#2B319F#2B319F

#2B319F is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.8% C 0.174 H 272.6°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#2B319F
RGB	rgb(43, 49, 159)
HSL	hsl(237, 57%, 40%)
HSV	hsv(237, 73%, 62%)
CMYK	cmyk(73%, 69.2%, 0%, 37.6%)
CIE-LAB	lab(27.33, 35.50, -60.12)
CIE-LCH	lch(27.33, 69.82, 300.56°)
OKLab	oklab(38.82% 0.0078 -0.1738)
OKLCH	oklch(38.82% 0.174 272.6)
XYZ	xyz(8.3505, 5.2126, 33.3602)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B319F #9F992B

analogous

#2B6B9F #2B319F #5F2B9F

triadic

#2B319F #9F2B31 #319F2B

tetradic

#2B319F #9F2B6B #9F992B #2B9F5F

square

#2B319F #9F2B6B #9F992B #2B9F5F

split-complementary

#2B319F #9F5F2B #6B9F2B

monochromatic

#11133F #1E226F #2B319F #3D44CA #6D72D7

Accessibility & contrast

On white

10.28

#2B319F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2B319F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B319F

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B319F	#FFFFFF	#000000	##FFFFFF
##2B319F	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A2

Deuteranopia (green-blind)

#003B9D

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b319f;
/* rgb */ color: rgb(43, 49, 159);
/* oklch */ color: oklch(38.8% 0.174 272.6);

Tailwind

colors: {
  custom: {
    50: '#7669bc',
    500: '#2b319f',
    950: '#000000',
  },
}

SCSS

$custom: #2b319f;
$custom-light: #7669bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b319f",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 159
  },
  "hsl": {
    "h": 236.897,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38818,
    "c": 0.174,
    "h": 272.6
  },
  "luminance": 0.05213
}

Semantic roles & 50–950 ramp

primary

#2B319F

secondary

#BEBA67

accent

#D947E1

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2B319F

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

Preview Lab → · Contrast checker → · Palette generator →