#224CB3#224CB3

#224CB3 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.3% C 0.171 H 264.0°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#224CB3
RGB	rgb(34, 76, 179)
HSL	hsl(223, 68%, 42%)
HSV	hsv(223, 81%, 70%)
CMYK	cmyk(81%, 57.5%, 0%, 29.8%)
CIE-LAB	lab(35.52, 24.34, -58.73)
CIE-LCH	lch(35.52, 63.57, 292.51°)
OKLab	oklab(45.3% -0.0179 -0.1697)
OKLCH	oklch(45.3% 0.171 264)
XYZ	xyz(11.3779, 8.7623, 43.7307)
Luminance	0.0876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#224CB3 #B38922

analogous

#2295B3 #224CB3 #4122B3

triadic

#224CB3 #B3224C #4CB322

tetradic

#224CB3 #B32295 #B38922 #22B341

square

#224CB3 #B32295 #B38922 #22B341

split-complementary

#224CB3 #B34122 #95B322

monochromatic

#0E204C #183680 #224CB3 #3967D9 #6C8FE3

Accessibility & contrast

On white

7.63

#224CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#224CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #224CB3

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##224CB3	#FFFFFF	#000000	##FFFFFF
##224CB3	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB7

Deuteranopia (green-blind)

#004DB1

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #224cb3;
/* rgb */ color: rgb(34, 76, 179);
/* oklch */ color: oklch(45.3% 0.171 264.0);

Tailwind

colors: {
  custom: {
    50: '#767dcb',
    500: '#224cb3',
    950: '#000000',
  },
}

SCSS

$custom: #224cb3;
$custom-light: #767dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#224cb3",
  "rgb": {
    "r": 34,
    "g": 76,
    "b": 179
  },
  "hsl": {
    "h": 222.621,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.45297,
    "c": 0.1706,
    "h": 264
  },
  "luminance": 0.08764
}

Semantic roles & 50–950 ramp

primary

#224CB3

secondary

#C9AD68

accent

#B93DEB

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #224CB3

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

Preview Lab → · Contrast checker → · Palette generator →