#437CA1#437CA1

#437CA1 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.3% C 0.083 H 239.0°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#437CA1
RGB	rgb(67, 124, 161)
HSL	hsl(204, 41%, 45%)
HSV	hsv(204, 58%, 63%)
CMYK	cmyk(58.4%, 23%, 0%, 36.9%)
CIE-LAB	lab(49.71, -7.44, -25.48)
CIE-LCH	lch(49.71, 26.55, 253.71°)
OKLab	oklab(56.32% -0.0428 -0.0713)
OKLCH	oklch(56.32% 0.083 239)
XYZ	xyz(15.9530, 18.1804, 36.3798)
Luminance	0.1818 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437CA1 #A16843

analogous

#43A197 #437CA1 #434DA1

triadic

#437CA1 #A1437C #7CA143

tetradic

#437CA1 #9743A1 #A16843 #4DA143

square

#437CA1 #9743A1 #A16843 #4DA143

split-complementary

#437CA1 #A1434D #A19743

monochromatic

#1F394B #315B76 #437CA1 #639ABE #8EB6D0

Accessibility & contrast

On white

4.53

#437CA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#437CA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437CA1

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437CA1	#FFFFFF	#000000	##000000
##437CA1	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7CA3

Deuteranopia (green-blind)

#5E72A0

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #437ca1;
/* rgb */ color: rgb(67, 124, 161);
/* oklch */ color: oklch(56.3% 0.083 239.0);

Tailwind

colors: {
  custom: {
    50: '#7fa1bd',
    500: '#437ca1',
    950: '#000000',
  },
}

SCSS

$custom: #437ca1;
$custom-light: #7fa1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#437ca1",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 161
  },
  "hsl": {
    "h": 203.617,
    "s": 41.228,
    "l": 44.706
  },
  "oklch": {
    "l": 0.56316,
    "c": 0.08313,
    "h": 239
  },
  "luminance": 0.18182
}

Semantic roles & 50–950 ramp

primary

#437CA1

secondary

#BB9A84

accent

#8757D1

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0B0F12

muted

#7C7E81

Preview Lab

Preview with #437CA1

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

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