#2371B0#2371B0

#2371B0 is a mid, vivid cyan. Relative luminance 0.153; OKLCH L 53.4% C 0.123 H 247.5°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#2371B0
RGB	rgb(35, 113, 176)
HSL	hsl(207, 67%, 41%)
HSV	hsv(207, 80%, 69%)
CMYK	cmyk(80.1%, 35.8%, 0%, 31%)
CIE-LAB	lab(46.04, -0.68, -40.06)
CIE-LCH	lch(46.04, 40.06, 269.03°)
OKLab	oklab(53.35% -0.0471 -0.1141)
OKLCH	oklch(53.35% 0.123 247.5)
XYZ	xyz(14.4317, 15.3004, 43.2585)
Luminance	0.1530 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2371B0 #B06223

analogous

#23B0A9 #2371B0 #232AB0

triadic

#2371B0 #B02371 #71B023

tetradic

#2371B0 #A923B0 #B06223 #2AB023

square

#2371B0 #A923B0 #B06223 #2AB023

split-complementary

#2371B0 #B0232A #B0A923

monochromatic

#0F2F4A #19507D #2371B0 #3991D8 #6CADE2

Accessibility & contrast

On white

5.17

#2371B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#2371B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2371B0

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2371B0	#FFFFFF	#000000	##FFFFFF
##2371B0	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5374B3

Deuteranopia (green-blind)

#3F67AF

Tritanopia (blue-blind)

#008088

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #2371b0;
/* rgb */ color: rgb(35, 113, 176);
/* oklch */ color: oklch(53.4% 0.123 247.5);

Tailwind

colors: {
  custom: {
    50: '#7499c8',
    500: '#2371b0',
    950: '#000000',
  },
}

SCSS

$custom: #2371b0;
$custom-light: #7499c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2371b0",
  "rgb": {
    "r": 35,
    "g": 113,
    "b": 176
  },
  "hsl": {
    "h": 206.809,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.53354,
    "c": 0.12341,
    "h": 247.5
  },
  "luminance": 0.15302
}

Semantic roles & 50–950 ramp

primary

#2371B0

secondary

#C89267

accent

#8B3EEA

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #2371B0

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

Preview Lab → · Contrast checker → · Palette generator →