#4277D4#4277D4

#4277D4 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.0% C 0.154 H 260.8°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#4277D4
RGB	rgb(66, 119, 212)
HSL	hsl(218, 63%, 55%)
HSV	hsv(218, 69%, 83%)
CMYK	cmyk(68.9%, 43.9%, 0%, 16.9%)
CIE-LAB	lab(50.81, 12.97, -53.10)
CIE-LCH	lch(50.81, 54.67, 283.73°)
OKLab	oklab(58% -0.0247 -0.1519)
OKLCH	oklch(58% 0.154 260.8)
XYZ	xyz(20.7230, 19.1032, 64.8698)
Luminance	0.1910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4277D4 #D49F42

analogous

#42C0D4 #4277D4 #5642D4

triadic

#4277D4 #D44277 #77D442

tetradic

#4277D4 #D442C0 #D49F42 #42D456

square

#4277D4 #D442C0 #D49F42 #42D456

split-complementary

#4277D4 #D45642 #C0D442

monochromatic

#1D407F #285AB1 #4277D4 #749BDF #A6BFEB

Accessibility & contrast

On white

4.36

#4277D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#4277D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4277D4

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4277D4	#FFFFFF	#000000	##000000
##4277D4	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A80D8

Deuteranopia (green-blind)

#2F73D2

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4277d4;
/* rgb */ color: rgb(66, 119, 212);
/* oklch */ color: oklch(58.0% 0.154 260.8);

Tailwind

colors: {
  custom: {
    50: '#869de2',
    500: '#4277d4',
    950: '#000000',
  },
}

SCSS

$custom: #4277d4;
$custom-light: #869de2;
$custom-dark: #000000;

JSON

{
  "hex": "#4277d4",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 212
  },
  "hsl": {
    "h": 218.219,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.58003,
    "c": 0.15384,
    "h": 260.8
  },
  "luminance": 0.19105
}

Semantic roles & 50–950 ramp

primary

#4277D4

secondary

#D8C19A

accent

#AA42E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4277D4

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

Preview Lab → · Contrast checker → · Palette generator →