#2B299B#2B299B

#2B299B is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.1% C 0.178 H 274.2°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#2B299B
RGB	rgb(43, 41, 155)
HSL	hsl(241, 58%, 38%)
HSV	hsv(241, 74%, 61%)
CMYK	cmyk(72.3%, 73.5%, 0%, 39.2%)
CIE-LAB	lab(25.15, 39.00, -61.27)
CIE-LCH	lch(25.15, 72.62, 302.48°)
OKLab	oklab(37.13% 0.0131 -0.1772)
OKLCH	oklch(37.13% 0.178 274.2)
XYZ	xyz(7.7036, 4.4653, 31.4599)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B299B #999B29

analogous

#29609B #2B299B #64299B

triadic

#2B299B #9B2B29 #299B2B

tetradic

#2B299B #9B2960 #999B29 #299B64

square

#2B299B #9B2960 #999B29 #299B64

split-complementary

#2B299B #9B6429 #609B29

monochromatic

#100F3A #1E1C6B #2B299B #3A37CA #6967D7

Accessibility & contrast

On white

11.09

#2B299B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2B299B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B299B

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B299B	#FFFFFF	#000000	##FFFFFF
##2B299B	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419E

Deuteranopia (green-blind)

#003699

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b299b;
/* rgb */ color: rgb(43, 41, 155);
/* oklch */ color: oklch(37.1% 0.178 274.2);

Tailwind

colors: {
  custom: {
    50: '#7664ba',
    500: '#2b299b',
    950: '#000000',
  },
}

SCSS

$custom: #2b299b;
$custom-light: #7664ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b299b",
  "rgb": {
    "r": 43,
    "g": 41,
    "b": 155
  },
  "hsl": {
    "h": 241.053,
    "s": 58.163,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37132,
    "c": 0.17766,
    "h": 274.2
  },
  "luminance": 0.04466
}

Semantic roles & 50–950 ramp

primary

#2B299B

secondary

#BCBD63

accent

#E146DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2B299B

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

Preview Lab → · Contrast checker → · Palette generator →