#2F33AD#2F33AD

#2F33AD is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.8% C 0.189 H 272.9°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#2F33AD
RGB	rgb(47, 51, 173)
HSL	hsl(238, 57%, 43%)
HSV	hsv(238, 73%, 68%)
CMYK	cmyk(72.8%, 70.5%, 0%, 32.2%)
CIE-LAB	lab(29.38, 39.61, -65.19)
CIE-LCH	lch(29.38, 76.28, 301.29°)
OKLab	oklab(40.77% 0.0094 -0.1885)
OKLCH	oklch(40.77% 0.189 272.9)
XYZ	xyz(9.8964, 5.9881, 40.1613)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.16

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F33AD #ADA92F

analogous

#2F72AD #2F33AD #6A2FAD

triadic

#2F33AD #AD2F33 #33AD2F

tetradic

#2F33AD #AD2F72 #ADA92F #2FAD6A

square

#2F33AD #AD2F72 #ADA92F #2FAD6A

split-complementary

#2F33AD #AD6A2F #72AD2F

monochromatic

#15174D #22257D #2F33AD #4B4FCE #7B7EDB

Accessibility & contrast

On white

9.56

#2F33AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2F33AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F33AD

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F33AD	#FFFFFF	#000000	##FFFFFF
##2F33AD	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB1

Deuteranopia (green-blind)

#003FAB

Tritanopia (blue-blind)

#00556C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f33ad;
/* rgb */ color: rgb(47, 51, 173);
/* oklch */ color: oklch(40.8% 0.189 272.9);

Tailwind

colors: {
  custom: {
    50: '#7b6bc7',
    500: '#2f33ad',
    950: '#000000',
  },
}

SCSS

$custom: #2f33ad;
$custom-light: #7b6bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f33ad",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 173
  },
  "hsl": {
    "h": 238.095,
    "s": 57.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.40772,
    "c": 0.18878,
    "h": 272.9
  },
  "luminance": 0.05989
}

Semantic roles & 50–950 ramp

primary

#2F33AD

secondary

#C4C174

accent

#DC47E1

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F33AD

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

Preview Lab → · Contrast checker → · Palette generator →