#2347A4#2347A4

#2347A4 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.0% C 0.156 H 264.6°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#2347A4
RGB	rgb(35, 71, 164)
HSL	hsl(223, 65%, 39%)
HSV	hsv(223, 79%, 64%)
CMYK	cmyk(78.7%, 56.7%, 0%, 35.7%)
CIE-LAB	lab(33.01, 21.95, -53.87)
CIE-LCH	lch(33.01, 58.17, 292.17°)
OKLab	oklab(43.05% -0.0147 -0.1555)
OKLCH	oklch(43.05% 0.156 264.6)
XYZ	xyz(9.6448, 7.5430, 36.0624)
Luminance	0.0754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2347A4 #A48023

analogous

#2388A4 #2347A4 #4023A4

triadic

#2347A4 #A42347 #47A423

tetradic

#2347A4 #A42388 #A48023 #23A440

square

#2347A4 #A42388 #A48023 #23A440

split-complementary

#2347A4 #A44023 #88A423

monochromatic

#0D1B3F #183172 #2347A4 #315ED3 #6486DE

Accessibility & contrast

On white

8.37

#2347A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2347A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2347A4

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2347A4	#FFFFFF	#000000	##FFFFFF
##2347A4	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)

#0054A7

Deuteranopia (green-blind)

#0048A2

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2347a4;
/* rgb */ color: rgb(35, 71, 164);
/* oklch */ color: oklch(43.0% 0.156 264.6);

Tailwind

colors: {
  custom: {
    50: '#7379c0',
    500: '#2347a4',
    950: '#000000',
  },
}

SCSS

$custom: #2347a4;
$custom-light: #7379c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2347a4",
  "rgb": {
    "r": 35,
    "g": 71,
    "b": 164
  },
  "hsl": {
    "h": 223.256,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.43047,
    "c": 0.15615,
    "h": 264.6
  },
  "luminance": 0.07544
}

Semantic roles & 50–950 ramp

primary

#2347A4

secondary

#C3A760

accent

#B940E8

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2347A4

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

Preview Lab → · Contrast checker → · Palette generator →