#4277C8#4277C8

#4277C8 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.2% C 0.138 H 258.7°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4277C8
RGB	rgb(66, 119, 200)
HSL	hsl(216, 55%, 52%)
HSV	hsv(216, 67%, 78%)
CMYK	cmyk(67%, 40.5%, 0%, 21.6%)
CIE-LAB	lab(50.12, 8.70, -47.37)
CIE-LCH	lch(50.12, 48.16, 280.41°)
OKLab	oklab(57.25% -0.027 -0.135)
OKLCH	oklch(57.25% 0.138 258.7)
XYZ	xyz(19.2652, 18.5201, 57.1918)
Luminance	0.1852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4277C8 #C89342

analogous

#42BAC8 #4277C8 #5042C8

triadic

#4277C8 #C84277 #77C842

tetradic

#4277C8 #C842BA #C89342 #42C850

square

#4277C8 #C842BA #C89342 #42C850

split-complementary

#4277C8 #C85042 #BAC842

monochromatic

#20406F #2E5B9F #4277C8 #7199D6 #A1BBE4

Accessibility & contrast

On white

4.46

#4277C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#4277C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4277C8

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4277C8	#FFFFFF	#000000	##000000
##4277C8	1.00	4.46	4.70	4.70
#FFFFFF	4.46	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)

#527ECB

Deuteranopia (green-blind)

#3D72C6

Tritanopia (blue-blind)

#008A96

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4277c8;
/* rgb */ color: rgb(66, 119, 200);
/* oklch */ color: oklch(57.2% 0.138 258.7);

Tailwind

colors: {
  custom: {
    50: '#849dd9',
    500: '#4277c8',
    950: '#000000',
  },
}

SCSS

$custom: #4277c8;
$custom-light: #849dd9;
$custom-dark: #000000;

JSON

{
  "hex": "#4277c8",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 200
  },
  "hsl": {
    "h": 216.269,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57249,
    "c": 0.13768,
    "h": 258.7
  },
  "luminance": 0.18522
}

Semantic roles & 50–950 ramp

primary

#4277C8

secondary

#D0B996

accent

#A34ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4277C8

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

Preview Lab → · Contrast checker → · Palette generator →