#437FC3#437FC3

#437FC3 is a mid, vivid cyan. Relative luminance 0.203; OKLCH L 58.8% C 0.122 H 253.1°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#437FC3
RGB	rgb(67, 127, 195)
HSL	hsl(212, 52%, 51%)
HSV	hsv(212, 66%, 76%)
CMYK	cmyk(65.6%, 34.9%, 0%, 23.5%)
CIE-LAB	lab(52.19, 2.25, -41.23)
CIE-LCH	lch(52.19, 41.29, 273.12°)
OKLab	oklab(58.78% -0.0355 -0.1169)
OKLCH	oklch(58.78% 0.122 253.1)
XYZ	xyz(19.7508, 20.3102, 54.4986)
Luminance	0.2031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437FC3 #C38743

analogous

#43BFC3 #437FC3 #4743C3

triadic

#437FC3 #C3437F #7FC343

tetradic

#437FC3 #C343BF #C38743 #43C347

square

#437FC3 #C343BF #C38743 #43C347

split-complementary

#437FC3 #C34743 #BFC343

monochromatic

#22446A #316198 #437FC3 #719FD2 #A0BEE1

Accessibility & contrast

On white

4.15

#437FC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#437FC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437FC3

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437FC3	#FFFFFF	#000000	##000000
##437FC3	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6183C6

Deuteranopia (green-blind)

#4F77C2

Tritanopia (blue-blind)

#008F98

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #437fc3;
/* rgb */ color: rgb(67, 127, 195);
/* oklch */ color: oklch(58.8% 0.122 253.1);

Tailwind

colors: {
  custom: {
    50: '#84a3d5',
    500: '#437fc3',
    950: '#000000',
  },
}

SCSS

$custom: #437fc3;
$custom-light: #84a3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#437fc3",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 195
  },
  "hsl": {
    "h": 211.875,
    "s": 51.613,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58783,
    "c": 0.1222,
    "h": 253.1
  },
  "luminance": 0.20312
}

Semantic roles & 50–950 ramp

primary

#437FC3

secondary

#CDB395

accent

#984DDB

background

#F8FAFD

surface

#F0F3FA

border

#CBCDD3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #437FC3

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

Preview Lab → · Contrast checker → · Palette generator →