#2278BD#2278BD

#2278BD is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 55.8% C 0.133 H 247.8°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#2278BD
RGB	rgb(34, 120, 189)
HSL	hsl(207, 70%, 44%)
HSV	hsv(207, 82%, 74%)
CMYK	cmyk(82%, 36.5%, 0%, 25.9%)
CIE-LAB	lab(48.82, -0.13, -43.19)
CIE-LCH	lch(48.82, 43.19, 269.83°)
OKLab	oklab(55.76% -0.0502 -0.1231)
OKLCH	oklch(55.76% 0.133 247.8)
XYZ	xyz(16.5579, 17.4451, 50.6288)
Luminance	0.1745 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2278BD #BD6722

analogous

#22BDB4 #2278BD #222ABD

triadic

#2278BD #BD2278 #78BD22

tetradic

#2278BD #B422BD #BD6722 #2ABD22

square

#2278BD #B422BD #BD6722 #2ABD22

split-complementary

#2278BD #BD222A #BDB422

monochromatic

#0F3655 #195789 #2278BD #4097DD #73B3E6

Accessibility & contrast

On white

4.68

#2278BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#2278BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2278BD

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2278BD	#FFFFFF	#000000	##FFFFFF
##2278BD	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#577CC0

Deuteranopia (green-blind)

#406EBC

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2278bd;
/* rgb */ color: rgb(34, 120, 189);
/* oklch */ color: oklch(55.8% 0.133 247.8);

Tailwind

colors: {
  custom: {
    50: '#779ed1',
    500: '#2278bd',
    950: '#000000',
  },
}

SCSS

$custom: #2278bd;
$custom-light: #779ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#2278bd",
  "rgb": {
    "r": 34,
    "g": 120,
    "b": 189
  },
  "hsl": {
    "h": 206.71,
    "s": 69.507,
    "l": 43.725
  },
  "oklch": {
    "l": 0.55756,
    "c": 0.13296,
    "h": 247.8
  },
  "luminance": 0.17447
}

Semantic roles & 50–950 ramp

primary

#2278BD

secondary

#CD986E

accent

#8A3BEC

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2278BD

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

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