#4270D4#4270D4

#4270D4 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.5% C 0.162 H 263.5°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4270D4
RGB	rgb(66, 112, 212)
HSL	hsl(221, 63%, 55%)
HSV	hsv(221, 69%, 83%)
CMYK	cmyk(68.9%, 47.2%, 0%, 16.9%)
CIE-LAB	lab(48.88, 17.34, -56.19)
CIE-LCH	lch(48.88, 58.81, 287.15°)
OKLab	oklab(56.52% -0.0183 -0.161)
OKLCH	oklch(56.52% 0.162 263.5)
XYZ	xyz(19.9204, 17.4980, 64.6022)
Luminance	0.1750 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4270D4 #D4A642

analogous

#42B9D4 #4270D4 #5D42D4

triadic

#4270D4 #D44270 #70D442

tetradic

#4270D4 #D442B9 #D4A642 #42D45D

square

#4270D4 #D442B9 #D4A642 #42D45D

split-complementary

#4270D4 #D45D42 #B9D442

monochromatic

#1D3C7F #2853B1 #4270D4 #7496DF #A6BBEB

Accessibility & contrast

On white

4.67

#4270D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#4270D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4270D4

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4270D4	#FFFFFF	#000000	##FFFFFF
##4270D4	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7BD8

Deuteranopia (green-blind)

#186ED2

Tritanopia (blue-blind)

#008798

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4270d4;
/* rgb */ color: rgb(66, 112, 212);
/* oklch */ color: oklch(56.5% 0.162 263.5);

Tailwind

colors: {
  custom: {
    50: '#8798e2',
    500: '#4270d4',
    950: '#000000',
  },
}

SCSS

$custom: #4270d4;
$custom-light: #8798e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4270d4",
  "rgb": {
    "r": 66,
    "g": 112,
    "b": 212
  },
  "hsl": {
    "h": 221.096,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.56523,
    "c": 0.16208,
    "h": 263.5
  },
  "luminance": 0.175
}

Semantic roles & 50–950 ramp

primary

#4270D4

secondary

#D8C49A

accent

#B242E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0D15

muted

#7D7E83

Preview Lab

Preview with #4270D4

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

Preview Lab → · Contrast checker → · Palette generator →