#2370BC#2370BC

#2370BC is a mid, vivid cyan. Relative luminance 0.156; OKLCH L 53.9% C 0.140 H 252.0°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#2370BC
RGB	rgb(35, 112, 188)
HSL	hsl(210, 69%, 44%)
HSV	hsv(210, 81%, 74%)
CMYK	cmyk(81.4%, 40.4%, 0%, 26.3%)
CIE-LAB	lab(46.41, 4.51, -46.44)
CIE-LCH	lch(46.41, 46.66, 275.55°)
OKLab	oklab(53.86% -0.0432 -0.1328)
OKLCH	oklch(53.86% 0.14 252)
XYZ	xyz(15.5610, 15.5746, 49.7533)
Luminance	0.1558 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2370BC #BC6F23

analogous

#23BCBB #2370BC #2323BC

triadic

#2370BC #BC2370 #70BC23

tetradic

#2370BC #BB23BC #BC6F23 #23BC23

square

#2370BC #BB23BC #BC6F23 #23BC23

split-complementary

#2370BC #BC2323 #BCBB23

monochromatic

#103355 #195188 #2370BC #418FDC #74ADE5

Accessibility & contrast

On white

5.10

#2370BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#2370BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2370BC

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2370BC	#FFFFFF	#000000	##FFFFFF
##2370BC	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B75BF

Deuteranopia (green-blind)

#3168BB

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2370bc;
/* rgb */ color: rgb(35, 112, 188);
/* oklch */ color: oklch(53.9% 0.140 252.0);

Tailwind

colors: {
  custom: {
    50: '#7798d0',
    500: '#2370bc',
    950: '#000000',
  },
}

SCSS

$custom: #2370bc;
$custom-light: #7798d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2370bc",
  "rgb": {
    "r": 35,
    "g": 112,
    "b": 188
  },
  "hsl": {
    "h": 209.804,
    "s": 68.61,
    "l": 43.725
  },
  "oklch": {
    "l": 0.5386,
    "c": 0.13963,
    "h": 252
  },
  "luminance": 0.15577
}

Semantic roles & 50–950 ramp

primary

#2370BC

secondary

#CC9D6F

accent

#933CEB

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0D14

muted

#7C7E82

Preview Lab

Preview with #2370BC

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

Preview Lab → · Contrast checker → · Palette generator →