#437CBA#437CBA

#437CBA is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.6% C 0.113 H 252.1°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#437CBA
RGB	rgb(67, 124, 186)
HSL	hsl(211, 47%, 50%)
HSV	hsv(211, 64%, 73%)
CMYK	cmyk(64%, 33.3%, 0%, 27.1%)
CIE-LAB	lab(50.86, 0.94, -38.16)
CIE-LCH	lch(50.86, 38.17, 271.41°)
OKLab	oklab(57.6% -0.0348 -0.108)
OKLCH	oklch(57.6% 0.113 252.1)
XYZ	xyz(18.3821, 19.1520, 49.1728)
Luminance	0.1915 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437CBA #BA8143

analogous

#43B8BA #437CBA #4643BA

triadic

#437CBA #BA437C #7CBA43

tetradic

#437CBA #BA43B8 #BA8143 #43BA46

square

#437CBA #BA43B8 #BA8143 #43BA46

split-complementary

#437CBA #BA4643 #B8BA43

monochromatic

#234060 #335E8D #437CBA #6F9BCB #9CBADB

Accessibility & contrast

On white

4.35

#437CBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#437CBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437CBA

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437CBA	#FFFFFF	#000000	##000000
##437CBA	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617FBD

Deuteranopia (green-blind)

#5174B9

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #437cba;
/* rgb */ color: rgb(67, 124, 186);
/* oklch */ color: oklch(57.6% 0.113 252.1);

Tailwind

colors: {
  custom: {
    50: '#82a1cf',
    500: '#437cba',
    950: '#000000',
  },
}

SCSS

$custom: #437cba;
$custom-light: #82a1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#437cba",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 186
  },
  "hsl": {
    "h": 211.261,
    "s": 47.036,
    "l": 49.608
  },
  "oklch": {
    "l": 0.57601,
    "c": 0.11348,
    "h": 252.1
  },
  "luminance": 0.19154
}

Semantic roles & 50–950 ramp

primary

#437CBA

secondary

#C8AE91

accent

#9751D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #437CBA

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

Preview Lab → · Contrast checker → · Palette generator →