#2273A8#2273A8

#2273A8 is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.3% C 0.112 H 242.5°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#2273A8
RGB	rgb(34, 115, 168)
HSL	hsl(204, 66%, 40%)
HSV	hsv(204, 80%, 66%)
CMYK	cmyk(79.8%, 31.5%, 0%, 34.1%)
CIE-LAB	lab(46.21, -5.02, -35.12)
CIE-LCH	lch(46.21, 35.47, 261.87°)
OKLab	oklab(53.35% -0.0518 -0.0996)
OKLCH	oklch(53.35% 0.112 242.5)
XYZ	xyz(13.8555, 15.4270, 39.2857)
Luminance	0.1543 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2273A8 #A85722

analogous

#22A89A #2273A8 #2230A8

triadic

#2273A8 #A82273 #73A822

tetradic

#2273A8 #9A22A8 #A85722 #30A822

square

#2273A8 #9A22A8 #A85722 #30A822

split-complementary

#2273A8 #A82230 #A89A22

monochromatic

#0D2D42 #185075 #2273A8 #3295D5 #65AFE0

Accessibility & contrast

On white

5.14

#2273A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#2273A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2273A8

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2273A8	#FFFFFF	#000000	##FFFFFF
##2273A8	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A74AA

Deuteranopia (green-blind)

#4868A7

Tritanopia (blue-blind)

#008086

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #2273a8;
/* rgb */ color: rgb(34, 115, 168);
/* oklch */ color: oklch(53.3% 0.112 242.5);

Tailwind

colors: {
  custom: {
    50: '#739bc2',
    500: '#2273a8',
    950: '#000000',
  },
}

SCSS

$custom: #2273a8;
$custom-light: #739bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#2273a8",
  "rgb": {
    "r": 34,
    "g": 115,
    "b": 168
  },
  "hsl": {
    "h": 203.731,
    "s": 66.337,
    "l": 39.608
  },
  "oklch": {
    "l": 0.53347,
    "c": 0.11227,
    "h": 242.5
  },
  "luminance": 0.15429
}

Semantic roles & 50–950 ramp

primary

#2273A8

secondary

#C58861

accent

#823FE9

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2273A8

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

Preview Lab → · Contrast checker → · Palette generator →