#2B3B9E#2B3B9E

#2B3B9E is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.161 H 270.4°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#2B3B9E
RGB	rgb(43, 59, 158)
HSL	hsl(232, 57%, 39%)
HSV	hsv(232, 73%, 62%)
CMYK	cmyk(72.8%, 62.7%, 0%, 38%)
CIE-LAB	lab(29.69, 28.67, -55.65)
CIE-LCH	lch(29.69, 62.60, 297.25°)
OKLab	oklab(40.51% 0.0011 -0.1607)
OKLCH	oklch(40.51% 0.161 270.4)
XYZ	xyz(8.7297, 6.1093, 33.0603)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3B9E #9E8E2B

analogous

#2B759E #2B3B9E #552B9E

triadic

#2B3B9E #9E2B3B #3B9E2B

tetradic

#2B3B9E #9E2B75 #9E8E2B #2B9E55

square

#2B3B9E #9E2B75 #9E8E2B #2B9E55

split-complementary

#2B3B9E #9E552B #759E2B

monochromatic

#11173E #1E296E #2B3B9E #3C50CA #6C7BD7

Accessibility & contrast

On white

9.45

#2B3B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2B3B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3B9E

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3B9E	#FFFFFF	#000000	##FFFFFF
##2B3B9E	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA1

Deuteranopia (green-blind)

#00419C

Tritanopia (blue-blind)

#005467

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b3b9e;
/* rgb */ color: rgb(43, 59, 158);
/* oklch */ color: oklch(40.5% 0.161 270.4);

Tailwind

colors: {
  custom: {
    50: '#7570bc',
    500: '#2b3b9e',
    950: '#000000',
  },
}

SCSS

$custom: #2b3b9e;
$custom-light: #7570bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3b9e",
  "rgb": {
    "r": 43,
    "g": 59,
    "b": 158
  },
  "hsl": {
    "h": 231.652,
    "s": 57.214,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40511,
    "c": 0.1607,
    "h": 270.4
  },
  "luminance": 0.0611
}

Semantic roles & 50–950 ramp

primary

#2B3B9E

secondary

#BEB267

accent

#CB47E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B3B9E

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

Preview Lab → · Contrast checker → · Palette generator →