#2F2F91#2F2F91

#2F2F91 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.4% C 0.157 H 275.7°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#2F2F91
RGB	rgb(47, 47, 145)
HSL	hsl(240, 51%, 38%)
HSV	hsv(240, 68%, 57%)
CMYK	cmyk(67.6%, 67.6%, 0%, 43.1%)
CIE-LAB	lab(25.81, 32.32, -54.04)
CIE-LCH	lch(25.81, 62.96, 300.88°)
OKLab	oklab(37.38% 0.0156 -0.1559)
OKLCH	oklch(37.38% 0.157 275.7)
XYZ	xyz(7.2980, 4.6811, 27.3015)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F2F91 #91912F

analogous

#2F6091 #2F2F91 #602F91

triadic

#2F2F91 #912F2F #2F912F

tetradic

#2F2F91 #912F60 #91912F #2F9160

square

#2F2F91 #912F60 #91912F #2F9160

split-complementary

#2F2F91 #91602F #60912F

monochromatic

#111135 #202063 #2F2F91 #3E3EBF #6B6BCF

Accessibility & contrast

On white

10.84

#2F2F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2F2F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F2F91

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F2F91	#FFFFFF	#000000	##FFFFFF
##2F2F91	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004294

Deuteranopia (green-blind)

#00398F

Tritanopia (blue-blind)

#00495C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2f2f91;
/* rgb */ color: rgb(47, 47, 145);
/* oklch */ color: oklch(37.4% 0.157 275.7);

Tailwind

colors: {
  custom: {
    50: '#7568b2',
    500: '#2f2f91',
    950: '#000000',
  },
}

SCSS

$custom: #2f2f91;
$custom-light: #7568b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f2f91",
  "rgb": {
    "r": 47,
    "g": 47,
    "b": 145
  },
  "hsl": {
    "h": 240,
    "s": 51.042,
    "l": 37.647
  },
  "oklch": {
    "l": 0.37378,
    "c": 0.15672,
    "h": 275.7
  },
  "luminance": 0.04682
}

Semantic roles & 50–950 ramp

primary

#2F2F91

secondary

#B6B665

accent

#DB4DDB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2F2F91

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

Preview Lab → · Contrast checker → · Palette generator →