#2340B0#2340B0

#2340B0 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.7% C 0.181 H 266.8°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#2340B0
RGB	rgb(35, 64, 176)
HSL	hsl(228, 67%, 41%)
HSV	hsv(228, 80%, 69%)
CMYK	cmyk(80.1%, 63.6%, 0%, 31%)
CIE-LAB	lab(32.16, 31.25, -62.43)
CIE-LCH	lch(32.16, 69.82, 296.59°)
OKLab	oklab(42.73% -0.0099 -0.1807)
OKLCH	oklch(42.73% 0.181 266.8)
XYZ	xyz(10.3603, 7.1575, 41.9014)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2340B0 #B09323

analogous

#2387B0 #2340B0 #4D23B0

triadic

#2340B0 #B02340 #40B023

tetradic

#2340B0 #B02387 #B09323 #23B04D

square

#2340B0 #B02387 #B09323 #23B04D

split-complementary

#2340B0 #B04D23 #87B023

monochromatic

#0F1B4A #192D7D #2340B0 #3959D8 #6C84E2

Accessibility & contrast

On white

8.64

#2340B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2340B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2340B0

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2340B0	#FFFFFF	#000000	##FFFFFF
##2340B0	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B4

Deuteranopia (green-blind)

#0045AE

Tritanopia (blue-blind)

#005D72

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2340b0;
/* rgb */ color: rgb(35, 64, 176);
/* oklch */ color: oklch(42.7% 0.181 266.8);

Tailwind

colors: {
  custom: {
    50: '#7674c9',
    500: '#2340b0',
    950: '#000000',
  },
}

SCSS

$custom: #2340b0;
$custom-light: #7674c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2340b0",
  "rgb": {
    "r": 35,
    "g": 64,
    "b": 176
  },
  "hsl": {
    "h": 227.66,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.42725,
    "c": 0.18095,
    "h": 266.8
  },
  "luminance": 0.07159
}

Semantic roles & 50–950 ramp

primary

#2340B0

secondary

#C8B467

accent

#C63EEA

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2340B0

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

Preview Lab → · Contrast checker → · Palette generator →