#4276CF#4276CF

#4276CF is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.5% C 0.148 H 260.4°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4276CF
RGB	rgb(66, 118, 207)
HSL	hsl(218, 59%, 54%)
HSV	hsv(218, 68%, 81%)
CMYK	cmyk(68.1%, 43%, 0%, 18.8%)
CIE-LAB	lab(50.24, 11.81, -51.17)
CIE-LCH	lch(50.24, 52.52, 282.99°)
OKLab	oklab(57.47% -0.0247 -0.1462)
OKLCH	oklch(57.47% 0.148 260.4)
XYZ	xyz(19.9837, 18.6181, 61.5599)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4276CF #CF9B42

analogous

#42BDCF #4276CF #5442CF

triadic

#4276CF #CF4276 #76CF42

tetradic

#4276CF #CF42BD #CF9B42 #42CF54

square

#4276CF #CF42BD #CF9B42 #42CF54

split-complementary

#4276CF #CF5442 #BDCF42

monochromatic

#1F4078 #2B59A9 #4276CF #7399DB #A4BDE8

Accessibility & contrast

On white

4.45

#4276CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#4276CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4276CF

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4276CF	#FFFFFF	#000000	##000000
##4276CF	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7FD2

Deuteranopia (green-blind)

#3371CD

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4276cf;
/* rgb */ color: rgb(66, 118, 207);
/* oklch */ color: oklch(57.5% 0.148 260.4);

Tailwind

colors: {
  custom: {
    50: '#869dde',
    500: '#4276cf',
    950: '#000000',
  },
}

SCSS

$custom: #4276cf;
$custom-light: #869dde;
$custom-dark: #000000;

JSON

{
  "hex": "#4276cf",
  "rgb": {
    "r": 66,
    "g": 118,
    "b": 207
  },
  "hsl": {
    "h": 217.872,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.57468,
    "c": 0.14826,
    "h": 260.4
  },
  "luminance": 0.1862
}

Semantic roles & 50–950 ramp

primary

#4276CF

secondary

#D5BE98

accent

#A945E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4276CF

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

Preview Lab → · Contrast checker → · Palette generator →