#2D37CA#2D37CA

#2D37CA is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.2% C 0.221 H 270.3°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#2D37CA
RGB	rgb(45, 55, 202)
HSL	hsl(236, 64%, 48%)
HSV	hsv(236, 78%, 79%)
CMYK	cmyk(77.7%, 72.8%, 0%, 20.8%)
CIE-LAB	lab(33.03, 46.95, -76.30)
CIE-LCH	lch(33.03, 89.59, 301.61°)
OKLab	oklab(44.23% 0.0013 -0.221)
OKLCH	oklch(44.23% 0.221 270.3)
XYZ	xyz(13.1054, 7.5531, 56.6329)
Luminance	0.0756 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.34

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D37CA #CAC02D

analogous

#2D85CA #2D37CA #712DCA

triadic

#2D37CA #CA2D37 #37CA2D

tetradic

#2D37CA #CA2D85 #CAC02D #2DCA71

square

#2D37CA #CA2D85 #CAC02D #2DCA71

split-complementary

#2D37CA #CA712D #85CA2D

monochromatic

#171C66 #222998 #2D37CA #5A62DA #8C92E5

Accessibility & contrast

On white

8.36

#2D37CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2D37CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D37CA

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D37CA	#FFFFFF	#000000	##FFFFFF
##2D37CA	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055CE

Deuteranopia (green-blind)

#0046C7

Tritanopia (blue-blind)

#00617D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2d37ca;
/* rgb */ color: rgb(45, 55, 202);
/* oklch */ color: oklch(44.2% 0.221 270.3);

Tailwind

colors: {
  custom: {
    50: '#816fdb',
    500: '#2d37ca',
    950: '#000000',
  },
}

SCSS

$custom: #2d37ca;
$custom-light: #816fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#2d37ca",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 202
  },
  "hsl": {
    "h": 236.178,
    "s": 63.563,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44231,
    "c": 0.22097,
    "h": 270.3
  },
  "luminance": 0.07555
}

Semantic roles & 50–950 ramp

primary

#2D37CA

secondary

#CFCB83

accent

#DC41E7

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2D37CA

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

Preview Lab → · Contrast checker → · Palette generator →