#2E31A5#2E31A5

#2E31A5 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.6% C 0.181 H 273.3°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#2E31A5
RGB	rgb(46, 49, 165)
HSL	hsl(238, 56%, 41%)
HSV	hsv(238, 72%, 65%)
CMYK	cmyk(72.1%, 70.3%, 0%, 35.3%)
CIE-LAB	lab(28.10, 37.95, -62.49)
CIE-LCH	lch(28.10, 73.11, 301.27°)
OKLab	oklab(39.59% 0.0105 -0.1807)
OKLCH	oklch(39.59% 0.181 273.3)
XYZ	xyz(9.0143, 5.4932, 36.1752)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E31A5 #A5A22E

analogous

#2E6DA5 #2E31A5 #672EA5

triadic

#2E31A5 #A52E31 #31A52E

tetradic

#2E31A5 #A52E6D #A5A22E #2EA567

square

#2E31A5 #A52E6D #A5A22E #2EA567

split-complementary

#2E31A5 #A5672E #6DA52E

monochromatic

#131545 #212375 #2E31A5 #4548CB #7577D8

Accessibility & contrast

On white

10.01

#2E31A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2E31A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E31A5

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E31A5	#FFFFFF	#000000	##FFFFFF
##2E31A5	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A9

Deuteranopia (green-blind)

#003DA3

Tritanopia (blue-blind)

#005167

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2e31a5;
/* rgb */ color: rgb(46, 49, 165);
/* oklch */ color: oklch(39.6% 0.181 273.3);

Tailwind

colors: {
  custom: {
    50: '#796ac1',
    500: '#2e31a5',
    950: '#000000',
  },
}

SCSS

$custom: #2e31a5;
$custom-light: #796ac1;
$custom-dark: #000000;

JSON

{
  "hex": "#2e31a5",
  "rgb": {
    "r": 46,
    "g": 49,
    "b": 165
  },
  "hsl": {
    "h": 238.487,
    "s": 56.398,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39594,
    "c": 0.181,
    "h": 273.3
  },
  "luminance": 0.05494
}

Semantic roles & 50–950 ramp

primary

#2E31A5

secondary

#C0BE6F

accent

#DC48E0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2E31A5

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

Preview Lab → · Contrast checker → · Palette generator →