#2B409B#2B409B

#2B409B is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.2% C 0.150 H 268.9°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#2B409B
RGB	rgb(43, 64, 155)
HSL	hsl(229, 57%, 39%)
HSV	hsv(229, 72%, 61%)
CMYK	cmyk(72.3%, 58.7%, 0%, 39.2%)
CIE-LAB	lab(30.75, 24.20, -52.10)
CIE-LCH	lch(30.75, 57.45, 294.92°)
OKLab	oklab(41.22% -0.0028 -0.1502)
OKLCH	oklch(41.22% 0.15 268.9)
XYZ	xyz(8.7440, 6.5461, 31.8067)
Luminance	0.0655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B409B #9B862B

analogous

#2B789B #2B409B #4E2B9B

triadic

#2B409B #9B2B40 #409B2B

tetradic

#2B409B #9B2B78 #9B862B #2B9B4E

square

#2B409B #9B2B78 #9B862B #2B9B4E

split-complementary

#2B409B #9B4E2B #789B2B

monochromatic

#10183B #1E2C6B #2B409B #3B55C9 #6B7FD6

Accessibility & contrast

On white

9.09

#2B409B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2B409B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B409B

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B409B	#FFFFFF	#000000	##FFFFFF
##2B409B	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9E

Deuteranopia (green-blind)

#004399

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b409b;
/* rgb */ color: rgb(43, 64, 155);
/* oklch */ color: oklch(41.2% 0.150 268.9);

Tailwind

colors: {
  custom: {
    50: '#7474b9',
    500: '#2b409b',
    950: '#000000',
  },
}

SCSS

$custom: #2b409b;
$custom-light: #7474b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b409b",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 155
  },
  "hsl": {
    "h": 228.75,
    "s": 56.566,
    "l": 38.824
  },
  "oklch": {
    "l": 0.41224,
    "c": 0.15023,
    "h": 268.9
  },
  "luminance": 0.06547
}

Semantic roles & 50–950 ramp

primary

#2B409B

secondary

#BCAC65

accent

#C348E0

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2B409B

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

Preview Lab → · Contrast checker → · Palette generator →