#437EC3#437EC3

#437EC3 is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.6% C 0.123 H 253.7°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#437EC3
RGB	rgb(67, 126, 195)
HSL	hsl(212, 52%, 51%)
HSV	hsv(212, 66%, 76%)
CMYK	cmyk(65.6%, 35.4%, 0%, 23.5%)
CIE-LAB	lab(51.90, 2.85, -41.69)
CIE-LCH	lch(51.90, 41.79, 273.91°)
OKLab	oklab(58.56% -0.0345 -0.1183)
OKLCH	oklch(58.56% 0.123 253.7)
XYZ	xyz(19.6223, 20.0532, 54.4557)
Luminance	0.2006 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437EC3 #C38843

analogous

#43BEC3 #437EC3 #4843C3

triadic

#437EC3 #C3437E #7EC343

tetradic

#437EC3 #C343BE #C38843 #43C348

square

#437EC3 #C343BE #C38843 #43C348

split-complementary

#437EC3 #C34843 #BEC343

monochromatic

#22436A #316098 #437EC3 #719ED2 #A0BEE1

Accessibility & contrast

On white

4.19

#437EC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#437EC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437EC3

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437EC3	#FFFFFF	#000000	##000000
##437EC3	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6082C6

Deuteranopia (green-blind)

#4E76C2

Tritanopia (blue-blind)

#008E97

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #437ec3;
/* rgb */ color: rgb(67, 126, 195);
/* oklch */ color: oklch(58.6% 0.123 253.7);

Tailwind

colors: {
  custom: {
    50: '#84a3d5',
    500: '#437ec3',
    950: '#000000',
  },
}

SCSS

$custom: #437ec3;
$custom-light: #84a3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#437ec3",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 195
  },
  "hsl": {
    "h": 212.344,
    "s": 51.613,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58557,
    "c": 0.12319,
    "h": 253.7
  },
  "luminance": 0.20055
}

Semantic roles & 50–950 ramp

primary

#437EC3

secondary

#CDB395

accent

#994DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #437EC3

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

Preview Lab → · Contrast checker → · Palette generator →