#2371C5#2371C5

#2371C5 is a mid, vivid cyan. Relative luminance 0.162; OKLCH L 54.7% C 0.150 H 253.8°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#2371C5
RGB	rgb(35, 113, 197)
HSL	hsl(211, 70%, 45%)
HSV	hsv(211, 82%, 77%)
CMYK	cmyk(82.2%, 42.6%, 0%, 22.7%)
CIE-LAB	lab(47.23, 7.34, -50.32)
CIE-LCH	lch(47.23, 50.85, 278.30°)
OKLab	oklab(54.67% -0.042 -0.1442)
OKLCH	oklch(54.67% 0.15 253.8)
XYZ	xyz(16.6725, 16.1967, 55.0601)
Luminance	0.1620 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2371C5 #C57723

analogous

#23C2C5 #2371C5 #2623C5

triadic

#2371C5 #C52371 #71C523

tetradic

#2371C5 #C523C2 #C57723 #23C526

square

#2371C5 #C523C2 #C57723 #23C526

split-complementary

#2371C5 #C52623 #C2C523

monochromatic

#11355D #1A5391 #2371C5 #4790DE #7BAFE8

Accessibility & contrast

On white

4.95

#2371C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#2371C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2371C5

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2371C5	#FFFFFF	#000000	##FFFFFF
##2371C5	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4678C8

Deuteranopia (green-blind)

#2869C3

Tritanopia (blue-blind)

#008591

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2371c5;
/* rgb */ color: rgb(35, 113, 197);
/* oklch */ color: oklch(54.7% 0.150 253.8);

Tailwind

colors: {
  custom: {
    50: '#7999d7',
    500: '#2371c5',
    950: '#000000',
  },
}

SCSS

$custom: #2371c5;
$custom-light: #7999d7;
$custom-dark: #000000;

JSON

{
  "hex": "#2371c5",
  "rgb": {
    "r": 35,
    "g": 113,
    "b": 197
  },
  "hsl": {
    "h": 211.111,
    "s": 69.828,
    "l": 45.49
  },
  "oklch": {
    "l": 0.5467,
    "c": 0.15015,
    "h": 253.8
  },
  "luminance": 0.16199
}

Semantic roles & 50–950 ramp

primary

#2371C5

secondary

#CFA474

accent

#973BED

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #2371C5

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

Preview Lab → · Contrast checker → · Palette generator →