#4270DC#4270DC

#4270DC is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.1% C 0.173 H 264.3°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#4270DC
RGB	rgb(66, 112, 220)
HSL	hsl(222, 69%, 56%)
HSV	hsv(222, 70%, 86%)
CMYK	cmyk(70%, 49.1%, 0%, 13.7%)
CIE-LAB	lab(49.39, 20.21, -59.91)
CIE-LCH	lch(49.39, 63.23, 288.64°)
OKLab	oklab(57.07% -0.0173 -0.172)
OKLCH	oklch(57.07% 0.173 264.3)
XYZ	xyz(20.9547, 17.9117, 70.0492)
Luminance	0.1791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4270DC #DCAE42

analogous

#42BDDC #4270DC #6142DC

triadic

#4270DC #DC4270 #70DC42

tetradic

#4270DC #DC42BD #DCAE42 #42DC61

square

#4270DC #DC42BD #DCAE42 #42DC61

split-complementary

#4270DC #DC6142 #BDDC42

monochromatic

#1A3B8A #2351BE #4270DC #7697E6 #A9BEEF

Accessibility & contrast

On white

4.58

#4270DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#4270DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4270DC

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4270DC	#FFFFFF	#000000	##000000
##4270DC	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#327DE0

Deuteranopia (green-blind)

#006FDA

Tritanopia (blue-blind)

#008A9B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4270dc;
/* rgb */ color: rgb(66, 112, 220);
/* oklch */ color: oklch(57.1% 0.173 264.3);

Tailwind

colors: {
  custom: {
    50: '#8898e7',
    500: '#4270dc',
    950: '#000000',
  },
}

SCSS

$custom: #4270dc;
$custom-light: #8898e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4270dc",
  "rgb": {
    "r": 66,
    "g": 112,
    "b": 220
  },
  "hsl": {
    "h": 222.078,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.57073,
    "c": 0.17285,
    "h": 264.3
  },
  "luminance": 0.17914
}

Semantic roles & 50–950 ramp

primary

#4270DC

secondary

#DDCA9D

accent

#B73CEC

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4270DC

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

Preview Lab → · Contrast checker → · Palette generator →