#437FCC#437FCC

#437FCC is a mid, vivid cyan. Relative luminance 0.207; OKLCH L 59.3% C 0.134 H 255.6°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#437FCC
RGB	rgb(67, 127, 204)
HSL	hsl(214, 57%, 53%)
HSV	hsv(214, 67%, 80%)
CMYK	cmyk(67.2%, 37.7%, 0%, 20%)
CIE-LAB	lab(52.65, 5.39, -45.62)
CIE-LCH	lch(52.65, 45.94, 276.74°)
OKLab	oklab(59.3% -0.0332 -0.1298)
OKLCH	oklch(59.3% 0.134 255.6)
XYZ	xyz(20.7992, 20.7296, 60.0201)
Luminance	0.2073 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437FCC #CC9043

analogous

#43C3CC #437FCC #4C43CC

triadic

#437FCC #CC437F #7FCC43

tetradic

#437FCC #CC43C3 #CC9043 #43CC4C

square

#437FCC #CC43C3 #CC9043 #43CC4C

split-complementary

#437FCC #CC4C43 #C3CC43

monochromatic

#204575 #2D61A5 #437FCC #73A0D9 #A3C1E6

Accessibility & contrast

On white

4.08

#437FCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#437FCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437FCC

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437FCC	#FFFFFF	#000000	##000000
##437FCC	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C85CF

Deuteranopia (green-blind)

#4878CA

Tritanopia (blue-blind)

#00919C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #437fcc;
/* rgb */ color: rgb(67, 127, 204);
/* oklch */ color: oklch(59.3% 0.134 255.6);

Tailwind

colors: {
  custom: {
    50: '#85a3dc',
    500: '#437fcc',
    950: '#000000',
  },
}

SCSS

$custom: #437fcc;
$custom-light: #85a3dc;
$custom-dark: #000000;

JSON

{
  "hex": "#437fcc",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 204
  },
  "hsl": {
    "h": 213.723,
    "s": 57.322,
    "l": 53.137
  },
  "oklch": {
    "l": 0.59299,
    "c": 0.13395,
    "h": 255.6
  },
  "luminance": 0.20732
}

Semantic roles & 50–950 ramp

primary

#437FCC

secondary

#D3B998

accent

#9D47E1

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #437FCC

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

Preview Lab → · Contrast checker → · Palette generator →