#4270D2#4270D2

#4270D2 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.4% C 0.159 H 263.3°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4270D2
RGB	rgb(66, 112, 210)
HSL	hsl(221, 62%, 54%)
HSV	hsv(221, 69%, 82%)
CMYK	cmyk(68.6%, 46.7%, 0%, 17.6%)
CIE-LAB	lab(48.76, 16.62, -55.25)
CIE-LCH	lch(48.76, 57.70, 286.74°)
OKLab	oklab(56.39% -0.0186 -0.1583)
OKLCH	oklch(56.39% 0.159 263.3)
XYZ	xyz(19.6697, 17.3977, 63.2818)
Luminance	0.1740 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4270D2 #D2A442

analogous

#42B8D2 #4270D2 #5C42D2

triadic

#4270D2 #D24270 #70D242

tetradic

#4270D2 #D242B8 #D2A442 #42D25C

square

#4270D2 #D242B8 #D2A442 #42D25C

split-complementary

#4270D2 #D25C42 #B8D242

monochromatic

#1E3C7C #2954AD #4270D2 #7395DE #A5BBEA

Accessibility & contrast

On white

4.69

#4270D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#4270D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4270D2

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4270D2	#FFFFFF	#000000	##FFFFFF
##4270D2	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D7BD6

Deuteranopia (green-blind)

#1D6ED0

Tritanopia (blue-blind)

#008797

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4270d2;
/* rgb */ color: rgb(66, 112, 210);
/* oklch */ color: oklch(56.4% 0.159 263.3);

Tailwind

colors: {
  custom: {
    50: '#8698e0',
    500: '#4270d2',
    950: '#000000',
  },
}

SCSS

$custom: #4270d2;
$custom-light: #8698e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4270d2",
  "rgb": {
    "r": 66,
    "g": 112,
    "b": 210
  },
  "hsl": {
    "h": 220.833,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.56388,
    "c": 0.15937,
    "h": 263.3
  },
  "luminance": 0.174
}

Semantic roles & 50–950 ramp

primary

#4270D2

secondary

#D7C399

accent

#B143E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4270D2

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

Preview Lab → · Contrast checker → · Palette generator →