#4374CF#4374CF

#4374CF is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.1% C 0.150 H 261.6°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4374CF
RGB	rgb(67, 116, 207)
HSL	hsl(219, 59%, 54%)
HSV	hsv(219, 68%, 81%)
CMYK	cmyk(67.6%, 44%, 0%, 18.8%)
CIE-LAB	lab(49.72, 13.21, -52.00)
CIE-LCH	lch(49.72, 53.65, 284.25°)
OKLab	oklab(57.08% -0.022 -0.1486)
OKLCH	oklch(57.08% 0.15 261.6)
XYZ	xyz(19.8186, 18.1871, 61.4854)
Luminance	0.1819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4374CF #CF9E43

analogous

#43BACF #4374CF #5843CF

triadic

#4374CF #CF4374 #74CF43

tetradic

#4374CF #CF43BA #CF9E43 #43CF58

square

#4374CF #CF43BA #CF9E43 #43CF58

split-complementary

#4374CF #CF5843 #BACF43

monochromatic

#1F3E79 #2B57AA #4374CF #7498DB #A5BCE8

Accessibility & contrast

On white

4.53

#4374CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#4374CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4374CF

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4374CF	#FFFFFF	#000000	##000000
##4374CF	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#487DD2

Deuteranopia (green-blind)

#2F70CD

Tritanopia (blue-blind)

#008997

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4374cf;
/* rgb */ color: rgb(67, 116, 207);
/* oklch */ color: oklch(57.1% 0.150 261.6);

Tailwind

colors: {
  custom: {
    50: '#869bde',
    500: '#4374cf',
    950: '#000000',
  },
}

SCSS

$custom: #4374cf;
$custom-light: #869bde;
$custom-dark: #000000;

JSON

{
  "hex": "#4374cf",
  "rgb": {
    "r": 67,
    "g": 116,
    "b": 207
  },
  "hsl": {
    "h": 219,
    "s": 59.322,
    "l": 53.725
  },
  "oklch": {
    "l": 0.57083,
    "c": 0.15024,
    "h": 261.6
  },
  "luminance": 0.18189
}

Semantic roles & 50–950 ramp

primary

#4374CF

secondary

#D5C099

accent

#AB45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4374CF

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

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