#4270C8#4270C8

#4270C8 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.7% C 0.146 H 262.0°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#4270C8
RGB	rgb(66, 112, 200)
HSL	hsl(219, 55%, 52%)
HSV	hsv(219, 67%, 78%)
CMYK	cmyk(67%, 44%, 0%, 21.6%)
CIE-LAB	lab(48.15, 13.05, -50.51)
CIE-LCH	lch(48.15, 52.17, 284.49°)
OKLab	oklab(55.73% -0.0203 -0.1443)
OKLCH	oklch(55.73% 0.146 262)
XYZ	xyz(18.4626, 16.9149, 56.9243)
Luminance	0.1692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4270C8 #C89A42

analogous

#42B3C8 #4270C8 #5742C8

triadic

#4270C8 #C84270 #70C842

tetradic

#4270C8 #C842B3 #C89A42 #42C857

square

#4270C8 #C842B3 #C89A42 #42C857

split-complementary

#4270C8 #C85742 #B3C842

monochromatic

#203B6F #2E559F #4270C8 #7194D6 #A1B8E4

Accessibility & contrast

On white

4.79

#4270C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#4270C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4270C8

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4270C8	#FFFFFF	#000000	##FFFFFF
##4270C8	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4679CB

Deuteranopia (green-blind)

#2E6DC6

Tritanopia (blue-blind)

#008492

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4270c8;
/* rgb */ color: rgb(66, 112, 200);
/* oklch */ color: oklch(55.7% 0.146 262.0);

Tailwind

colors: {
  custom: {
    50: '#8498d9',
    500: '#4270c8',
    950: '#000000',
  },
}

SCSS

$custom: #4270c8;
$custom-light: #8498d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4270c8",
  "rgb": {
    "r": 66,
    "g": 112,
    "b": 200
  },
  "hsl": {
    "h": 219.403,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.55728,
    "c": 0.14575,
    "h": 262
  },
  "luminance": 0.16917
}

Semantic roles & 50–950 ramp

primary

#4270C8

secondary

#D0BC96

accent

#AB4ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4270C8

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

Preview Lab → · Contrast checker → · Palette generator →