#2C37C7#2C37C7

#2C37C7 is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.9% C 0.218 H 270.2°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#2C37C7
RGB	rgb(44, 55, 199)
HSL	hsl(236, 64%, 48%)
HSV	hsv(236, 78%, 78%)
CMYK	cmyk(77.9%, 72.4%, 0%, 22%)
CIE-LAB	lab(32.68, 45.87, -75.14)
CIE-LCH	lch(32.68, 88.03, 301.40°)
OKLab	oklab(43.87% 0.0007 -0.2176)
OKLCH	oklch(43.87% 0.218 270.2)
XYZ	xyz(12.7102, 7.3899, 54.7783)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C37C7 #C7BC2C

analogous

#2C84C7 #2C37C7 #6F2CC7

triadic

#2C37C7 #C72C37 #37C72C

tetradic

#2C37C7 #C72C84 #C7BC2C #2CC76F

square

#2C37C7 #C72C84 #C7BC2C #2CC76F

split-complementary

#2C37C7 #C76F2C #84C72C

monochromatic

#161B63 #212995 #2C37C7 #5660DA #898FE5

Accessibility & contrast

On white

8.47

#2C37C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2C37C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C37C7

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C37C7	#FFFFFF	#000000	##FFFFFF
##2C37C7	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054CB

Deuteranopia (green-blind)

#0045C4

Tritanopia (blue-blind)

#00607C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2c37c7;
/* rgb */ color: rgb(44, 55, 199);
/* oklch */ color: oklch(43.9% 0.218 270.2);

Tailwind

colors: {
  custom: {
    50: '#806fd9',
    500: '#2c37c7',
    950: '#000000',
  },
}

SCSS

$custom: #2c37c7;
$custom-light: #806fd9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c37c7",
  "rgb": {
    "r": 44,
    "g": 55,
    "b": 199
  },
  "hsl": {
    "h": 235.742,
    "s": 63.786,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43872,
    "c": 0.21761,
    "h": 270.2
  },
  "luminance": 0.07391
}

Semantic roles & 50–950 ramp

primary

#2C37C7

secondary

#CFC980

accent

#DB41E7

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2C37C7

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

Preview Lab → · Contrast checker → · Palette generator →