#437CA4#437CA4

#437CA4 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.5% C 0.086 H 241.2°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#437CA4
RGB	rgb(67, 124, 164)
HSL	hsl(205, 42%, 45%)
HSV	hsv(205, 59%, 64%)
CMYK	cmyk(59.1%, 24.4%, 0%, 35.7%)
CIE-LAB	lab(49.84, -6.46, -27.03)
CIE-LCH	lch(49.84, 27.79, 256.55°)
OKLab	oklab(56.46% -0.0417 -0.0757)
OKLCH	oklch(56.46% 0.086 241.2)
XYZ	xyz(16.2207, 18.2874, 37.7898)
Luminance	0.1829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437CA4 #A46B43

analogous

#43A49B #437CA4 #434CA4

triadic

#437CA4 #A4437C #7CA443

tetradic

#437CA4 #9B43A4 #A46B43 #4CA443

square

#437CA4 #9B43A4 #A46B43 #4CA443

split-complementary

#437CA4 #A4434C #A49B43

monochromatic

#1F3A4D #315B79 #437CA4 #649AC0 #90B6D2

Accessibility & contrast

On white

4.51

#437CA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#437CA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437CA4

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437CA4	#FFFFFF	#000000	##000000
##437CA4	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7CA6

Deuteranopia (green-blind)

#5D72A3

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #437ca4;
/* rgb */ color: rgb(67, 124, 164);
/* oklch */ color: oklch(56.5% 0.086 241.2);

Tailwind

colors: {
  custom: {
    50: '#7fa1bf',
    500: '#437ca4',
    950: '#000000',
  },
}

SCSS

$custom: #437ca4;
$custom-light: #7fa1bf;
$custom-dark: #000000;

JSON

{
  "hex": "#437ca4",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 164
  },
  "hsl": {
    "h": 204.742,
    "s": 41.991,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5646,
    "c": 0.08647,
    "h": 241.2
  },
  "luminance": 0.18289
}

Semantic roles & 50–950 ramp

primary

#437CA4

secondary

#BD9D86

accent

#8956D2

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0F12

muted

#7C7E81

Preview Lab

Preview with #437CA4

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

Preview Lab → · Contrast checker → · Palette generator →