#2D37C9#2D37C9

#2D37C9 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.1% C 0.220 H 270.4°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#2D37C9
RGB	rgb(45, 55, 201)
HSL	hsl(236, 63%, 48%)
HSV	hsv(236, 78%, 79%)
CMYK	cmyk(77.6%, 72.6%, 0%, 21.2%)
CIE-LAB	lab(32.93, 46.62, -75.89)
CIE-LCH	lch(32.93, 89.06, 301.56°)
OKLab	oklab(44.13% 0.0014 -0.2198)
OKLCH	oklch(44.13% 0.22 270.4)
XYZ	xyz(12.9874, 7.5059, 56.0113)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.33

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D37C9 #C9BF2D

analogous

#2D85C9 #2D37C9 #712DC9

triadic

#2D37C9 #C92D37 #37C92D

tetradic

#2D37C9 #C92D85 #C9BF2D #2DC971

square

#2D37C9 #C92D85 #C9BF2D #2DC971

split-complementary

#2D37C9 #C9712D #85C92D

monochromatic

#171C65 #222997 #2D37C9 #5962DA #8B91E5

Accessibility & contrast

On white

8.40

#2D37C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2D37C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D37C9

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D37C9	#FFFFFF	#000000	##FFFFFF
##2D37C9	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055CD

Deuteranopia (green-blind)

#0046C6

Tritanopia (blue-blind)

#00617D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2d37c9;
/* rgb */ color: rgb(45, 55, 201);
/* oklch */ color: oklch(44.1% 0.220 270.4);

Tailwind

colors: {
  custom: {
    50: '#806fdb',
    500: '#2d37c9',
    950: '#000000',
  },
}

SCSS

$custom: #2d37c9;
$custom-light: #806fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#2d37c9",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 201
  },
  "hsl": {
    "h": 236.154,
    "s": 63.415,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44128,
    "c": 0.21977,
    "h": 270.4
  },
  "luminance": 0.07507
}

Semantic roles & 50–950 ramp

primary

#2D37C9

secondary

#CFCA83

accent

#DC41E6

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2D37C9

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

Preview Lab → · Contrast checker → · Palette generator →