#437C8F#437C8F

#437C8F is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.5% C 0.067 H 221.8°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#437C8F
RGB	rgb(67, 124, 143)
HSL	hsl(195, 36%, 41%)
HSV	hsv(195, 53%, 56%)
CMYK	cmyk(53.1%, 13.3%, 0%, 43.9%)
CIE-LAB	lab(49.00, -13.12, -16.04)
CIE-LCH	lch(49.00, 20.73, 230.72°)
OKLab	oklab(55.51% -0.0496 -0.0444)
OKLCH	oklch(55.51% 0.067 221.8)
XYZ	xyz(14.4784, 17.5905, 28.6136)
Luminance	0.1759 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437C8F #8F5643

analogous

#438F7C #437C8F #43568F

triadic

#437C8F #8F437C #7C8F43

tetradic

#437C8F #7C438F #8F5643 #568F43

square

#437C8F #7C438F #8F5643 #568F43

split-complementary

#437C8F #8F4356 #8F7C43

monochromatic

#1C343C #2F5865 #437C8F #5C9DB3 #86B6C6

Accessibility & contrast

On white

4.65

#437C8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#437C8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #437C8F

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437C8F	#FFFFFF	#000000	##FFFFFF
##437C8F	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#717990

Deuteranopia (green-blind)

#65718F

Tritanopia (blue-blind)

#128282

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #437c8f;
/* rgb */ color: rgb(67, 124, 143);
/* oklch */ color: oklch(55.5% 0.067 221.8);

Tailwind

colors: {
  custom: {
    50: '#7da2af',
    500: '#437c8f',
    950: '#000000',
  },
}

SCSS

$custom: #437c8f;
$custom-light: #7da2af;
$custom-dark: #000000;

JSON

{
  "hex": "#437c8f",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 143
  },
  "hsl": {
    "h": 195,
    "s": 36.19,
    "l": 41.176
  },
  "oklch": {
    "l": 0.55507,
    "c": 0.06663,
    "h": 221.8
  },
  "luminance": 0.17592
}

Semantic roles & 50–950 ramp

primary

#437C8F

secondary

#B18A7D

accent

#785CCC

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0F10

muted

#7C7E7F

Preview Lab

Preview with #437C8F

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

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