#437C8A#437C8A

#437C8A is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.3% C 0.064 H 215.6°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#437C8A
RGB	rgb(67, 124, 138)
HSL	hsl(192, 35%, 40%)
HSV	hsv(192, 51%, 54%)
CMYK	cmyk(51.4%, 10.1%, 0%, 45.9%)
CIE-LAB	lab(48.81, -14.63, -13.38)
CIE-LCH	lch(48.81, 19.82, 222.45°)
OKLab	oklab(55.3% -0.0517 -0.037)
OKLCH	oklch(55.3% 0.064 215.6)
XYZ	xyz(14.1081, 17.4424, 26.6631)
Luminance	0.1744 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437C8A #8A5143

analogous

#438A74 #437C8A #43588A

triadic

#437C8A #8A437C #7C8A43

tetradic

#437C8A #74438A #8A5143 #588A43

square

#437C8A #74438A #8A5143 #588A43

split-complementary

#437C8A #8A4358 #8A7443

monochromatic

#1B3238 #2F5761 #437C8A #5B9FAF #84B7C3

Accessibility & contrast

On white

4.68

#437C8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#437C8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #437C8A

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437C8A	#FFFFFF	#000000	##FFFFFF
##437C8A	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72798B

Deuteranopia (green-blind)

#67708A

Tritanopia (blue-blind)

#198180

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #437c8a;
/* rgb */ color: rgb(67, 124, 138);
/* oklch */ color: oklch(55.3% 0.064 215.6);

Tailwind

colors: {
  custom: {
    50: '#7da2ac',
    500: '#437c8a',
    950: '#000000',
  },
}

SCSS

$custom: #437c8a;
$custom-light: #7da2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#437c8a",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 138
  },
  "hsl": {
    "h": 191.831,
    "s": 34.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.553,
    "c": 0.06356,
    "h": 215.6
  },
  "luminance": 0.17444
}

Semantic roles & 50–950 ramp

primary

#437C8A

secondary

#AE857B

accent

#735DCB

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0F10

muted

#7C7E7F

Preview Lab

Preview with #437C8A

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

Preview Lab → · Contrast checker → · Palette generator →