#437C8E#437C8E

#437C8E is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.5% C 0.066 H 220.6°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#437C8E
RGB	rgb(67, 124, 142)
HSL	hsl(194, 36%, 41%)
HSV	hsv(194, 53%, 56%)
CMYK	cmyk(52.8%, 12.7%, 0%, 44.3%)
CIE-LAB	lab(48.96, -13.43, -15.51)
CIE-LCH	lch(48.96, 20.52, 229.12°)
OKLab	oklab(55.47% -0.05 -0.0429)
OKLCH	oklch(55.47% 0.066 220.6)
XYZ	xyz(14.4030, 17.5604, 28.2164)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437C8E #8E5543

analogous

#438E7A #437C8E #43568E

triadic

#437C8E #8E437C #7C8E43

tetradic

#437C8E #7A438E #8E5543 #568E43

square

#437C8E #7A438E #8E5543 #568E43

split-complementary

#437C8E #8E4356 #8E7A43

monochromatic

#1C333B #2F5864 #437C8E #5C9DB2 #86B6C6

Accessibility & contrast

On white

4.65

#437C8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#437C8E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #437C8E

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437C8E	#FFFFFF	#000000	##FFFFFF
##437C8E	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71798F

Deuteranopia (green-blind)

#66718E

Tritanopia (blue-blind)

#138282

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #437c8e;
/* rgb */ color: rgb(67, 124, 142);
/* oklch */ color: oklch(55.5% 0.066 220.6);

Tailwind

colors: {
  custom: {
    50: '#7da2af',
    500: '#437c8e',
    950: '#000000',
  },
}

SCSS

$custom: #437c8e;
$custom-light: #7da2af;
$custom-dark: #000000;

JSON

{
  "hex": "#437c8e",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 142
  },
  "hsl": {
    "h": 194.4,
    "s": 35.885,
    "l": 40.98
  },
  "oklch": {
    "l": 0.55465,
    "c": 0.06595,
    "h": 220.6
  },
  "luminance": 0.17562
}

Semantic roles & 50–950 ramp

primary

#437C8E

secondary

#B1897C

accent

#775CCC

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0F10

muted

#7C7E7F

Preview Lab

Preview with #437C8E

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

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