#2233A8#2233A8

#2233A8 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.6% C 0.186 H 268.9°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#2233A8
RGB	rgb(34, 51, 168)
HSL	hsl(232, 66%, 40%)
HSV	hsv(232, 80%, 66%)
CMYK	cmyk(79.8%, 69.6%, 0%, 34.1%)
CIE-LAB	lab(28.20, 36.59, -64.15)
CIE-LCH	lch(28.20, 73.85, 299.70°)
OKLab	oklab(39.59% -0.0036 -0.1858)
OKLCH	oklch(39.59% 0.186 268.9)
XYZ	xyz(8.9090, 5.5339, 37.6368)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2233A8 #A89722

analogous

#2276A8 #2233A8 #5422A8

triadic

#2233A8 #A82233 #33A822

tetradic

#2233A8 #A82276 #A89722 #22A854

square

#2233A8 #A82276 #A89722 #22A854

split-complementary

#2233A8 #A85422 #76A822

monochromatic

#0D1442 #182475 #2233A8 #3247D5 #6574E0

Accessibility & contrast

On white

9.97

#2233A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2233A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2233A8

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2233A8	#FFFFFF	#000000	##FFFFFF
##2233A8	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AC

Deuteranopia (green-blind)

#003CA6

Tritanopia (blue-blind)

#005369

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2233a8;
/* rgb */ color: rgb(34, 51, 168);
/* oklch */ color: oklch(39.6% 0.186 268.9);

Tailwind

colors: {
  custom: {
    50: '#756bc3',
    500: '#2233a8',
    950: '#000000',
  },
}

SCSS

$custom: #2233a8;
$custom-light: #756bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2233a8",
  "rgb": {
    "r": 34,
    "g": 51,
    "b": 168
  },
  "hsl": {
    "h": 232.388,
    "s": 66.337,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39588,
    "c": 0.18582,
    "h": 268.9
  },
  "luminance": 0.05535
}

Semantic roles & 50–950 ramp

primary

#2233A8

secondary

#C5B861

accent

#D43FE9

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2233A8

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

Preview Lab → · Contrast checker → · Palette generator →