#2278D5#2278D5

#2278D5 is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.3% C 0.163 H 254.2°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#2278D5
RGB	rgb(34, 120, 213)
HSL	hsl(211, 72%, 48%)
HSV	hsv(211, 84%, 84%)
CMYK	cmyk(84%, 43.7%, 0%, 16.5%)
CIE-LAB	lab(50.19, 9.02, -54.72)
CIE-LCH	lch(50.19, 55.46, 279.36°)
OKLab	oklab(57.27% -0.0445 -0.157)
OKLCH	oklch(57.27% 0.163 254.2)
XYZ	xyz(19.3819, 18.5747, 65.5016)
Luminance	0.1858 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2278D5 #D57F22

analogous

#22D1D5 #2278D5 #2522D5

triadic

#2278D5 #D52278 #78D522

tetradic

#2278D5 #D522D1 #D57F22 #22D525

square

#2278D5 #D522D1 #D57F22 #22D525

split-complementary

#2278D5 #D52522 #D1D522

monochromatic

#113D6B #1A5AA0 #2278D5 #5197E3 #86B7EC

Accessibility & contrast

On white

4.45

#2278D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#2278D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2278D5

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2278D5	#FFFFFF	#000000	##000000
##2278D5	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4780D9

Deuteranopia (green-blind)

#2270D3

Tritanopia (blue-blind)

#008E9C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #2278d5;
/* rgb */ color: rgb(34, 120, 213);
/* oklch */ color: oklch(57.3% 0.163 254.2);

Tailwind

colors: {
  custom: {
    50: '#7c9ee2',
    500: '#2278d5',
    950: '#000000',
  },
}

SCSS

$custom: #2278d5;
$custom-light: #7c9ee2;
$custom-dark: #000000;

JSON

{
  "hex": "#2278d5",
  "rgb": {
    "r": 34,
    "g": 120,
    "b": 213
  },
  "hsl": {
    "h": 211.173,
    "s": 72.47,
    "l": 48.431
  },
  "oklch": {
    "l": 0.5727,
    "c": 0.16317,
    "h": 254.2
  },
  "luminance": 0.18577
}

Semantic roles & 50–950 ramp

primary

#2278D5

secondary

#D5AB7E

accent

#9739EF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #2278D5

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

Preview Lab → · Contrast checker → · Palette generator →