#224CB5#224CB5

#224CB5 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.5% C 0.173 H 264.1°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#224CB5
RGB	rgb(34, 76, 181)
HSL	hsl(223, 68%, 42%)
HSV	hsv(223, 81%, 71%)
CMYK	cmyk(81.2%, 58%, 0%, 29%)
CIE-LAB	lab(35.68, 25.12, -59.65)
CIE-LCH	lch(35.68, 64.72, 292.83°)
OKLab	oklab(45.47% -0.0178 -0.1724)
OKLCH	oklch(45.47% 0.173 264.1)
XYZ	xyz(11.5816, 8.8438, 44.8037)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#224CB5 #B58B22

analogous

#2296B5 #224CB5 #4122B5

triadic

#224CB5 #B5224C #4CB522

tetradic

#224CB5 #B52296 #B58B22 #22B541

square

#224CB5 #B52296 #B58B22 #22B541

split-complementary

#224CB5 #B54122 #96B522

monochromatic

#0F214E #183681 #224CB5 #3A68DA #6E8FE4

Accessibility & contrast

On white

7.58

#224CB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#224CB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #224CB5

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##224CB5	#FFFFFF	#000000	##FFFFFF
##224CB5	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB9

Deuteranopia (green-blind)

#004DB3

Tritanopia (blue-blind)

#006679

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #224cb5;
/* rgb */ color: rgb(34, 76, 181);
/* oklch */ color: oklch(45.5% 0.173 264.1);

Tailwind

colors: {
  custom: {
    50: '#767dcc',
    500: '#224cb5',
    950: '#000000',
  },
}

SCSS

$custom: #224cb5;
$custom-light: #767dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#224cb5",
  "rgb": {
    "r": 34,
    "g": 76,
    "b": 181
  },
  "hsl": {
    "h": 222.857,
    "s": 68.372,
    "l": 42.157
  },
  "oklch": {
    "l": 0.45467,
    "c": 0.17329,
    "h": 264.1
  },
  "luminance": 0.08845
}

Semantic roles & 50–950 ramp

primary

#224CB5

secondary

#CAAE69

accent

#B93DEB

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #224CB5

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

Preview Lab → · Contrast checker → · Palette generator →