#4277B2#4277B2

#4277B2 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 56.0% C 0.108 H 252.5°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4277B2
RGB	rgb(66, 119, 178)
HSL	hsl(212, 46%, 48%)
HSV	hsv(212, 63%, 70%)
CMYK	cmyk(62.9%, 33.1%, 0%, 30.2%)
CIE-LAB	lab(48.96, 1.01, -36.54)
CIE-LCH	lch(48.96, 36.55, 271.59°)
OKLab	oklab(55.97% -0.0325 -0.1033)
OKLCH	oklch(55.97% 0.108 252.5)
XYZ	xyz(16.8766, 17.5647, 44.6118)
Luminance	0.1757 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4277B2 #B27D42

analogous

#42AFB2 #4277B2 #4542B2

triadic

#4277B2 #B24277 #77B242

tetradic

#4277B2 #B242AF #B27D42 #42B245

square

#4277B2 #B242AF #B27D42 #42B245

split-complementary

#4277B2 #B24542 #AFB242

monochromatic

#213B59 #315985 #4277B2 #6A96C8 #96B5D8

Accessibility & contrast

On white

4.65

#4277B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#4277B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4277B2

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4277B2	#FFFFFF	#000000	##FFFFFF
##4277B2	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7AB5

Deuteranopia (green-blind)

#4F6FB1

Tritanopia (blue-blind)

#00858C

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4277b2;
/* rgb */ color: rgb(66, 119, 178);
/* oklch */ color: oklch(56.0% 0.108 252.5);

Tailwind

colors: {
  custom: {
    50: '#819dc9',
    500: '#4277b2',
    950: '#000000',
  },
}

SCSS

$custom: #4277b2;
$custom-light: #819dc9;
$custom-dark: #000000;

JSON

{
  "hex": "#4277b2",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 178
  },
  "hsl": {
    "h": 211.607,
    "s": 45.902,
    "l": 47.843
  },
  "oklch": {
    "l": 0.5597,
    "c": 0.10833,
    "h": 252.5
  },
  "luminance": 0.17566
}

Semantic roles & 50–950 ramp

primary

#4277B2

secondary

#C4A98C

accent

#9752D6

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4277B2

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

Preview Lab → · Contrast checker → · Palette generator →