#4270EA#4270EA

#4270EA is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.1% C 0.191 H 265.3°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4270EA
RGB	rgb(66, 112, 234)
HSL	hsl(224, 80%, 59%)
HSV	hsv(224, 72%, 92%)
CMYK	cmyk(71.8%, 52.1%, 0%, 8.2%)
CIE-LAB	lab(50.32, 25.22, -66.30)
CIE-LCH	lch(50.32, 70.94, 290.83°)
OKLab	oklab(58.07% -0.0158 -0.1908)
OKLCH	oklch(58.07% 0.191 265.3)
XYZ	xyz(22.8870, 18.6847, 80.2263)
Luminance	0.1869 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4270EA #EABC42

analogous

#42C4EA #4270EA #6842EA

triadic

#4270EA #EA4270 #70EA42

tetradic

#4270EA #EA42C4 #EABC42 #42EA68

square

#4270EA #EA42C4 #EABC42 #42EA68

split-complementary

#4270EA #EA6842 #C4EA42

monochromatic

#1239A0 #184CD7 #4270EA #799AF0 #B0C3F6

Accessibility & contrast

On white

4.43

#4270EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#4270EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4270EA

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4270EA	#FFFFFF	#000000	##000000
##4270EA	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A80EE

Deuteranopia (green-blind)

#0070E8

Tritanopia (blue-blind)

#008DA2

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4270ea;
/* rgb */ color: rgb(66, 112, 234);
/* oklch */ color: oklch(58.1% 0.191 265.3);

Tailwind

colors: {
  custom: {
    50: '#8b98f1',
    500: '#4270ea',
    950: '#000000',
  },
}

SCSS

$custom: #4270ea;
$custom-light: #8b98f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4270ea",
  "rgb": {
    "r": 66,
    "g": 112,
    "b": 234
  },
  "hsl": {
    "h": 223.571,
    "s": 80,
    "l": 58.824
  },
  "oklch": {
    "l": 0.58074,
    "c": 0.19144,
    "h": 265.3
  },
  "luminance": 0.18687
}

Semantic roles & 50–950 ramp

primary

#4270EA

secondary

#E5D3A3

accent

#C031F6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0D17

muted

#7E7E85

Preview Lab

Preview with #4270EA

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

Preview Lab → · Contrast checker → · Palette generator →