#437B8D#437B8D

#437B8D is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.2% C 0.065 H 221.0°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#437B8D
RGB	rgb(67, 123, 141)
HSL	hsl(195, 36%, 41%)
HSV	hsv(195, 52%, 55%)
CMYK	cmyk(52.5%, 12.8%, 0%, 44.7%)
CIE-LAB	lab(48.61, -13.17, -15.45)
CIE-LCH	lch(48.61, 20.30, 229.56°)
OKLab	oklab(55.18% -0.0492 -0.0428)
OKLCH	oklch(55.18% 0.065 221)
XYZ	xyz(14.2036, 17.2811, 27.7812)
Luminance	0.1728 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437B8D #8D5543

analogous

#438D7A #437B8D #43568D

triadic

#437B8D #8D437B #7B8D43

tetradic

#437B8D #7A438D #8D5543 #568D43

square

#437B8D #7A438D #8D5543 #568D43

split-complementary

#437B8D #8D4356 #8D7A43

monochromatic

#1C333A #2F5764 #437B8D #5C9DB1 #85B6C5

Accessibility & contrast

On white

4.71

#437B8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#437B8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #437B8D

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437B8D	#FFFFFF	#000000	##FFFFFF
##437B8D	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70788E

Deuteranopia (green-blind)

#65708D

Tritanopia (blue-blind)

#158181

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #437b8d;
/* rgb */ color: rgb(67, 123, 141);
/* oklch */ color: oklch(55.2% 0.065 221.0);

Tailwind

colors: {
  custom: {
    50: '#7da1ae',
    500: '#437b8d',
    950: '#000000',
  },
}

SCSS

$custom: #437b8d;
$custom-light: #7da1ae;
$custom-dark: #000000;

JSON

{
  "hex": "#437b8d",
  "rgb": {
    "r": 67,
    "g": 123,
    "b": 141
  },
  "hsl": {
    "h": 194.595,
    "s": 35.577,
    "l": 40.784
  },
  "oklch": {
    "l": 0.55176,
    "c": 0.06521,
    "h": 221
  },
  "luminance": 0.17282
}

Semantic roles & 50–950 ramp

primary

#437B8D

secondary

#B0887C

accent

#775CCC

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0F10

muted

#7C7E7F

Preview Lab

Preview with #437B8D

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

Preview Lab → · Contrast checker → · Palette generator →