#2277BD#2277BD

#2277BD is a mid, vivid cyan. Relative luminance 0.172; OKLCH L 55.5% C 0.134 H 248.4°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#2277BD
RGB	rgb(34, 119, 189)
HSL	hsl(207, 70%, 44%)
HSV	hsv(207, 82%, 74%)
CMYK	cmyk(82%, 37%, 0%, 25.9%)
CIE-LAB	lab(48.52, 0.48, -43.67)
CIE-LCH	lch(48.52, 43.67, 270.63°)
OKLab	oklab(55.52% -0.0493 -0.1245)
OKLCH	oklch(55.52% 0.134 248.4)
XYZ	xyz(16.4383, 17.2058, 50.5889)
Luminance	0.1721 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2277BD #BD6822

analogous

#22BDB5 #2277BD #2229BD

triadic

#2277BD #BD2277 #77BD22

tetradic

#2277BD #B522BD #BD6822 #29BD22

square

#2277BD #B522BD #BD6822 #29BD22

split-complementary

#2277BD #BD2229 #BDB522

monochromatic

#0F3655 #195689 #2277BD #4096DD #73B2E6

Accessibility & contrast

On white

4.73

#2277BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#2277BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2277BD

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2277BD	#FFFFFF	#000000	##FFFFFF
##2277BD	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#567BC0

Deuteranopia (green-blind)

#3E6DBC

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2277bd;
/* rgb */ color: rgb(34, 119, 189);
/* oklch */ color: oklch(55.5% 0.134 248.4);

Tailwind

colors: {
  custom: {
    50: '#779dd1',
    500: '#2277bd',
    950: '#000000',
  },
}

SCSS

$custom: #2277bd;
$custom-light: #779dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2277bd",
  "rgb": {
    "r": 34,
    "g": 119,
    "b": 189
  },
  "hsl": {
    "h": 207.097,
    "s": 69.507,
    "l": 43.725
  },
  "oklch": {
    "l": 0.55522,
    "c": 0.13394,
    "h": 248.4
  },
  "luminance": 0.17208
}

Semantic roles & 50–950 ramp

primary

#2277BD

secondary

#CD996E

accent

#8B3BEC

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2277BD

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

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