#437AA4#437AA4

#437AA4 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 56.0% C 0.088 H 243.3°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#437AA4
RGB	rgb(67, 122, 164)
HSL	hsl(206, 42%, 45%)
HSV	hsv(206, 59%, 64%)
CMYK	cmyk(59.1%, 25.6%, 0%, 35.7%)
CIE-LAB	lab(49.24, -5.30, -27.96)
CIE-LCH	lch(49.24, 28.46, 259.28°)
OKLab	oklab(55.99% -0.0394 -0.0784)
OKLCH	oklch(55.99% 0.088 243.3)
XYZ	xyz(15.9726, 17.7912, 37.7071)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437AA4 #A46D43

analogous

#43A49D #437AA4 #434AA4

triadic

#437AA4 #A4437A #7AA443

tetradic

#437AA4 #9D43A4 #A46D43 #4AA443

square

#437AA4 #9D43A4 #A46D43 #4AA443

split-complementary

#437AA4 #A4434A #A49D43

monochromatic

#1F394D #315A79 #437AA4 #6498C0 #90B5D2

Accessibility & contrast

On white

4.61

#437AA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#437AA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #437AA4

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437AA4	#FFFFFF	#000000	##FFFFFF
##437AA4	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687AA6

Deuteranopia (green-blind)

#5B71A3

Tritanopia (blue-blind)

#008488

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #437aa4;
/* rgb */ color: rgb(67, 122, 164);
/* oklch */ color: oklch(56.0% 0.088 243.3);

Tailwind

colors: {
  custom: {
    50: '#7fa0bf',
    500: '#437aa4',
    950: '#000000',
  },
}

SCSS

$custom: #437aa4;
$custom-light: #7fa0bf;
$custom-dark: #000000;

JSON

{
  "hex": "#437aa4",
  "rgb": {
    "r": 67,
    "g": 122,
    "b": 164
  },
  "hsl": {
    "h": 205.979,
    "s": 41.991,
    "l": 45.294
  },
  "oklch": {
    "l": 0.55985,
    "c": 0.08778,
    "h": 243.3
  },
  "luminance": 0.17793
}

Semantic roles & 50–950 ramp

primary

#437AA4

secondary

#BD9E86

accent

#8C56D2

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #437AA4

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

Preview Lab → · Contrast checker → · Palette generator →