#437CA9#437CA9

#437CA9 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.7% C 0.092 H 244.3°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#437CA9
RGB	rgb(67, 124, 169)
HSL	hsl(206, 43%, 46%)
HSV	hsv(206, 60%, 66%)
CMYK	cmyk(60.4%, 26.6%, 0%, 33.7%)
CIE-LAB	lab(50.06, -4.81, -29.59)
CIE-LCH	lch(50.06, 29.98, 260.76°)
OKLab	oklab(56.71% -0.04 -0.0831)
OKLCH	oklch(56.71% 0.092 244.3)
XYZ	xyz(16.6812, 18.4716, 40.2147)
Luminance	0.1847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437CA9 #A97043

analogous

#43A9A3 #437CA9 #4349A9

triadic

#437CA9 #A9437C #7CA943

tetradic

#437CA9 #A343A9 #A97043 #49A943

square

#437CA9 #A343A9 #A97043 #49A943

split-complementary

#437CA9 #A94349 #A9A343

monochromatic

#203C51 #325C7D #437CA9 #679AC3 #92B7D4

Accessibility & contrast

On white

4.47

#437CA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#437CA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437CA9

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437CA9	#FFFFFF	#000000	##000000
##437CA9	1.00	4.47	4.69	4.69
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687DAB

Deuteranopia (green-blind)

#5B73A8

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #437ca9;
/* rgb */ color: rgb(67, 124, 169);
/* oklch */ color: oklch(56.7% 0.092 244.3);

Tailwind

colors: {
  custom: {
    50: '#80a1c2',
    500: '#437ca9',
    950: '#000000',
  },
}

SCSS

$custom: #437ca9;
$custom-light: #80a1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#437ca9",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 169
  },
  "hsl": {
    "h": 206.471,
    "s": 43.22,
    "l": 46.275
  },
  "oklch": {
    "l": 0.56707,
    "c": 0.09226,
    "h": 244.3
  },
  "luminance": 0.18473
}

Semantic roles & 50–950 ramp

primary

#437CA9

secondary

#BFA188

accent

#8C55D3

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0F12

muted

#7C7E81

Preview Lab

Preview with #437CA9

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

Preview Lab → · Contrast checker → · Palette generator →