#437F9C#437F9C

#437F9C is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.8% C 0.077 H 231.2°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#437F9C
RGB	rgb(67, 127, 156)
HSL	hsl(200, 40%, 44%)
HSV	hsv(200, 57%, 61%)
CMYK	cmyk(57.1%, 18.6%, 0%, 38.8%)
CIE-LAB	lab(50.42, -10.77, -21.48)
CIE-LCH	lch(50.42, 24.03, 243.37°)
OKLab	oklab(56.81% -0.0481 -0.0598)
OKLCH	oklch(56.81% 0.077 231.2)
XYZ	xyz(15.9026, 18.7709, 34.2311)
Luminance	0.1877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437F9C #9C6043

analogous

#439C8C #437F9C #43529C

triadic

#437F9C #9C437F #7F9C43

tetradic

#437F9C #8C439C #9C6043 #529C43

square

#437F9C #8C439C #9C6043 #529C43

split-complementary

#437F9C #9C4352 #9C8C43

monochromatic

#1E3946 #315C71 #437F9C #619EBB #8CB8CE

Accessibility & contrast

On white

4.42

#437F9C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#437F9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437F9C

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437F9C	#FFFFFF	#000000	##000000
##437F9C	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717D9D

Deuteranopia (green-blind)

#64749C

Tritanopia (blue-blind)

#008788

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #437f9c;
/* rgb */ color: rgb(67, 127, 156);
/* oklch */ color: oklch(56.8% 0.077 231.2);

Tailwind

colors: {
  custom: {
    50: '#7ea4b9',
    500: '#437f9c',
    950: '#000000',
  },
}

SCSS

$custom: #437f9c;
$custom-light: #7ea4b9;
$custom-dark: #000000;

JSON

{
  "hex": "#437f9c",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 156
  },
  "hsl": {
    "h": 199.551,
    "s": 39.91,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56807,
    "c": 0.07678,
    "h": 231.2
  },
  "luminance": 0.18772
}

Semantic roles & 50–950 ramp

primary

#437F9C

secondary

#B99482

accent

#7F58D0

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #437F9C

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

Preview Lab → · Contrast checker → · Palette generator →