#2371D4#2371D4

#2371D4 is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.7% C 0.170 H 256.7°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#2371D4
RGB	rgb(35, 113, 212)
HSL	hsl(214, 72%, 48%)
HSV	hsv(214, 83%, 83%)
CMYK	cmyk(83.5%, 46.7%, 0%, 16.9%)
CIE-LAB	lab(48.16, 13.11, -57.41)
CIE-LCH	lch(48.16, 58.89, 282.86°)
OKLab	oklab(55.68% -0.0391 -0.165)
OKLCH	oklch(55.68% 0.17 256.7)
XYZ	xyz(18.4775, 16.9187, 64.5664)
Luminance	0.1692 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2371D4 #D48623

analogous

#23C9D4 #2371D4 #2D23D4

triadic

#2371D4 #D42371 #71D423

tetradic

#2371D4 #D423C9 #D48623 #23D42D

square

#2371D4 #D423C9 #D48623 #23D42D

split-complementary

#2371D4 #D42D23 #C9D423

monochromatic

#12396B #1A559F #2371D4 #5292E2 #86B3EB

Accessibility & contrast

On white

4.79

#2371D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#2371D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2371D4

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2371D4	#FFFFFF	#000000	##FFFFFF
##2371D4	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#397BD8

Deuteranopia (green-blind)

#006BD2

Tritanopia (blue-blind)

#008998

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2371d4;
/* rgb */ color: rgb(35, 113, 212);
/* oklch */ color: oklch(55.7% 0.170 256.7);

Tailwind

colors: {
  custom: {
    50: '#7c99e2',
    500: '#2371d4',
    950: '#000000',
  },
}

SCSS

$custom: #2371d4;
$custom-light: #7c99e2;
$custom-dark: #000000;

JSON

{
  "hex": "#2371d4",
  "rgb": {
    "r": 35,
    "g": 113,
    "b": 212
  },
  "hsl": {
    "h": 213.559,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.55685,
    "c": 0.16959,
    "h": 256.7
  },
  "luminance": 0.16921
}

Semantic roles & 50–950 ramp

primary

#2371D4

secondary

#D4AE7E

accent

#9F39EE

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #2371D4

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

Preview Lab → · Contrast checker → · Palette generator →