#2340A7#2340A7

#2340A7 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.9% C 0.169 H 266.6°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#2340A7
RGB	rgb(35, 64, 167)
HSL	hsl(227, 65%, 40%)
HSV	hsv(227, 79%, 65%)
CMYK	cmyk(79%, 61.7%, 0%, 34.5%)
CIE-LAB	lab(31.38, 27.82, -58.34)
CIE-LCH	lch(31.38, 64.63, 295.50°)
OKLab	oklab(41.9% -0.0099 -0.1687)
OKLCH	oklch(41.9% 0.169 266.6)
XYZ	xyz(9.4991, 6.8130, 37.3661)
Luminance	0.0681 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2340A7 #A78A23

analogous

#2382A7 #2340A7 #4823A7

triadic

#2340A7 #A72340 #40A723

tetradic

#2340A7 #A72382 #A78A23 #23A748

square

#2340A7 #A72382 #A78A23 #23A748

split-complementary

#2340A7 #A74823 #82A723

monochromatic

#0E1942 #182D74 #2340A7 #3356D4 #6680DF

Accessibility & contrast

On white

8.89

#2340A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#2340A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2340A7

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2340A7	#FFFFFF	#000000	##FFFFFF
##2340A7	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AA

Deuteranopia (green-blind)

#0044A5

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2340a7;
/* rgb */ color: rgb(35, 64, 167);
/* oklch */ color: oklch(41.9% 0.169 266.6);

Tailwind

colors: {
  custom: {
    50: '#7474c2',
    500: '#2340a7',
    950: '#000000',
  },
}

SCSS

$custom: #2340a7;
$custom-light: #7474c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2340a7",
  "rgb": {
    "r": 35,
    "g": 64,
    "b": 167
  },
  "hsl": {
    "h": 226.818,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41901,
    "c": 0.16897,
    "h": 266.6
  },
  "luminance": 0.06814
}

Semantic roles & 50–950 ramp

primary

#2340A7

secondary

#C4AF61

accent

#C33FE8

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2340A7

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

Preview Lab → · Contrast checker → · Palette generator →