#437EAB#437EAB

#437EAB is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.3% C 0.093 H 243.5°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#437EAB
RGB	rgb(67, 126, 171)
HSL	hsl(206, 44%, 47%)
HSV	hsv(206, 61%, 67%)
CMYK	cmyk(60.8%, 26.3%, 0%, 32.9%)
CIE-LAB	lab(50.75, -5.32, -29.68)
CIE-LCH	lch(50.75, 30.16, 259.84°)
OKLab	oklab(57.28% -0.0416 -0.0834)
OKLCH	oklch(57.28% 0.093 243.5)
XYZ	xyz(17.1236, 19.0537, 41.2955)
Luminance	0.1905 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437EAB #AB7043

analogous

#43ABA4 #437EAB #434AAB

triadic

#437EAB #AB437E #7EAB43

tetradic

#437EAB #A443AB #AB7043 #4AAB43

square

#437EAB #A443AB #AB7043 #4AAB43

split-complementary

#437EAB #AB434A #ABA443

monochromatic

#213D53 #325E7F #437EAB #689CC4 #94B9D5

Accessibility & contrast

On white

4.36

#437EAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#437EAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437EAB

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437EAB	#FFFFFF	#000000	##000000
##437EAB	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7FAD

Deuteranopia (green-blind)

#5C74AA

Tritanopia (blue-blind)

#00898D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #437eab;
/* rgb */ color: rgb(67, 126, 171);
/* oklch */ color: oklch(57.3% 0.093 243.5);

Tailwind

colors: {
  custom: {
    50: '#80a3c4',
    500: '#437eab',
    950: '#000000',
  },
}

SCSS

$custom: #437eab;
$custom-light: #80a3c4;
$custom-dark: #000000;

JSON

{
  "hex": "#437eab",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 171
  },
  "hsl": {
    "h": 205.962,
    "s": 43.697,
    "l": 46.667
  },
  "oklch": {
    "l": 0.57279,
    "c": 0.09318,
    "h": 243.5
  },
  "luminance": 0.19055
}

Semantic roles & 50–950 ramp

primary

#437EAB

secondary

#C0A189

accent

#8B54D3

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #437EAB

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

Preview Lab → · Contrast checker → · Palette generator →