#2F33A4#2F33A4

#2F33A4 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.9% C 0.177 H 273.4°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#2F33A4
RGB	rgb(47, 51, 164)
HSL	hsl(238, 55%, 41%)
HSV	hsv(238, 71%, 64%)
CMYK	cmyk(71.3%, 68.9%, 0%, 35.7%)
CIE-LAB	lab(28.52, 36.48, -61.20)
CIE-LCH	lch(28.52, 71.25, 300.80°)
OKLab	oklab(39.88% 0.0106 -0.1769)
OKLCH	oklch(39.88% 0.177 273.4)
XYZ	xyz(9.0547, 5.6514, 35.7284)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F33A4 #A4A02F

analogous

#2F6EA4 #2F33A4 #662FA4

triadic

#2F33A4 #A42F33 #33A42F

tetradic

#2F33A4 #A42F6E #A4A02F #2FA466

square

#2F33A4 #A42F6E #A4A02F #2FA466

split-complementary

#2F33A4 #A4662F #6EA42F

monochromatic

#141545 #212474 #2F33A4 #464BCA #7679D8

Accessibility & contrast

On white

9.86

#2F33A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2F33A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F33A4

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F33A4	#FFFFFF	#000000	##FFFFFF
##2F33A4	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A7

Deuteranopia (green-blind)

#003EA2

Tritanopia (blue-blind)

#005267

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2f33a4;
/* rgb */ color: rgb(47, 51, 164);
/* oklch */ color: oklch(39.9% 0.177 273.4);

Tailwind

colors: {
  custom: {
    50: '#796bc0',
    500: '#2f33a4',
    950: '#000000',
  },
}

SCSS

$custom: #2f33a4;
$custom-light: #796bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f33a4",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 164
  },
  "hsl": {
    "h": 237.949,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39884,
    "c": 0.1772,
    "h": 273.4
  },
  "luminance": 0.05652
}

Semantic roles & 50–950 ramp

primary

#2F33A4

secondary

#C0BD6F

accent

#DA49DF

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F33A4

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

Preview Lab → · Contrast checker → · Palette generator →