#4276E7#4276E7

#4276E7 is a mid, vivid blue. Relative luminance 0.199; OKLCH L 59.1% C 0.180 H 263.3°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#4276E7
RGB	rgb(66, 118, 231)
HSL	hsl(221, 77%, 58%)
HSV	hsv(221, 71%, 91%)
CMYK	cmyk(71.4%, 48.9%, 0%, 9.4%)
CIE-LAB	lab(51.70, 20.40, -62.38)
CIE-LCH	lch(51.70, 65.63, 288.11°)
OKLab	oklab(59.07% -0.0209 -0.1791)
OKLCH	oklch(59.07% 0.18 263.3)
XYZ	xyz(23.1439, 19.8822, 78.2037)
Luminance	0.1988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4276E7 #E7B342

analogous

#42C8E7 #4276E7 #6042E7

triadic

#4276E7 #E74276 #76E742

tetradic

#4276E7 #E742C8 #E7B342 #42E760

square

#4276E7 #E742C8 #E7B342 #42E760

split-complementary

#4276E7 #E76042 #C8E742

monochromatic

#143E9B #1B54D1 #4276E7 #789DEE #AFC5F5

Accessibility & contrast

On white

4.22

#4276E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#4276E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4276E7

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4276E7	#FFFFFF	#000000	##000000
##4276E7	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3583EB

Deuteranopia (green-blind)

#0074E5

Tritanopia (blue-blind)

#0091A3

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4276e7;
/* rgb */ color: rgb(66, 118, 231);
/* oklch */ color: oklch(59.1% 0.180 263.3);

Tailwind

colors: {
  custom: {
    50: '#8a9cef',
    500: '#4276e7',
    950: '#000000',
  },
}

SCSS

$custom: #4276e7;
$custom-light: #8a9cef;
$custom-dark: #000000;

JSON

{
  "hex": "#4276e7",
  "rgb": {
    "r": 66,
    "g": 118,
    "b": 231
  },
  "hsl": {
    "h": 221.091,
    "s": 77.465,
    "l": 58.235
  },
  "oklch": {
    "l": 0.59066,
    "c": 0.18037,
    "h": 263.3
  },
  "luminance": 0.19885
}

Semantic roles & 50–950 ramp

primary

#4276E7

secondary

#E3CFA2

accent

#B734F4

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4276E7

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

Preview Lab → · Contrast checker → · Palette generator →