#437FA1#437FA1

#437FA1 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.0% C 0.082 H 235.5°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#437FA1
RGB	rgb(67, 127, 161)
HSL	hsl(202, 41%, 45%)
HSV	hsv(202, 58%, 63%)
CMYK	cmyk(58.4%, 21.1%, 0%, 36.9%)
CIE-LAB	lab(50.62, -9.17, -24.08)
CIE-LCH	lch(50.62, 25.77, 249.15°)
OKLab	oklab(57.04% -0.0462 -0.0673)
OKLCH	oklch(57.04% 0.082 235.5)
XYZ	xyz(16.3347, 18.9437, 36.5070)
Luminance	0.1895 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437FA1 #A16543

analogous

#43A194 #437FA1 #4350A1

triadic

#437FA1 #A1437F #7FA143

tetradic

#437FA1 #9443A1 #A16543 #50A143

square

#437FA1 #9443A1 #A16543 #50A143

split-complementary

#437FA1 #A14350 #A19443

monochromatic

#1F3B4B #315D76 #437FA1 #639DBE #8EB8D0

Accessibility & contrast

On white

4.39

#437FA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#437FA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437FA1

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437FA1	#FFFFFF	#000000	##000000
##437FA1	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7EA3

Deuteranopia (green-blind)

#6274A0

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #437fa1;
/* rgb */ color: rgb(67, 127, 161);
/* oklch */ color: oklch(57.0% 0.082 235.5);

Tailwind

colors: {
  custom: {
    50: '#7fa4bd',
    500: '#437fa1',
    950: '#000000',
  },
}

SCSS

$custom: #437fa1;
$custom-light: #7fa4bd;
$custom-dark: #000000;

JSON

{
  "hex": "#437fa1",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 161
  },
  "hsl": {
    "h": 201.702,
    "s": 41.228,
    "l": 44.706
  },
  "oklch": {
    "l": 0.57035,
    "c": 0.08162,
    "h": 235.5
  },
  "luminance": 0.18945
}

Semantic roles & 50–950 ramp

primary

#437FA1

secondary

#BB9884

accent

#8357D1

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #437FA1

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

Preview Lab → · Contrast checker → · Palette generator →