#2343B3#2343B3

#2343B3 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.6% C 0.181 H 266.3°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#2343B3
RGB	rgb(35, 67, 179)
HSL	hsl(227, 67%, 42%)
HSV	hsv(227, 80%, 70%)
CMYK	cmyk(80.4%, 62.6%, 0%, 29.8%)
CIE-LAB	lab(33.19, 30.41, -62.54)
CIE-LCH	lch(33.19, 69.54, 295.93°)
OKLab	oklab(43.57% -0.0117 -0.1809)
OKLCH	oklch(43.57% 0.181 266.3)
XYZ	xyz(10.8341, 7.6250, 43.5399)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2343B3 #B39323

analogous

#238BB3 #2343B3 #4B23B3

triadic

#2343B3 #B32343 #43B323

tetradic

#2343B3 #B3238B #B39323 #23B34B

square

#2343B3 #B3238B #B39323 #23B34B

split-complementary

#2343B3 #B34B23 #8BB323

monochromatic

#0F1D4D #193080 #2343B3 #3B5ED9 #6E88E3

Accessibility & contrast

On white

8.32

#2343B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2343B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2343B3

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2343B3	#FFFFFF	#000000	##FFFFFF
##2343B3	1.00	8.32	2.53	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B7

Deuteranopia (green-blind)

#0047B1

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2343b3;
/* rgb */ color: rgb(35, 67, 179);
/* oklch */ color: oklch(43.6% 0.181 266.3);

Tailwind

colors: {
  custom: {
    50: '#7776cb',
    500: '#2343b3',
    950: '#000000',
  },
}

SCSS

$custom: #2343b3;
$custom-light: #7776cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2343b3",
  "rgb": {
    "r": 35,
    "g": 67,
    "b": 179
  },
  "hsl": {
    "h": 226.667,
    "s": 67.29,
    "l": 41.961
  },
  "oklch": {
    "l": 0.43565,
    "c": 0.18132,
    "h": 266.3
  },
  "luminance": 0.07626
}

Semantic roles & 50–950 ramp

primary

#2343B3

secondary

#C9B469

accent

#C43EEA

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2343B3

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

Preview Lab → · Contrast checker → · Palette generator →