#2D37AD#2D37AD

#2D37AD is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.3% C 0.185 H 271.5°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#2D37AD
RGB	rgb(45, 55, 173)
HSL	hsl(235, 59%, 43%)
HSV	hsv(235, 74%, 68%)
CMYK	cmyk(74%, 68.2%, 0%, 32.2%)
CIE-LAB	lab(30.17, 36.93, -63.89)
CIE-LCH	lch(30.17, 73.80, 300.03°)
OKLab	oklab(41.31% 0.0049 -0.1848)
OKLCH	oklch(41.31% 0.185 271.5)
XYZ	xyz(9.9886, 6.3064, 40.2179)
Luminance	0.0631 (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

#2D37AD #ADA32D

analogous

#2D77AD #2D37AD #632DAD

triadic

#2D37AD #AD2D37 #37AD2D

tetradic

#2D37AD #AD2D77 #ADA32D #2DAD63

square

#2D37AD #AD2D77 #ADA32D #2DAD63

split-complementary

#2D37AD #AD632D #77AD2D

monochromatic

#14184C #20287C #2D37AD #4852CF #7880DC

Accessibility & contrast

On white

9.29

#2D37AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2D37AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D37AD

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D37AD	#FFFFFF	#000000	##FFFFFF
##2D37AD	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB1

Deuteranopia (green-blind)

#0041AB

Tritanopia (blue-blind)

#00576D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2d37ad;
/* rgb */ color: rgb(45, 55, 173);
/* oklch */ color: oklch(41.3% 0.185 271.5);

Tailwind

colors: {
  custom: {
    50: '#7a6ec7',
    500: '#2d37ad',
    950: '#000000',
  },
}

SCSS

$custom: #2d37ad;
$custom-light: #7a6ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#2d37ad",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 173
  },
  "hsl": {
    "h": 235.313,
    "s": 58.716,
    "l": 42.745
  },
  "oklch": {
    "l": 0.41312,
    "c": 0.18486,
    "h": 271.5
  },
  "luminance": 0.06307
}

Semantic roles & 50–950 ramp

primary

#2D37AD

secondary

#C4BE72

accent

#D646E2

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2D37AD

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

Preview Lab → · Contrast checker → · Palette generator →