#4277C7#4277C7

#4277C7 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.2% C 0.136 H 258.5°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4277C7
RGB	rgb(66, 119, 199)
HSL	hsl(216, 54%, 52%)
HSV	hsv(216, 67%, 78%)
CMYK	cmyk(66.8%, 40.2%, 0%, 22%)
CIE-LAB	lab(50.07, 8.35, -46.88)
CIE-LCH	lch(50.07, 47.62, 280.10°)
OKLab	oklab(57.19% -0.0273 -0.1336)
OKLCH	oklch(57.19% 0.136 258.5)
XYZ	xyz(19.1487, 18.4735, 56.5784)
Luminance	0.1847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4277C7 #C79242

analogous

#42BAC7 #4277C7 #5042C7

triadic

#4277C7 #C74277 #77C742

tetradic

#4277C7 #C742BA #C79242 #42C750

square

#4277C7 #C742BA #C79242 #42C750

split-complementary

#4277C7 #C75042 #BAC742

monochromatic

#213F6E #2F5B9D #4277C7 #7199D5 #A0BBE3

Accessibility & contrast

On white

4.47

#4277C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#4277C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4277C7

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4277C7	#FFFFFF	#000000	##000000
##4277C7	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#537ECA

Deuteranopia (green-blind)

#3E71C5

Tritanopia (blue-blind)

#008995

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4277c7;
/* rgb */ color: rgb(66, 119, 199);
/* oklch */ color: oklch(57.2% 0.136 258.5);

Tailwind

colors: {
  custom: {
    50: '#849dd8',
    500: '#4277c7',
    950: '#000000',
  },
}

SCSS

$custom: #4277c7;
$custom-light: #849dd8;
$custom-dark: #000000;

JSON

{
  "hex": "#4277c7",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 199
  },
  "hsl": {
    "h": 216.09,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57188,
    "c": 0.13634,
    "h": 258.5
  },
  "luminance": 0.18475
}

Semantic roles & 50–950 ramp

primary

#4277C7

secondary

#D0B895

accent

#A34ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4277C7

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

Preview Lab → · Contrast checker → · Palette generator →