#437D8D#437D8D

#437D8D is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.7% C 0.065 H 217.8°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#437D8D
RGB	rgb(67, 125, 141)
HSL	hsl(193, 36%, 41%)
HSV	hsv(193, 52%, 55%)
CMYK	cmyk(52.5%, 11.3%, 0%, 44.7%)
CIE-LAB	lab(49.23, -14.29, -14.51)
CIE-LCH	lch(49.23, 20.36, 225.45°)
OKLab	oklab(55.67% -0.0517 -0.0401)
OKLCH	oklch(55.67% 0.065 217.8)
XYZ	xyz(14.4542, 17.7824, 27.8648)
Luminance	0.1778 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437D8D #8D5343

analogous

#438D78 #437D8D #43588D

triadic

#437D8D #8D437D #7D8D43

tetradic

#437D8D #78438D #8D5343 #588D43

square

#437D8D #78438D #8D5343 #588D43

split-complementary

#437D8D #8D4358 #8D7843

monochromatic

#1C333A #2F5864 #437D8D #5C9FB1 #85B7C5

Accessibility & contrast

On white

4.61

#437D8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#437D8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #437D8D

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437D8D	#FFFFFF	#000000	##FFFFFF
##437D8D	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727A8E

Deuteranopia (green-blind)

#67718D

Tritanopia (blue-blind)

#148382

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #437d8d;
/* rgb */ color: rgb(67, 125, 141);
/* oklch */ color: oklch(55.7% 0.065 217.8);

Tailwind

colors: {
  custom: {
    50: '#7da2ae',
    500: '#437d8d',
    950: '#000000',
  },
}

SCSS

$custom: #437d8d;
$custom-light: #7da2ae;
$custom-dark: #000000;

JSON

{
  "hex": "#437d8d",
  "rgb": {
    "r": 67,
    "g": 125,
    "b": 141
  },
  "hsl": {
    "h": 192.973,
    "s": 35.577,
    "l": 40.784
  },
  "oklch": {
    "l": 0.5567,
    "c": 0.06543,
    "h": 217.8
  },
  "luminance": 0.17784
}

Semantic roles & 50–950 ramp

primary

#437D8D

secondary

#B0877C

accent

#745CCC

background

#F7FAFA

surface

#EEF3F4

border

#C9CDCE

text

#0A0F10

muted

#7C7F7F

Preview Lab

Preview with #437D8D

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

Preview Lab → · Contrast checker → · Palette generator →