#2373A8#2373A8

#2373A8 is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.4% C 0.112 H 242.7°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#2373A8
RGB	rgb(35, 115, 168)
HSL	hsl(204, 66%, 40%)
HSV	hsv(204, 79%, 66%)
CMYK	cmyk(79.2%, 31.5%, 0%, 34.1%)
CIE-LAB	lab(46.24, -4.90, -35.08)
CIE-LCH	lch(46.24, 35.42, 262.04°)
OKLab	oklab(53.37% -0.0513 -0.0995)
OKLCH	oklch(53.37% 0.112 242.7)
XYZ	xyz(13.8890, 15.4443, 39.2872)
Luminance	0.1545 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2373A8 #A85823

analogous

#23A89B #2373A8 #2330A8

triadic

#2373A8 #A82373 #73A823

tetradic

#2373A8 #9B23A8 #A85823 #30A823

square

#2373A8 #9B23A8 #A85823 #30A823

split-complementary

#2373A8 #A82330 #A89B23

monochromatic

#0E2E43 #185075 #2373A8 #3494D5 #66AFDF

Accessibility & contrast

On white

5.14

#2373A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#2373A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2373A8

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2373A8	#FFFFFF	#000000	##FFFFFF
##2373A8	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A74AA

Deuteranopia (green-blind)

#4868A7

Tritanopia (blue-blind)

#008086

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2373a8;
/* rgb */ color: rgb(35, 115, 168);
/* oklch */ color: oklch(53.4% 0.112 242.7);

Tailwind

colors: {
  custom: {
    50: '#739bc2',
    500: '#2373a8',
    950: '#000000',
  },
}

SCSS

$custom: #2373a8;
$custom-light: #739bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#2373a8",
  "rgb": {
    "r": 35,
    "g": 115,
    "b": 168
  },
  "hsl": {
    "h": 203.91,
    "s": 65.517,
    "l": 39.804
  },
  "oklch": {
    "l": 0.53372,
    "c": 0.11195,
    "h": 242.7
  },
  "luminance": 0.15446
}

Semantic roles & 50–950 ramp

primary

#2373A8

secondary

#C58962

accent

#833FE8

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2373A8

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

Preview Lab → · Contrast checker → · Palette generator →