#2D37B2#2D37B2

#2D37B2 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.8% C 0.191 H 271.3°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#2D37B2
RGB	rgb(45, 55, 178)
HSL	hsl(235, 60%, 44%)
HSV	hsv(235, 75%, 70%)
CMYK	cmyk(74.7%, 69.1%, 0%, 30.2%)
CIE-LAB	lab(30.65, 38.70, -66.09)
CIE-LCH	lch(30.65, 76.59, 300.35°)
OKLab	oklab(41.8% 0.0043 -0.1912)
OKLCH	oklch(41.8% 0.191 271.3)
XYZ	xyz(10.4815, 6.5035, 42.8138)
Luminance	0.0650 (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

#2D37B2 #B2A82D

analogous

#2D79B2 #2D37B2 #652DB2

triadic

#2D37B2 #B22D37 #37B22D

tetradic

#2D37B2 #B22D79 #B2A82D #2DB265

square

#2D37B2 #B22D79 #B2A82D #2DB265

split-complementary

#2D37B2 #B2652D #79B22D

monochromatic

#141950 #212881 #2D37B2 #4B55D1 #7C83DE

Accessibility & contrast

On white

9.13

#2D37B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2D37B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D37B2

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D37B2	#FFFFFF	#000000	##FFFFFF
##2D37B2	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB6

Deuteranopia (green-blind)

#0042B0

Tritanopia (blue-blind)

#005970

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2d37b2;
/* rgb */ color: rgb(45, 55, 178);
/* oklch */ color: oklch(41.8% 0.191 271.3);

Tailwind

colors: {
  custom: {
    50: '#7b6eca',
    500: '#2d37b2',
    950: '#000000',
  },
}

SCSS

$custom: #2d37b2;
$custom-light: #7b6eca;
$custom-dark: #000000;

JSON

{
  "hex": "#2d37b2",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 178
  },
  "hsl": {
    "h": 235.489,
    "s": 59.641,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41802,
    "c": 0.19128,
    "h": 271.3
  },
  "luminance": 0.06505
}

Semantic roles & 50–950 ramp

primary

#2D37B2

secondary

#C6C075

accent

#D745E3

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2D37B2

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

Preview Lab → · Contrast checker → · Palette generator →