#4274CF#4274CF

#4274CF is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.0% C 0.151 H 261.3°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4274CF
RGB	rgb(66, 116, 207)
HSL	hsl(219, 59%, 54%)
HSV	hsv(219, 68%, 81%)
CMYK	cmyk(68.1%, 44%, 0%, 18.8%)
CIE-LAB	lab(49.68, 13.05, -52.07)
CIE-LCH	lch(49.68, 53.68, 284.07°)
OKLab	oklab(57.04% -0.0228 -0.1488)
OKLCH	oklch(57.04% 0.151 261.3)
XYZ	xyz(19.7506, 18.1520, 61.4822)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4274CF #CF9D42

analogous

#42BBCF #4274CF #5642CF

triadic

#4274CF #CF4274 #74CF42

tetradic

#4274CF #CF42BB #CF9D42 #42CF56

square

#4274CF #CF42BB #CF9D42 #42CF56

split-complementary

#4274CF #CF5642 #BBCF42

monochromatic

#1F3E78 #2B58A9 #4274CF #7398DB #A4BCE8

Accessibility & contrast

On white

4.53

#4274CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#4274CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4274CF

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4274CF	#FFFFFF	#000000	##000000
##4274CF	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	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: #4274cf;
/* rgb */ color: rgb(66, 116, 207);
/* oklch */ color: oklch(57.0% 0.151 261.3);

Tailwind

colors: {
  custom: {
    50: '#869bde',
    500: '#4274cf',
    950: '#000000',
  },
}

SCSS

$custom: #4274cf;
$custom-light: #869bde;
$custom-dark: #000000;

JSON

{
  "hex": "#4274cf",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 207
  },
  "hsl": {
    "h": 218.723,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.57039,
    "c": 0.15058,
    "h": 261.3
  },
  "luminance": 0.18154
}

Semantic roles & 50–950 ramp

primary

#4274CF

secondary

#D5BF98

accent

#AB45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4274CF

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

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