#437EA6#437EA6

#437EA6 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.0% C 0.087 H 240.3°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#437EA6
RGB	rgb(67, 126, 166)
HSL	hsl(204, 42%, 46%)
HSV	hsv(204, 60%, 65%)
CMYK	cmyk(59.6%, 24.1%, 0%, 34.9%)
CIE-LAB	lab(50.53, -6.97, -27.12)
CIE-LCH	lch(50.53, 28.01, 255.59°)
OKLab	oklab(57.03% -0.0433 -0.076)
OKLCH	oklch(57.03% 0.087 240.3)
XYZ	xyz(16.6560, 18.8666, 38.8329)
Luminance	0.1887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437EA6 #A66B43

analogous

#43A69C #437EA6 #434DA6

triadic

#437EA6 #A6437E #7EA643

tetradic

#437EA6 #9C43A6 #A66B43 #4DA643

square

#437EA6 #9C43A6 #A66B43 #4DA643

split-complementary

#437EA6 #A6434D #A69C43

monochromatic

#203C4F #315D7A #437EA6 #659CC1 #91B8D3

Accessibility & contrast

On white

4.40

#437EA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#437EA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437EA6

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437EA6	#FFFFFF	#000000	##000000
##437EA6	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7EA8

Deuteranopia (green-blind)

#5F74A5

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #437ea6;
/* rgb */ color: rgb(67, 126, 166);
/* oklch */ color: oklch(57.0% 0.087 240.3);

Tailwind

colors: {
  custom: {
    50: '#80a3c0',
    500: '#437ea6',
    950: '#000000',
  },
}

SCSS

$custom: #437ea6;
$custom-light: #80a3c0;
$custom-dark: #000000;

JSON

{
  "hex": "#437ea6",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 166
  },
  "hsl": {
    "h": 204.242,
    "s": 42.489,
    "l": 45.686
  },
  "oklch": {
    "l": 0.57033,
    "c": 0.08747,
    "h": 240.3
  },
  "luminance": 0.18868
}

Semantic roles & 50–950 ramp

primary

#437EA6

secondary

#BE9D87

accent

#8856D2

background

#F8FAFB

surface

#EFF3F7

border

#CACDD0

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #437EA6

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

Preview Lab → · Contrast checker → · Palette generator →