#2243B2#2243B2

#2243B2 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.4% C 0.180 H 266.0°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#2243B2
RGB	rgb(34, 67, 178)
HSL	hsl(226, 68%, 42%)
HSV	hsv(226, 81%, 70%)
CMYK	cmyk(80.9%, 62.4%, 0%, 30.2%)
CIE-LAB	lab(33.07, 29.94, -62.15)
CIE-LCH	lch(33.07, 68.98, 295.72°)
OKLab	oklab(43.44% -0.0125 -0.1798)
OKLCH	oklch(43.44% 0.18 266)
XYZ	xyz(10.6999, 7.5675, 43.0076)
Luminance	0.0757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2243B2 #B29122

analogous

#228BB2 #2243B2 #4922B2

triadic

#2243B2 #B22243 #43B222

tetradic

#2243B2 #B2228B #B29122 #22B249

square

#2243B2 #B2228B #B29122 #22B249

split-complementary

#2243B2 #B24922 #8BB222

monochromatic

#0E1C4B #18307F #2243B2 #385DD9 #6C87E3

Accessibility & contrast

On white

8.35

#2243B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2243B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2243B2

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2243B2	#FFFFFF	#000000	##FFFFFF
##2243B2	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B6

Deuteranopia (green-blind)

#0047B0

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2243b2;
/* rgb */ color: rgb(34, 67, 178);
/* oklch */ color: oklch(43.4% 0.180 266.0);

Tailwind

colors: {
  custom: {
    50: '#7676ca',
    500: '#2243b2',
    950: '#000000',
  },
}

SCSS

$custom: #2243b2;
$custom-light: #7676ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2243b2",
  "rgb": {
    "r": 34,
    "g": 67,
    "b": 178
  },
  "hsl": {
    "h": 226.25,
    "s": 67.925,
    "l": 41.569
  },
  "oklch": {
    "l": 0.43436,
    "c": 0.18025,
    "h": 266
  },
  "luminance": 0.07569
}

Semantic roles & 50–950 ramp

primary

#2243B2

secondary

#C9B267

accent

#C33DEB

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2243B2

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

Preview Lab → · Contrast checker → · Palette generator →