#4274EA#4274EA

#4274EA is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.9% C 0.187 H 264.2°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#4274EA
RGB	rgb(66, 116, 234)
HSL	hsl(222, 80%, 59%)
HSV	hsv(222, 72%, 92%)
CMYK	cmyk(71.8%, 50.4%, 0%, 8.2%)
CIE-LAB	lab(51.37, 22.72, -64.60)
CIE-LCH	lch(51.37, 68.48, 289.38°)
OKLab	oklab(58.87% -0.0189 -0.1857)
OKLCH	oklch(58.87% 0.187 264.2)
XYZ	xyz(23.3382, 19.5871, 80.3767)
Luminance	0.1959 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4274EA #EAB842

analogous

#42C8EA #4274EA #6442EA

triadic

#4274EA #EA4274 #74EA42

tetradic

#4274EA #EA42C8 #EAB842 #42EA64

square

#4274EA #EA42C8 #EAB842 #42EA64

split-complementary

#4274EA #EA6442 #C8EA42

monochromatic

#123CA0 #1851D7 #4274EA #799DF0 #B0C5F6

Accessibility & contrast

On white

4.27

#4274EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#4274EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4274EA

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4274EA	#FFFFFF	#000000	##000000
##4274EA	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)

#2A83EE

Deuteranopia (green-blind)

#0073E8

Tritanopia (blue-blind)

#0090A4

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4274ea;
/* rgb */ color: rgb(66, 116, 234);
/* oklch */ color: oklch(58.9% 0.187 264.2);

Tailwind

colors: {
  custom: {
    50: '#8b9bf1',
    500: '#4274ea',
    950: '#000000',
  },
}

SCSS

$custom: #4274ea;
$custom-light: #8b9bf1;
$custom-dark: #000000;

JSON

{
  "hex": "#4274ea",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 234
  },
  "hsl": {
    "h": 222.143,
    "s": 80,
    "l": 58.824
  },
  "oklch": {
    "l": 0.58872,
    "c": 0.18669,
    "h": 264.2
  },
  "luminance": 0.1959
}

Semantic roles & 50–950 ramp

primary

#4274EA

secondary

#E5D1A3

accent

#BC31F6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E17

muted

#7E7E85

Preview Lab

Preview with #4274EA

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

Preview Lab → · Contrast checker → · Palette generator →