#437FAF#437FAF

#437FAF is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.7% C 0.097 H 244.8°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#437FAF
RGB	rgb(67, 127, 175)
HSL	hsl(207, 45%, 47%)
HSV	hsv(207, 62%, 69%)
CMYK	cmyk(61.7%, 27.4%, 0%, 31.4%)
CIE-LAB	lab(51.23, -4.57, -31.25)
CIE-LCH	lch(51.23, 31.59, 261.67°)
OKLab	oklab(57.72% -0.0414 -0.0879)
OKLCH	oklch(57.72% 0.097 244.8)
XYZ	xyz(17.6391, 19.4655, 43.3768)
Luminance	0.1947 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437FAF #AF7343

analogous

#43AFA9 #437FAF #4349AF

triadic

#437FAF #AF437F #7FAF43

tetradic

#437FAF #A943AF #AF7343 #49AF43

square

#437FAF #A943AF #AF7343 #49AF43

split-complementary

#437FAF #AF4349 #AFA943

monochromatic

#213F56 #325F83 #437FAF #699DC6 #96BAD7

Accessibility & contrast

On white

4.29

#437FAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#437FAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437FAF

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437FAF	#FFFFFF	#000000	##000000
##437FAF	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A80B1

Deuteranopia (green-blind)

#5B75AE

Tritanopia (blue-blind)

#008B90

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #437faf;
/* rgb */ color: rgb(67, 127, 175);
/* oklch */ color: oklch(57.7% 0.097 244.8);

Tailwind

colors: {
  custom: {
    50: '#81a4c7',
    500: '#437faf',
    950: '#000000',
  },
}

SCSS

$custom: #437faf;
$custom-light: #81a4c7;
$custom-dark: #000000;

JSON

{
  "hex": "#437faf",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 175
  },
  "hsl": {
    "h": 206.667,
    "s": 44.628,
    "l": 47.451
  },
  "oklch": {
    "l": 0.57715,
    "c": 0.09717,
    "h": 244.8
  },
  "luminance": 0.19467
}

Semantic roles & 50–950 ramp

primary

#437FAF

secondary

#C2A48B

accent

#8D53D4

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #437FAF

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

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