#2F33B2#2F33B2

#2F33B2 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.3% C 0.195 H 272.6°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#2F33B2
RGB	rgb(47, 51, 178)
HSL	hsl(238, 58%, 44%)
HSV	hsv(238, 74%, 70%)
CMYK	cmyk(73.6%, 71.3%, 0%, 30.2%)
CIE-LAB	lab(29.88, 41.33, -67.36)
CIE-LCH	lch(29.88, 79.03, 301.53°)
OKLab	oklab(41.28% 0.0087 -0.1949)
OKLCH	oklch(41.28% 0.195 272.6)
XYZ	xyz(10.3893, 6.1853, 42.7572)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F33B2 #B2AE2F

analogous

#2F75B2 #2F33B2 #6D2FB2

triadic

#2F33B2 #B22F33 #33B22F

tetradic

#2F33B2 #B22F75 #B2AE2F #2FB26D

square

#2F33B2 #B22F75 #B2AE2F #2FB26D

split-complementary

#2F33B2 #B26D2F #75B22F

monochromatic

#151751 #222582 #2F33B2 #4E52D0 #7E81DD

Accessibility & contrast

On white

9.39

#2F33B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2F33B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F33B2

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F33B2	#FFFFFF	#000000	##FFFFFF
##2F33B2	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB6

Deuteranopia (green-blind)

#0040B0

Tritanopia (blue-blind)

#00576F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f33b2;
/* rgb */ color: rgb(47, 51, 178);
/* oklch */ color: oklch(41.3% 0.195 272.6);

Tailwind

colors: {
  custom: {
    50: '#7c6cca',
    500: '#2f33b2',
    950: '#000000',
  },
}

SCSS

$custom: #2f33b2;
$custom-light: #7c6cca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f33b2",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 178
  },
  "hsl": {
    "h": 238.168,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41275,
    "c": 0.19509,
    "h": 272.6
  },
  "luminance": 0.06186
}

Semantic roles & 50–950 ramp

primary

#2F33B2

secondary

#C6C377

accent

#DD46E1

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F33B2

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

Preview Lab → · Contrast checker → · Palette generator →