#2B2791#2B2791

#2B2791 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.8% C 0.167 H 275.5°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#2B2791
RGB	rgb(43, 39, 145)
HSL	hsl(242, 58%, 36%)
HSV	hsv(242, 73%, 57%)
CMYK	cmyk(70.3%, 73.1%, 0%, 43.1%)
CIE-LAB	lab(23.70, 36.77, -57.51)
CIE-LCH	lch(23.70, 68.26, 302.59°)
OKLab	oklab(35.79% 0.0161 -0.1662)
OKLCH	oklch(35.79% 0.167 275.5)
XYZ	xyz(6.8309, 4.0083, 27.1963)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2791 #8D9127

analogous

#275891 #2B2791 #602791

triadic

#2B2791 #912B27 #27912B

tetradic

#2B2791 #912758 #8D9127 #279160

square

#2B2791 #912758 #8D9127 #279160

split-complementary

#2B2791 #916027 #589127

monochromatic

#0E0D31 #1D1A61 #2B2791 #3934C1 #635FD4

Accessibility & contrast

On white

11.66

#2B2791 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#2B2791 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2791

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2791	#FFFFFF	#000000	##FFFFFF
##2B2791	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D94

Deuteranopia (green-blind)

#00348F

Tritanopia (blue-blind)

#004559

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2b2791;
/* rgb */ color: rgb(43, 39, 145);
/* oklch */ color: oklch(35.8% 0.167 275.5);

Tailwind

colors: {
  custom: {
    50: '#7462b2',
    500: '#2b2791',
    950: '#000000',
  },
}

SCSS

$custom: #2b2791;
$custom-light: #7462b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2791",
  "rgb": {
    "r": 43,
    "g": 39,
    "b": 145
  },
  "hsl": {
    "h": 242.264,
    "s": 57.609,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35786,
    "c": 0.16698,
    "h": 275.5
  },
  "luminance": 0.04009
}

Semantic roles & 50–950 ramp

primary

#2B2791

secondary

#B6B95B

accent

#E147DB

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #2B2791

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

Preview Lab → · Contrast checker → · Palette generator →