#2F33C9#2F33C9

#2F33C9 is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.7% C 0.223 H 271.3°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#2F33C9
RGB	rgb(47, 51, 201)
HSL	hsl(238, 62%, 49%)
HSV	hsv(238, 77%, 79%)
CMYK	cmyk(76.6%, 74.6%, 0%, 21.2%)
CIE-LAB	lab(32.23, 49.03, -77.04)
CIE-LCH	lch(32.23, 91.32, 302.47°)
OKLab	oklab(43.66% 0.0051 -0.2231)
OKLCH	oklch(43.66% 0.223 271.3)
XYZ	xyz(12.8952, 7.1876, 55.9548)
Luminance	0.0719 (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

#2F33C9 #C9C52F

analogous

#2F80C9 #2F33C9 #782FC9

triadic

#2F33C9 #C92F33 #33C92F

tetradic

#2F33C9 #C92F80 #C9C52F #2FC978

square

#2F33C9 #C92F80 #C9C52F #2FC978

split-complementary

#2F33C9 #C9782F #80C92F

monochromatic

#181A66 #232697 #2F33C9 #5C5FD9 #8E90E5

Accessibility & contrast

On white

8.61

#2F33C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2F33C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F33C9

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F33C9	#FFFFFF	#000000	##FFFFFF
##2F33C9	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053CD

Deuteranopia (green-blind)

#0044C6

Tritanopia (blue-blind)

#005F7C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f33c9;
/* rgb */ color: rgb(47, 51, 201);
/* oklch */ color: oklch(43.7% 0.223 271.3);

Tailwind

colors: {
  custom: {
    50: '#816ddb',
    500: '#2f33c9',
    950: '#000000',
  },
}

SCSS

$custom: #2f33c9;
$custom-light: #816ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f33c9",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 201
  },
  "hsl": {
    "h": 238.442,
    "s": 62.097,
    "l": 48.627
  },
  "oklch": {
    "l": 0.43656,
    "c": 0.22312,
    "h": 271.3
  },
  "luminance": 0.07189
}

Semantic roles & 50–950 ramp

primary

#2F33C9

secondary

#CFCD85

accent

#E143E5

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2F33C9

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

Preview Lab → · Contrast checker → · Palette generator →