#2C37B0#2C37B0

#2C37B0 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.6% C 0.189 H 271.1°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#2C37B0
RGB	rgb(44, 55, 176)
HSL	hsl(235, 60%, 43%)
HSV	hsv(235, 75%, 69%)
CMYK	cmyk(75%, 68.8%, 0%, 31%)
CIE-LAB	lab(30.40, 37.89, -65.31)
CIE-LCH	lch(30.40, 75.50, 300.12°)
OKLab	oklab(41.55% 0.0035 -0.1889)
OKLCH	oklch(41.55% 0.189 271.1)
XYZ	xyz(10.2387, 6.4014, 41.7619)
Luminance	0.0640 (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

#2C37B0 #B0A52C

analogous

#2C79B0 #2C37B0 #632CB0

triadic

#2C37B0 #B02C37 #37B02C

tetradic

#2C37B0 #B02C79 #B0A52C #2CB063

square

#2C37B0 #B02C79 #B0A52C #2CB063

split-complementary

#2C37B0 #B0632C #79B02C

monochromatic

#14184E #20287F #2C37B0 #4853D1 #7981DD

Accessibility & contrast

On white

9.21

#2C37B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2C37B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C37B0

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C37B0	#FFFFFF	#000000	##FFFFFF
##2C37B0	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB4

Deuteranopia (green-blind)

#0041AE

Tritanopia (blue-blind)

#00586F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2c37b0;
/* rgb */ color: rgb(44, 55, 176);
/* oklch */ color: oklch(41.6% 0.189 271.1);

Tailwind

colors: {
  custom: {
    50: '#7a6ec9',
    500: '#2c37b0',
    950: '#000000',
  },
}

SCSS

$custom: #2c37b0;
$custom-light: #7a6ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c37b0",
  "rgb": {
    "r": 44,
    "g": 55,
    "b": 176
  },
  "hsl": {
    "h": 235,
    "s": 60,
    "l": 43.137
  },
  "oklch": {
    "l": 0.41551,
    "c": 0.18898,
    "h": 271.1
  },
  "luminance": 0.06402
}

Semantic roles & 50–950 ramp

primary

#2C37B0

secondary

#C6BF72

accent

#D645E3

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2C37B0

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

Preview Lab → · Contrast checker → · Palette generator →