#437C8D#437C8D

#437C8D is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.4% C 0.065 H 219.4°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#437C8D
RGB	rgb(67, 124, 141)
HSL	hsl(194, 36%, 41%)
HSV	hsv(194, 52%, 55%)
CMYK	cmyk(52.5%, 12.1%, 0%, 44.7%)
CIE-LAB	lab(48.92, -13.73, -14.98)
CIE-LCH	lch(48.92, 20.32, 227.50°)
OKLab	oklab(55.42% -0.0505 -0.0414)
OKLCH	oklch(55.42% 0.065 219.4)
XYZ	xyz(14.3283, 17.5305, 27.8228)
Luminance	0.1753 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437C8D #8D5443

analogous

#438D79 #437C8D #43578D

triadic

#437C8D #8D437C #7C8D43

tetradic

#437C8D #79438D #8D5443 #578D43

square

#437C8D #79438D #8D5443 #578D43

split-complementary

#437C8D #8D4357 #8D7943

monochromatic

#1C333A #2F5864 #437C8D #5C9EB1 #85B6C5

Accessibility & contrast

On white

4.66

#437C8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#437C8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #437C8D

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437C8D	#FFFFFF	#000000	##FFFFFF
##437C8D	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71798E

Deuteranopia (green-blind)

#66718D

Tritanopia (blue-blind)

#158281

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #437c8d;
/* rgb */ color: rgb(67, 124, 141);
/* oklch */ color: oklch(55.4% 0.065 219.4);

Tailwind

colors: {
  custom: {
    50: '#7da2ae',
    500: '#437c8d',
    950: '#000000',
  },
}

SCSS

$custom: #437c8d;
$custom-light: #7da2ae;
$custom-dark: #000000;

JSON

{
  "hex": "#437c8d",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 141
  },
  "hsl": {
    "h": 193.784,
    "s": 35.577,
    "l": 40.784
  },
  "oklch": {
    "l": 0.55423,
    "c": 0.0653,
    "h": 219.4
  },
  "luminance": 0.17532
}

Semantic roles & 50–950 ramp

primary

#437C8D

secondary

#B0887C

accent

#765CCC

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0F10

muted

#7C7E7F

Preview Lab

Preview with #437C8D

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

Preview Lab → · Contrast checker → · Palette generator →