#437CBF#437CBF

#437CBF is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.9% C 0.120 H 253.8°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#437CBF
RGB	rgb(67, 124, 191)
HSL	hsl(212, 49%, 51%)
HSV	hsv(212, 65%, 75%)
CMYK	cmyk(64.9%, 35.1%, 0%, 25.1%)
CIE-LAB	lab(51.12, 2.67, -40.64)
CIE-LCH	lch(51.12, 40.72, 273.76°)
OKLab	oklab(57.88% -0.0335 -0.1152)
OKLCH	oklch(57.88% 0.12 253.8)
XYZ	xyz(18.9229, 19.3683, 52.0213)
Luminance	0.1937 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437CBF #BF8643

analogous

#43BABF #437CBF #4843BF

triadic

#437CBF #BF437C #7CBF43

tetradic

#437CBF #BF43BA #BF8643 #43BF48

square

#437CBF #BF43BA #BF8643 #43BF48

split-complementary

#437CBF #BF4843 #BABF43

monochromatic

#224165 #325E93 #437CBF #719CCF #9EBCDE

Accessibility & contrast

On white

4.31

#437CBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#437CBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437CBF

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437CBF	#FFFFFF	#000000	##000000
##437CBF	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F80C2

Deuteranopia (green-blind)

#4E74BE

Tritanopia (blue-blind)

#008B94

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #437cbf;
/* rgb */ color: rgb(67, 124, 191);
/* oklch */ color: oklch(57.9% 0.120 253.8);

Tailwind

colors: {
  custom: {
    50: '#83a1d2',
    500: '#437cbf',
    950: '#000000',
  },
}

SCSS

$custom: #437cbf;
$custom-light: #83a1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#437cbf",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 191
  },
  "hsl": {
    "h": 212.419,
    "s": 49.206,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57879,
    "c": 0.11998,
    "h": 253.8
  },
  "luminance": 0.1937
}

Semantic roles & 50–950 ramp

primary

#437CBF

secondary

#CAB193

accent

#994FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #437CBF

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

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