#437EA1#437EA1

#437EA1 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.8% C 0.082 H 236.7°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#437EA1
RGB	rgb(67, 126, 161)
HSL	hsl(202, 41%, 45%)
HSV	hsv(202, 58%, 63%)
CMYK	cmyk(58.4%, 21.7%, 0%, 36.9%)
CIE-LAB	lab(50.32, -8.60, -24.55)
CIE-LCH	lch(50.32, 26.01, 250.70°)
OKLab	oklab(56.79% -0.0451 -0.0686)
OKLCH	oklch(56.79% 0.082 236.7)
XYZ	xyz(16.2062, 18.6867, 36.4642)
Luminance	0.1869 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437EA1 #A16643

analogous

#43A195 #437EA1 #434FA1

triadic

#437EA1 #A1437E #7EA143

tetradic

#437EA1 #9543A1 #A16643 #4FA143

square

#437EA1 #9543A1 #A16643 #4FA143

split-complementary

#437EA1 #A1434F #A19543

monochromatic

#1F3A4B #315C76 #437EA1 #639CBE #8EB8D0

Accessibility & contrast

On white

4.43

#437EA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#437EA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437EA1

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437EA1	#FFFFFF	#000000	##000000
##437EA1	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7DA3

Deuteranopia (green-blind)

#6173A0

Tritanopia (blue-blind)

#00878A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #437ea1;
/* rgb */ color: rgb(67, 126, 161);
/* oklch */ color: oklch(56.8% 0.082 236.7);

Tailwind

colors: {
  custom: {
    50: '#7fa3bd',
    500: '#437ea1',
    950: '#000000',
  },
}

SCSS

$custom: #437ea1;
$custom-light: #7fa3bd;
$custom-dark: #000000;

JSON

{
  "hex": "#437ea1",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 161
  },
  "hsl": {
    "h": 202.34,
    "s": 41.228,
    "l": 44.706
  },
  "oklch": {
    "l": 0.56795,
    "c": 0.08209,
    "h": 236.7
  },
  "luminance": 0.18688
}

Semantic roles & 50–950 ramp

primary

#437EA1

secondary

#BB9984

accent

#8457D1

background

#F8FAFB

surface

#EFF3F6

border

#CACDD0

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #437EA1

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

Preview Lab → · Contrast checker → · Palette generator →