#2F33CF#2F33CF

#2F33CF is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.3% C 0.230 H 271.0°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#2F33CF
RGB	rgb(47, 51, 207)
HSL	hsl(239, 63%, 50%)
HSV	hsv(239, 77%, 81%)
CMYK	cmyk(77.3%, 75.4%, 0%, 18.8%)
CIE-LAB	lab(32.87, 50.99, -79.48)
CIE-LCH	lch(32.87, 94.43, 302.68°)
OKLab	oklab(44.29% 0.0041 -0.2302)
OKLCH	oklch(44.29% 0.23 271)
XYZ	xyz(13.6148, 7.4755, 59.7448)
Luminance	0.0748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.16

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F33CF #CFCB2F

analogous

#2F83CF #2F33CF #7B2FCF

triadic

#2F33CF #CF2F33 #33CF2F

tetradic

#2F33CF #CF2F83 #CFCB2F #2FCF7B

square

#2F33CF #CF2F83 #CFCB2F #2FCF7B

split-complementary

#2F33CF #CF7B2F #83CF2F

monochromatic

#181A6B #24279D #2F33CF #6063DB #9294E6

Accessibility & contrast

On white

8.42

#2F33CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2F33CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F33CF

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F33CF	#FFFFFF	#000000	##FFFFFF
##2F33CF	1.00	8.42	2.50	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055D3

Deuteranopia (green-blind)

#0045CC

Tritanopia (blue-blind)

#00617F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f33cf;
/* rgb */ color: rgb(47, 51, 207);
/* oklch */ color: oklch(44.3% 0.230 271.0);

Tailwind

colors: {
  custom: {
    50: '#836ddf',
    500: '#2f33cf',
    950: '#000000',
  },
}

SCSS

$custom: #2f33cf;
$custom-light: #836ddf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f33cf",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 207
  },
  "hsl": {
    "h": 238.5,
    "s": 62.992,
    "l": 49.804
  },
  "oklch": {
    "l": 0.44293,
    "c": 0.2302,
    "h": 271
  },
  "luminance": 0.07477
}

Semantic roles & 50–950 ramp

primary

#2F33CF

secondary

#D1CF89

accent

#E242E6

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #2F33CF

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

Preview Lab → · Contrast checker → · Palette generator →