#437ACF#437ACF

#437ACF is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.4% C 0.143 H 258.9°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#437ACF
RGB	rgb(67, 122, 207)
HSL	hsl(216, 59%, 54%)
HSV	hsv(216, 68%, 81%)
CMYK	cmyk(67.6%, 41.1%, 0%, 18.8%)
CIE-LAB	lab(51.40, 9.50, -49.32)
CIE-LCH	lch(51.40, 50.22, 280.90°)
OKLab	oklab(58.38% -0.0277 -0.1407)
OKLCH	oklch(58.38% 0.143 258.9)
XYZ	xyz(20.5327, 19.6153, 61.7234)
Luminance	0.1962 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437ACF #CF9843

analogous

#43C0CF #437ACF #5243CF

triadic

#437ACF #CF437A #7ACF43

tetradic

#437ACF #CF43C0 #CF9843 #43CF52

square

#437ACF #CF43C0 #CF9843 #43CF52

split-complementary

#437ACF #CF5243 #C0CF43

monochromatic

#1F4279 #2B5DAA #437ACF #749CDB #A5BFE8

Accessibility & contrast

On white

4.27

#437ACF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#437ACF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437ACF

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437ACF	#FFFFFF	#000000	##000000
##437ACF	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5381D2

Deuteranopia (green-blind)

#3C74CD

Tritanopia (blue-blind)

#008E9A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #437acf;
/* rgb */ color: rgb(67, 122, 207);
/* oklch */ color: oklch(58.4% 0.143 258.9);

Tailwind

colors: {
  custom: {
    50: '#869fde',
    500: '#437acf',
    950: '#000000',
  },
}

SCSS

$custom: #437acf;
$custom-light: #869fde;
$custom-dark: #000000;

JSON

{
  "hex": "#437acf",
  "rgb": {
    "r": 67,
    "g": 122,
    "b": 207
  },
  "hsl": {
    "h": 216.429,
    "s": 59.322,
    "l": 53.725
  },
  "oklch": {
    "l": 0.58379,
    "c": 0.14337,
    "h": 258.9
  },
  "luminance": 0.19617
}

Semantic roles & 50–950 ramp

primary

#437ACF

secondary

#D5BD99

accent

#A545E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #437ACF

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

Preview Lab → · Contrast checker → · Palette generator →