#2377BD#2377BD

#2377BD is a mid, vivid cyan. Relative luminance 0.172; OKLCH L 55.5% C 0.134 H 248.6°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#2377BD
RGB	rgb(35, 119, 189)
HSL	hsl(207, 69%, 44%)
HSV	hsv(207, 81%, 74%)
CMYK	cmyk(81.5%, 37%, 0%, 25.9%)
CIE-LAB	lab(48.54, 0.57, -43.63)
CIE-LCH	lch(48.54, 43.63, 270.75°)
OKLab	oklab(55.55% -0.0489 -0.1244)
OKLCH	oklch(55.55% 0.134 248.6)
XYZ	xyz(16.4717, 17.2231, 50.5905)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2377BD #BD6923

analogous

#23BDB6 #2377BD #232ABD

triadic

#2377BD #BD2377 #77BD23

tetradic

#2377BD #B623BD #BD6923 #2ABD23

square

#2377BD #B623BD #BD6923 #2ABD23

split-complementary

#2377BD #BD232A #BDB623

monochromatic

#103656 #195689 #2377BD #4196DC #75B2E5

Accessibility & contrast

On white

4.72

#2377BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#2377BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2377BD

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2377BD	#FFFFFF	#000000	##FFFFFF
##2377BD	1.00	4.72	4.44	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#567BC0

Deuteranopia (green-blind)

#3E6DBC

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2377bd;
/* rgb */ color: rgb(35, 119, 189);
/* oklch */ color: oklch(55.5% 0.134 248.6);

Tailwind

colors: {
  custom: {
    50: '#779dd1',
    500: '#2377bd',
    950: '#000000',
  },
}

SCSS

$custom: #2377bd;
$custom-light: #779dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2377bd",
  "rgb": {
    "r": 35,
    "g": 119,
    "b": 189
  },
  "hsl": {
    "h": 207.273,
    "s": 68.75,
    "l": 43.922
  },
  "oklch": {
    "l": 0.55545,
    "c": 0.13368,
    "h": 248.6
  },
  "luminance": 0.17225
}

Semantic roles & 50–950 ramp

primary

#2377BD

secondary

#CD9A6F

accent

#8C3CEC

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2377BD

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

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