275.22°)
OKLab	oklab(59.07% -0.0342 -0.1241)
OKLCH	oklch(59.07% 0.129 254.6)
XYZ	xyz(20.3256, 20.5401, 57.5258)
Luminance	0.2054 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437FC8 #C88C43

analogous

#43C2C8 #437FC8 #4943C8

triadic

#437FC8 #C8437F #7FC843

tetradic

#437FC8 #C843C2 #C88C43 #43C849

square

#437FC8 #C843C2 #C88C43 #43C849

split-complementary

#437FC8 #C84943 #C2C843

monochromatic

#214470 #2F619F #437FC8 #729FD6 #A2BFE4

Accessibility & contrast

On white

4.11

#437FC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#437FC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437FC8

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437FC8	#FFFFFF	#000000	##000000
##437FC8	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F84CB

Deuteranopia (green-blind)

#4C77C7

Tritanopia (blue-blind)

#00909A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #437fc8;
/* rgb */ color: rgb(67, 127, 200);
/* oklch */ color: oklch(59.1% 0.129 254.6);

Tailwind

colors: {
  custom: {
    50: '#85a3d9',
    500: '#437fc8',
    950: '#000000',
  },
}

SCSS

$custom: #437fc8;
$custom-light: #85a3d9;
$custom-dark: #000000;

JSON

{
  "hex": "#437fc8",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 200
  },
  "hsl": {
    "h": 212.932,
    "s": 54.733,
    "l": 52.353
  },
  "oklch": {
    "l": 0.59067,
    "c": 0.1287,
    "h": 254.6
  },
  "luminance": 0.20542
}

Semantic roles & 50–950 ramp

primary

#437FC8

secondary

#D0B696

accent

#9B4ADE

background

#F8FAFD

surface

#F0F3FA

border

#CBCDD3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #437FC8

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

Preview Lab → · Contrast checker → · Palette generator →