#437B87#437B87

#437B87 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 54.9% C 0.062 H 213.1°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#437B87
RGB	rgb(67, 123, 135)
HSL	hsl(191, 34%, 40%)
HSV	hsv(191, 50%, 53%)
CMYK	cmyk(50.4%, 8.9%, 0%, 47.1%)
CIE-LAB	lab(48.40, -14.97, -12.24)
CIE-LCH	lch(48.40, 19.34, 219.29°)
OKLab	oklab(54.93% -0.0517 -0.0338)
OKLCH	oklch(54.93% 0.062 213.1)
XYZ	xyz(13.7692, 17.1073, 25.4934)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437B87 #874F43

analogous

#438771 #437B87 #435987

triadic

#437B87 #87437B #7B8743

tetradic

#437B87 #714387 #874F43 #598743

square

#437B87 #714387 #874F43 #598743

split-complementary

#437B87 #874359 #877143

monochromatic

#1A3035 #2F565E #437B87 #5A9EAD #83B6C1

Accessibility & contrast

On white

4.75

#437B87 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#437B87 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #437B87

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437B87	#FFFFFF	#000000	##FFFFFF
##437B87	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727888

Deuteranopia (green-blind)

#676F87

Tritanopia (blue-blind)

#1D807F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #437b87;
/* rgb */ color: rgb(67, 123, 135);
/* oklch */ color: oklch(54.9% 0.062 213.1);

Tailwind

colors: {
  custom: {
    50: '#7ca1aa',
    500: '#437b87',
    950: '#000000',
  },
}

SCSS

$custom: #437b87;
$custom-light: #7ca1aa;
$custom-dark: #000000;

JSON

{
  "hex": "#437b87",
  "rgb": {
    "r": 67,
    "g": 123,
    "b": 135
  },
  "hsl": {
    "h": 190.588,
    "s": 33.663,
    "l": 39.608
  },
  "oklch": {
    "l": 0.54931,
    "c": 0.0618,
    "h": 213.1
  },
  "luminance": 0.17108
}

Semantic roles & 50–950 ramp

primary

#437B87

secondary

#AC8279

accent

#715ECA

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0F10

muted

#7C7E7F

Preview Lab

Preview with #437B87

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

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