#2B2B91#2B2B91

#2B2B91 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.4% C 0.162 H 274.8°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#2B2B91
RGB	rgb(43, 43, 145)
HSL	hsl(240, 54%, 37%)
HSV	hsv(240, 70%, 57%)
CMYK	cmyk(70.3%, 70.3%, 0%, 43.1%)
CIE-LAB	lab(24.59, 34.31, -56.04)
CIE-LCH	lch(24.59, 65.71, 301.48°)
OKLab	oklab(36.43% 0.0135 -0.1619)
OKLCH	oklch(36.43% 0.162 274.8)
XYZ	xyz(6.9693, 4.2850, 27.2424)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2B91 #91912B

analogous

#2B5E91 #2B2B91 #5E2B91

triadic

#2B2B91 #912B2B #2B912B

tetradic

#2B2B91 #912B5E #91912B #2B915E

square

#2B2B91 #912B5E #91912B #2B915E

split-complementary

#2B2B91 #915E2B #5E912B

monochromatic

#0F0F33 #1D1D62 #2B2B91 #3939C0 #6565D1

Accessibility & contrast

On white

11.31

#2B2B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2B2B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2B91

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2B91	#FFFFFF	#000000	##FFFFFF
##2B2B91	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F94

Deuteranopia (green-blind)

#00368F

Tritanopia (blue-blind)

#00475A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2b2b91;
/* rgb */ color: rgb(43, 43, 145);
/* oklch */ color: oklch(36.4% 0.162 274.8);

Tailwind

colors: {
  custom: {
    50: '#7365b2',
    500: '#2b2b91',
    950: '#000000',
  },
}

SCSS

$custom: #2b2b91;
$custom-light: #7365b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2b91",
  "rgb": {
    "r": 43,
    "g": 43,
    "b": 145
  },
  "hsl": {
    "h": 240,
    "s": 54.255,
    "l": 36.863
  },
  "oklch": {
    "l": 0.36427,
    "c": 0.16247,
    "h": 274.8
  },
  "luminance": 0.04286
}

Semantic roles & 50–950 ramp

primary

#2B2B91

secondary

#B8B860

accent

#DE4ADE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #2B2B91

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

Preview Lab → · Contrast checker → · Palette generator →