#2340B2#2340B2

#2340B2 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.9% C 0.184 H 266.9°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#2340B2
RGB	rgb(35, 64, 178)
HSL	hsl(228, 67%, 42%)
HSV	hsv(228, 80%, 70%)
CMYK	cmyk(80.3%, 64%, 0%, 30.2%)
CIE-LAB	lab(32.34, 32.00, -63.33)
CIE-LCH	lch(32.34, 70.96, 296.81°)
OKLab	oklab(42.91% -0.01 -0.1833)
OKLCH	oklch(42.91% 0.184 266.9)
XYZ	xyz(10.5596, 7.2372, 42.9512)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2340B2 #B29523

analogous

#2388B2 #2340B2 #4E23B2

triadic

#2340B2 #B22340 #40B223

tetradic

#2340B2 #B22388 #B29523 #23B24E

square

#2340B2 #B22388 #B29523 #23B24E

split-complementary

#2340B2 #B24E23 #88B223

monochromatic

#0F1B4C #192E7F #2340B2 #3A5AD8 #6D85E2

Accessibility & contrast

On white

8.58

#2340B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2340B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2340B2

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2340B2	#FFFFFF	#000000	##FFFFFF
##2340B2	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B6

Deuteranopia (green-blind)

#0045B0

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2340b2;
/* rgb */ color: rgb(35, 64, 178);
/* oklch */ color: oklch(42.9% 0.184 266.9);

Tailwind

colors: {
  custom: {
    50: '#7774ca',
    500: '#2340b2',
    950: '#000000',
  },
}

SCSS

$custom: #2340b2;
$custom-light: #7774ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2340b2",
  "rgb": {
    "r": 35,
    "g": 64,
    "b": 178
  },
  "hsl": {
    "h": 227.832,
    "s": 67.136,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42911,
    "c": 0.18358,
    "h": 266.9
  },
  "luminance": 0.07238
}

Semantic roles & 50–950 ramp

primary

#2340B2

secondary

#C9B568

accent

#C73EEA

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2340B2

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

Preview Lab → · Contrast checker → · Palette generator →