#2370B0#2370B0

#2370B0 is a mid, vivid cyan. Relative luminance 0.151; OKLCH L 53.1% C 0.124 H 248.2°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#2370B0
RGB	rgb(35, 112, 176)
HSL	hsl(207, 67%, 41%)
HSV	hsv(207, 80%, 69%)
CMYK	cmyk(80.1%, 36.4%, 0%, 31%)
CIE-LAB	lab(45.74, -0.07, -40.54)
CIE-LCH	lch(45.74, 40.54, 269.90°)
OKLab	oklab(53.12% -0.0462 -0.1155)
OKLCH	oklch(53.12% 0.124 248.2)
XYZ	xyz(14.3208, 15.0785, 43.2216)
Luminance	0.1508 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2370B0 #B06323

analogous

#23B0AA #2370B0 #232AB0

triadic

#2370B0 #B02370 #70B023

tetradic

#2370B0 #AA23B0 #B06323 #2AB023

square

#2370B0 #AA23B0 #B06323 #2AB023

split-complementary

#2370B0 #B0232A #B0AA23

monochromatic

#0F2F4A #19507D #2370B0 #398FD8 #6CACE2

Accessibility & contrast

On white

5.23

#2370B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#2370B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2370B0

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2370B0	#FFFFFF	#000000	##FFFFFF
##2370B0	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5273B3

Deuteranopia (green-blind)

#3D67AF

Tritanopia (blue-blind)

#007F87

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #2370b0;
/* rgb */ color: rgb(35, 112, 176);
/* oklch */ color: oklch(53.1% 0.124 248.2);

Tailwind

colors: {
  custom: {
    50: '#7498c8',
    500: '#2370b0',
    950: '#000000',
  },
}

SCSS

$custom: #2370b0;
$custom-light: #7498c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2370b0",
  "rgb": {
    "r": 35,
    "g": 112,
    "b": 176
  },
  "hsl": {
    "h": 207.234,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.53117,
    "c": 0.12438,
    "h": 248.2
  },
  "luminance": 0.1508
}

Semantic roles & 50–950 ramp

primary

#2370B0

secondary

#C89367

accent

#8C3EEA

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #2370B0

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

Preview Lab → · Contrast checker → · Palette generator →