#437ACA#437ACA

#437ACA is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.1% C 0.137 H 257.8°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#437ACA
RGB	rgb(67, 122, 202)
HSL	hsl(216, 56%, 53%)
HSV	hsv(216, 67%, 79%)
CMYK	cmyk(66.8%, 39.6%, 0%, 20.8%)
CIE-LAB	lab(51.12, 7.73, -46.91)
CIE-LCH	lch(51.12, 47.55, 279.36°)
OKLab	oklab(58.07% -0.0288 -0.1336)
OKLCH	oklch(58.07% 0.137 257.8)
XYZ	xyz(19.9311, 19.3746, 58.5550)
Luminance	0.1938 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437ACA #CA9343

analogous

#43BDCA #437ACA #5043CA

triadic

#437ACA #CA437A #7ACA43

tetradic

#437ACA #CA43BD #CA9343 #43CA50

square

#437ACA #CA43BD #CA9343 #43CA50

split-complementary

#437ACA #CA5043 #BDCA43

monochromatic

#204272 #2E5DA2 #437ACA #739CD7 #A2BEE5

Accessibility & contrast

On white

4.31

#437ACA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#437ACA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437ACA

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437ACA	#FFFFFF	#000000	##000000
##437ACA	1.00	4.31	4.88	4.88
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5681CD

Deuteranopia (green-blind)

#4174C8

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #437aca;
/* rgb */ color: rgb(67, 122, 202);
/* oklch */ color: oklch(58.1% 0.137 257.8);

Tailwind

colors: {
  custom: {
    50: '#85a0da',
    500: '#437aca',
    950: '#000000',
  },
}

SCSS

$custom: #437aca;
$custom-light: #85a0da;
$custom-dark: #000000;

JSON

{
  "hex": "#437aca",
  "rgb": {
    "r": 67,
    "g": 122,
    "b": 202
  },
  "hsl": {
    "h": 215.556,
    "s": 56.017,
    "l": 52.745
  },
  "oklch": {
    "l": 0.58074,
    "c": 0.13667,
    "h": 257.8
  },
  "luminance": 0.19377
}

Semantic roles & 50–950 ramp

primary

#437ACA

secondary

#D2BA97

accent

#A248DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #437ACA

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

Preview Lab → · Contrast checker → · Palette generator →