#2343B1#2343B1

#2343B1 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.4% C 0.179 H 266.3°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#2343B1
RGB	rgb(35, 67, 177)
HSL	hsl(226, 67%, 42%)
HSV	hsv(226, 80%, 69%)
CMYK	cmyk(80.2%, 62.1%, 0%, 30.6%)
CIE-LAB	lab(33.02, 29.65, -61.63)
CIE-LCH	lch(33.02, 68.39, 295.69°)
OKLab	oklab(43.38% -0.0117 -0.1783)
OKLCH	oklch(43.38% 0.179 266.3)
XYZ	xyz(10.6333, 7.5447, 42.4823)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2343B1 #B19123

analogous

#238AB1 #2343B1 #4A23B1

triadic

#2343B1 #B12343 #43B123

tetradic

#2343B1 #B1238A #B19123 #23B14A

square

#2343B1 #B1238A #B19123 #23B14A

split-complementary

#2343B1 #B14A23 #8AB123

monochromatic

#0F1C4B #19307E #2343B1 #395DD8 #6C87E2

Accessibility & contrast

On white

8.37

#2343B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2343B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2343B1

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2343B1	#FFFFFF	#000000	##FFFFFF
##2343B1	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B5

Deuteranopia (green-blind)

#0047AF

Tritanopia (blue-blind)

#006073

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2343b1;
/* rgb */ color: rgb(35, 67, 177);
/* oklch */ color: oklch(43.4% 0.179 266.3);

Tailwind

colors: {
  custom: {
    50: '#7676c9',
    500: '#2343b1',
    950: '#000000',
  },
}

SCSS

$custom: #2343b1;
$custom-light: #7676c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2343b1",
  "rgb": {
    "r": 35,
    "g": 67,
    "b": 177
  },
  "hsl": {
    "h": 226.479,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.43383,
    "c": 0.17868,
    "h": 266.3
  },
  "luminance": 0.07546
}

Semantic roles & 50–950 ramp

primary

#2343B1

secondary

#C8B268

accent

#C33EEA

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2343B1

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

Preview Lab → · Contrast checker → · Palette generator →