#2B319D#2B319D

#2B319D is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.6% C 0.171 H 272.7°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#2B319D
RGB	rgb(43, 49, 157)
HSL	hsl(237, 57%, 39%)
HSV	hsv(237, 73%, 62%)
CMYK	cmyk(72.6%, 68.8%, 0%, 38.4%)
CIE-LAB	lab(27.14, 34.79, -59.22)
CIE-LCH	lch(27.14, 68.68, 300.43°)
OKLab	oklab(38.62% 0.008 -0.1712)
OKLCH	oklch(38.62% 0.171 272.7)
XYZ	xyz(8.1783, 5.1437, 32.4536)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B319D #9D972B

analogous

#2B6A9D #2B319D #5E2B9D

triadic

#2B319D #9D2B31 #319D2B

tetradic

#2B319D #9D2B6A #9D972B #2B9D5E

square

#2B319D #9D2B6A #9D972B #2B9D5E

split-complementary

#2B319D #9D5E2B #6A9D2B

monochromatic

#11133D #1E226D #2B319D #3C43CA #6C71D7

Accessibility & contrast

On white

10.35

#2B319D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2B319D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B319D

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B319D	#FFFFFF	#000000	##FFFFFF
##2B319D	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A0

Deuteranopia (green-blind)

#003B9B

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2b319d;
/* rgb */ color: rgb(43, 49, 157);
/* oklch */ color: oklch(38.6% 0.171 272.7);

Tailwind

colors: {
  custom: {
    50: '#7669bb',
    500: '#2b319d',
    950: '#000000',
  },
}

SCSS

$custom: #2b319d;
$custom-light: #7669bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b319d",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 157
  },
  "hsl": {
    "h": 236.842,
    "s": 57,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38621,
    "c": 0.17139,
    "h": 272.7
  },
  "luminance": 0.05145
}

Semantic roles & 50–950 ramp

primary

#2B319D

secondary

#BDB966

accent

#D848E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2B319D

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

Preview Lab → · Contrast checker → · Palette generator →