#2B2B99#2B2B99

#2B2B99 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.2% C 0.173 H 274.1°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#2B2B99
RGB	rgb(43, 43, 153)
HSL	hsl(240, 56%, 38%)
HSV	hsv(240, 72%, 60%)
CMYK	cmyk(71.9%, 71.9%, 0%, 40%)
CIE-LAB	lab(25.38, 37.11, -59.66)
CIE-LCH	lch(25.38, 70.26, 301.88°)
OKLab	oklab(37.24% 0.0123 -0.1725)
OKLCH	oklch(37.24% 0.173 274.1)
XYZ	xyz(7.6080, 4.5405, 30.6063)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2B99 #99992B

analogous

#2B6299 #2B2B99 #622B99

triadic

#2B2B99 #992B2B #2B992B

tetradic

#2B2B99 #992B62 #99992B #2B9962

square

#2B2B99 #992B62 #99992B #2B9962

split-complementary

#2B2B99 #99622B #62992B

monochromatic

#101039 #1E1E69 #2B2B99 #3A3AC8 #6969D5

Accessibility & contrast

On white

11.01

#2B2B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2B2B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2B99

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2B99	#FFFFFF	#000000	##FFFFFF
##2B2B99	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419C

Deuteranopia (green-blind)

#003797

Tritanopia (blue-blind)

#004A5F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b2b99;
/* rgb */ color: rgb(43, 43, 153);
/* oklch */ color: oklch(37.2% 0.173 274.1);

Tailwind

colors: {
  custom: {
    50: '#7565b8',
    500: '#2b2b99',
    950: '#000000',
  },
}

SCSS

$custom: #2b2b99;
$custom-light: #7565b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2b99",
  "rgb": {
    "r": 43,
    "g": 43,
    "b": 153
  },
  "hsl": {
    "h": 240,
    "s": 56.122,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37235,
    "c": 0.17294,
    "h": 274.1
  },
  "luminance": 0.04541
}

Semantic roles & 50–950 ramp

primary

#2B2B99

secondary

#BCBC64

accent

#DF48DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #2B2B99

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

Preview Lab → · Contrast checker → · Palette generator →