#224BB1#224BB1

#224BB1 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.9% C 0.169 H 264.1°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#224BB1
RGB	rgb(34, 75, 177)
HSL	hsl(223, 68%, 41%)
HSV	hsv(223, 81%, 69%)
CMYK	cmyk(80.8%, 57.6%, 0%, 30.6%)
CIE-LAB	lab(35.09, 24.23, -58.24)
CIE-LCH	lch(35.09, 63.08, 292.59°)
OKLab	oklab(44.93% -0.0174 -0.1682)
OKLCH	oklch(44.93% 0.169 264.1)
XYZ	xyz(11.1088, 8.5452, 42.6504)
Luminance	0.0855 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#224BB1 #B18822

analogous

#2293B1 #224BB1 #4022B1

triadic

#224BB1 #B1224B #4BB122

tetradic

#224BB1 #B12293 #B18822 #22B140

square

#224BB1 #B12293 #B18822 #22B140

split-complementary

#224BB1 #B14022 #93B122

monochromatic

#0E1F4A #18357E #224BB1 #3866D9 #6B8DE3

Accessibility & contrast

On white

7.75

#224BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#224BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #224BB1

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##224BB1	#FFFFFF	#000000	##FFFFFF
##224BB1	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B4

Deuteranopia (green-blind)

#004CAF

Tritanopia (blue-blind)

#006576

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #224bb1;
/* rgb */ color: rgb(34, 75, 177);
/* oklch */ color: oklch(44.9% 0.169 264.1);

Tailwind

colors: {
  custom: {
    50: '#757cc9',
    500: '#224bb1',
    950: '#000000',
  },
}

SCSS

$custom: #224bb1;
$custom-light: #757cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#224bb1",
  "rgb": {
    "r": 34,
    "g": 75,
    "b": 177
  },
  "hsl": {
    "h": 222.797,
    "s": 67.773,
    "l": 41.373
  },
  "oklch": {
    "l": 0.44925,
    "c": 0.16915,
    "h": 264.1
  },
  "luminance": 0.08547
}

Semantic roles & 50–950 ramp

primary

#224BB1

secondary

#C9AC66

accent

#B93DEB

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #224BB1

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

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