#2B319A#2B319A

#2B319A is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.3% C 0.167 H 272.9°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#2B319A
RGB	rgb(43, 49, 154)
HSL	hsl(237, 56%, 39%)
HSV	hsv(237, 72%, 60%)
CMYK	cmyk(72.1%, 68.2%, 0%, 39.6%)
CIE-LAB	lab(26.86, 33.72, -57.85)
CIE-LCH	lch(26.86, 66.96, 300.23°)
OKLab	oklab(38.33% 0.0083 -0.1672)
OKLCH	oklch(38.33% 0.167 272.9)
XYZ	xyz(7.9254, 5.0425, 31.1212)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B319A #9A942B

analogous

#2B689A #2B319A #5C2B9A

triadic

#2B319A #9A2B31 #319A2B

tetradic

#2B319A #9A2B68 #9A942B #2B9A5C

square

#2B319A #9A2B68 #9A942B #2B9A5C

split-complementary

#2B319A #9A5C2B #689A2B

monochromatic

#10133A #1E226A #2B319A #3A42C8 #6A70D5

Accessibility & contrast

On white

10.46

#2B319A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2B319A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B319A

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B319A	#FFFFFF	#000000	##FFFFFF
##2B319A	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459D

Deuteranopia (green-blind)

#003A98

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b319a;
/* rgb */ color: rgb(43, 49, 154);
/* oklch */ color: oklch(38.3% 0.167 272.9);

Tailwind

colors: {
  custom: {
    50: '#7569b9',
    500: '#2b319a',
    950: '#000000',
  },
}

SCSS

$custom: #2b319a;
$custom-light: #7569b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b319a",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 154
  },
  "hsl": {
    "h": 236.757,
    "s": 56.345,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38327,
    "c": 0.16742,
    "h": 272.9
  },
  "luminance": 0.05043
}

Semantic roles & 50–950 ramp

primary

#2B319A

secondary

#BCB765

accent

#D748E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2B319A

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

Preview Lab → · Contrast checker → · Palette generator →