#2B409C#2B409C

#2B409C is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.3% C 0.152 H 268.9°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#2B409C
RGB	rgb(43, 64, 156)
HSL	hsl(229, 57%, 39%)
HSV	hsv(229, 72%, 61%)
CMYK	cmyk(72.4%, 59%, 0%, 38.8%)
CIE-LAB	lab(30.83, 24.58, -52.58)
CIE-LCH	lch(30.83, 58.04, 295.06°)
OKLab	oklab(41.31% -0.0028 -0.1516)
OKLCH	oklch(41.31% 0.152 268.9)
XYZ	xyz(8.8283, 6.5798, 32.2508)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B409C #9C872B

analogous

#2B799C #2B409C #4F2B9C

triadic

#2B409C #9C2B40 #409C2B

tetradic

#2B409C #9C2B79 #9C872B #2B9C4F

square

#2B409C #9C2B79 #9C872B #2B9C4F

split-complementary

#2B409C #9C4F2B #799C2B

monochromatic

#11193C #1E2C6C #2B409C #3B56C9 #6B7FD6

Accessibility & contrast

On white

9.07

#2B409C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2B409C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B409C

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B409C	#FFFFFF	#000000	##FFFFFF
##2B409C	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9F

Deuteranopia (green-blind)

#00449A

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2b409c;
/* rgb */ color: rgb(43, 64, 156);
/* oklch */ color: oklch(41.3% 0.152 268.9);

Tailwind

colors: {
  custom: {
    50: '#7474ba',
    500: '#2b409c',
    950: '#000000',
  },
}

SCSS

$custom: #2b409c;
$custom-light: #7474ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b409c",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 156
  },
  "hsl": {
    "h": 228.85,
    "s": 56.784,
    "l": 39.02
  },
  "oklch": {
    "l": 0.41309,
    "c": 0.15163,
    "h": 268.9
  },
  "luminance": 0.06581
}

Semantic roles & 50–950 ramp

primary

#2B409C

secondary

#BDAD66

accent

#C448E0

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2B409C

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

Preview Lab → · Contrast checker → · Palette generator →