#2F33D0#2F33D0

#2F33D0 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.4% C 0.231 H 271.0°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#2F33D0
RGB	rgb(47, 51, 208)
HSL	hsl(239, 63%, 50%)
HSV	hsv(239, 77%, 82%)
CMYK	cmyk(77.4%, 75.5%, 0%, 18.4%)
CIE-LAB	lab(32.97, 51.31, -79.89)
CIE-LCH	lch(32.97, 94.95, 302.71°)
OKLab	oklab(44.4% 0.0039 -0.2313)
OKLCH	oklch(44.4% 0.231 271)
XYZ	xyz(13.7374, 7.5245, 60.3907)
Luminance	0.0753 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.13

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F33D0 #D0CC2F

analogous

#2F84D0 #2F33D0 #7B2FD0

triadic

#2F33D0 #D02F33 #33D02F

tetradic

#2F33D0 #D02F84 #D0CC2F #2FD07B

square

#2F33D0 #D02F84 #D0CC2F #2FD07B

split-complementary

#2F33D0 #D07B2F #84D02F

monochromatic

#181B6C #24279E #2F33D0 #6164DB #9395E7

Accessibility & contrast

On white

8.38

#2F33D0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2F33D0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F33D0

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F33D0	#FFFFFF	#000000	##FFFFFF
##2F33D0	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055D4

Deuteranopia (green-blind)

#0045CD

Tritanopia (blue-blind)

#006280

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f33d0;
/* rgb */ color: rgb(47, 51, 208);
/* oklch */ color: oklch(44.4% 0.231 271.0);

Tailwind

colors: {
  custom: {
    50: '#836de0',
    500: '#2f33d0',
    950: '#000000',
  },
}

SCSS

$custom: #2f33d0;
$custom-light: #836de0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f33d0",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 208
  },
  "hsl": {
    "h": 238.509,
    "s": 63.137,
    "l": 50
  },
  "oklch": {
    "l": 0.444,
    "c": 0.23136,
    "h": 271
  },
  "luminance": 0.07526
}

Semantic roles & 50–950 ramp

primary

#2F33D0

secondary

#D1D089

accent

#E242E6

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #2F33D0

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

Preview Lab → · Contrast checker → · Palette generator →