#437399#437399

#437399 is a mid, moderate cyan. Relative luminance 0.158; OKLCH L 53.8% C 0.080 H 243.9°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#437399
RGB	rgb(67, 115, 153)
HSL	hsl(207, 39%, 43%)
HSV	hsv(207, 56%, 60%)
CMYK	cmyk(56.2%, 24.8%, 0%, 40%)
CIE-LAB	lab(46.65, -4.77, -25.54)
CIE-LCH	lch(46.65, 25.98, 259.41°)
OKLab	oklab(53.78% -0.035 -0.0715)
OKLCH	oklch(53.78% 0.08 243.9)
XYZ	xyz(14.1932, 15.7535, 32.4236)
Luminance	0.1575 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437399 #996943

analogous

#439994 #437399 #434899

triadic

#437399 #994373 #739943

tetradic

#437399 #944399 #996943 #489943

square

#437399 #944399 #996943 #489943

split-complementary

#437399 #994348 #999443

monochromatic

#1E3344 #30536E #437399 #6092B9 #8AAFCC

Accessibility & contrast

On white

5.06

#437399 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#437399 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #437399

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437399	#FFFFFF	#000000	##FFFFFF
##437399	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63739B

Deuteranopia (green-blind)

#576B98

Tritanopia (blue-blind)

#017C80

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #437399;
/* rgb */ color: rgb(67, 115, 153);
/* oklch */ color: oklch(53.8% 0.080 243.9);

Tailwind

colors: {
  custom: {
    50: '#7e9bb7',
    500: '#437399',
    950: '#000000',
  },
}

SCSS

$custom: #437399;
$custom-light: #7e9bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#437399",
  "rgb": {
    "r": 67,
    "g": 115,
    "b": 153
  },
  "hsl": {
    "h": 206.512,
    "s": 39.091,
    "l": 43.137
  },
  "oklch": {
    "l": 0.53778,
    "c": 0.0796,
    "h": 243.9
  },
  "luminance": 0.15755
}

Semantic roles & 50–950 ramp

primary

#437399

secondary

#B79981

accent

#8D59CF

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #437399

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

Preview Lab → · Contrast checker → · Palette generator →