#437E8A#437E8A

#437E8A is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.8% C 0.064 H 212.4°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#437E8A
RGB	rgb(67, 126, 138)
HSL	hsl(190, 35%, 40%)
HSV	hsv(190, 51%, 54%)
CMYK	cmyk(51.4%, 8.7%, 0%, 45.9%)
CIE-LAB	lab(49.43, -15.73, -12.44)
CIE-LCH	lch(49.43, 20.06, 218.34°)
OKLab	oklab(55.8% -0.0542 -0.0343)
OKLCH	oklch(55.8% 0.064 212.4)
XYZ	xyz(14.3613, 17.9488, 26.7475)
Luminance	0.1795 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437E8A #8A4F43

analogous

#438A72 #437E8A #435A8A

triadic

#437E8A #8A437E #7E8A43

tetradic

#437E8A #72438A #8A4F43 #5A8A43

square

#437E8A #72438A #8A4F43 #5A8A43

split-complementary

#437E8A #8A435A #8A7243

monochromatic

#1B3338 #2F5861 #437E8A #5BA1AF #84B9C3

Accessibility & contrast

On white

4.58

#437E8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#437E8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437E8A

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437E8A	#FFFFFF	#000000	##000000
##437E8A	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747A8B

Deuteranopia (green-blind)

#69728A

Tritanopia (blue-blind)

#188382

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #437e8a;
/* rgb */ color: rgb(67, 126, 138);
/* oklch */ color: oklch(55.8% 0.064 212.4);

Tailwind

colors: {
  custom: {
    50: '#7da3ac',
    500: '#437e8a',
    950: '#000000',
  },
}

SCSS

$custom: #437e8a;
$custom-light: #7da3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#437e8a",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 138
  },
  "hsl": {
    "h": 190.141,
    "s": 34.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.55797,
    "c": 0.06414,
    "h": 212.4
  },
  "luminance": 0.1795
}

Semantic roles & 50–950 ramp

primary

#437E8A

secondary

#AE837B

accent

#705DCB

background

#F7FAFA

surface

#EEF3F4

border

#C9CDCE

text

#0A0F10

muted

#7C7F7F

Preview Lab

Preview with #437E8A

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

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