#437EC5#437EC5

#437EC5 is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.7% C 0.126 H 254.3°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#437EC5
RGB	rgb(67, 126, 197)
HSL	hsl(213, 53%, 52%)
HSV	hsv(213, 66%, 77%)
CMYK	cmyk(66%, 36%, 0%, 22.7%)
CIE-LAB	lab(52.00, 3.55, -42.67)
CIE-LCH	lch(52.00, 42.82, 274.75°)
OKLab	oklab(58.67% -0.034 -0.1211)
OKLCH	oklch(58.67% 0.126 254.3)
XYZ	xyz(19.8500, 20.1442, 55.6546)
Luminance	0.2015 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437EC5 #C58A43

analogous

#43BFC5 #437EC5 #4943C5

triadic

#437EC5 #C5437E #7EC543

tetradic

#437EC5 #C543BF #C58A43 #43C549

square

#437EC5 #C543BF #C58A43 #43C549

split-complementary

#437EC5 #C54943 #BFC543

monochromatic

#21436C #30609B #437EC5 #729ED3 #A1BEE2

Accessibility & contrast

On white

4.18

#437EC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#437EC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437EC5

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437EC5	#FFFFFF	#000000	##000000
##437EC5	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F83C8

Deuteranopia (green-blind)

#4C76C4

Tritanopia (blue-blind)

#008E98

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #437ec5;
/* rgb */ color: rgb(67, 126, 197);
/* oklch */ color: oklch(58.7% 0.126 254.3);

Tailwind

colors: {
  custom: {
    50: '#84a3d7',
    500: '#437ec5',
    950: '#000000',
  },
}

SCSS

$custom: #437ec5;
$custom-light: #84a3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#437ec5",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 197
  },
  "hsl": {
    "h": 212.769,
    "s": 52.846,
    "l": 51.765
  },
  "oklch": {
    "l": 0.58671,
    "c": 0.1258,
    "h": 254.3
  },
  "luminance": 0.20146
}

Semantic roles & 50–950 ramp

primary

#437EC5

secondary

#CEB595

accent

#9B4CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #437EC5

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

Preview Lab → · Contrast checker → · Palette generator →