#2F2FB1#2F2FB1

#2F2FB1 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.6% C 0.198 H 273.2°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#2F2FB1
RGB	rgb(47, 47, 177)
HSL	hsl(240, 58%, 44%)
HSV	hsv(240, 73%, 69%)
CMYK	cmyk(73.4%, 73.4%, 0%, 30.6%)
CIE-LAB	lab(28.93, 43.34, -68.32)
CIE-LCH	lch(28.93, 80.91, 302.39°)
OKLab	oklab(40.57% 0.011 -0.1977)
OKLCH	oklch(40.57% 0.198 273.2)
XYZ	xyz(10.1220, 5.8107, 42.1746)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.12

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F2FB1 #B1B12F

analogous

#2F70B1 #2F2FB1 #702FB1

triadic

#2F2FB1 #B12F2F #2FB12F

tetradic

#2F2FB1 #B12F70 #B1B12F #2FB170

square

#2F2FB1 #B12F70 #B1B12F #2FB170

split-complementary

#2F2FB1 #B1702F #70B12F

monochromatic

#151550 #222281 #2F2FB1 #4D4DD0 #7E7EDD

Accessibility & contrast

On white

9.71

#2F2FB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2F2FB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F2FB1

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F2FB1	#FFFFFF	#000000	##FFFFFF
##2F2FB1	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB5

Deuteranopia (green-blind)

#003EAF

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f2fb1;
/* rgb */ color: rgb(47, 47, 177);
/* oklch */ color: oklch(40.6% 0.198 273.2);

Tailwind

colors: {
  custom: {
    50: '#7c69ca',
    500: '#2f2fb1',
    950: '#000000',
  },
}

SCSS

$custom: #2f2fb1;
$custom-light: #7c69ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f2fb1",
  "rgb": {
    "r": 47,
    "g": 47,
    "b": 177
  },
  "hsl": {
    "h": 240,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40569,
    "c": 0.19797,
    "h": 273.2
  },
  "luminance": 0.05812
}

Semantic roles & 50–950 ramp

primary

#2F2FB1

secondary

#C5C576

accent

#E147E1

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F2FB1

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

Preview Lab → · Contrast checker → · Palette generator →