#2B3CB9#2B3CB9

#2B3CB9 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.2% C 0.195 H 269.7°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#2B3CB9
RGB	rgb(43, 60, 185)
HSL	hsl(233, 62%, 45%)
HSV	hsv(233, 77%, 73%)
CMYK	cmyk(76.8%, 67.6%, 0%, 27.5%)
CIE-LAB	lab(32.36, 37.88, -67.43)
CIE-LCH	lch(32.36, 77.34, 299.32°)
OKLab	oklab(43.22% -0.0011 -0.1952)
OKLCH	oklch(43.22% 0.195 269.7)
XYZ	xyz(11.3661, 7.2468, 46.6893)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3CB9 #B9A82B

analogous

#2B83B9 #2B3CB9 #612BB9

triadic

#2B3CB9 #B92B3C #3CB92B

tetradic

#2B3CB9 #B92B83 #B9A82B #2BB961

square

#2B3CB9 #B92B83 #B9A82B #2BB961

split-complementary

#2B3CB9 #B9612B #83B92B

monochromatic

#141C56 #1F2C87 #2B3CB9 #4C5CD5 #7E89E1

Accessibility & contrast

On white

8.57

#2B3CB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2B3CB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3CB9

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3CB9	#FFFFFF	#000000	##FFFFFF
##2B3CB9	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BD

Deuteranopia (green-blind)

#0045B7

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b3cb9;
/* rgb */ color: rgb(43, 60, 185);
/* oklch */ color: oklch(43.2% 0.195 269.7);

Tailwind

colors: {
  custom: {
    50: '#7b72cf',
    500: '#2b3cb9',
    950: '#000000',
  },
}

SCSS

$custom: #2b3cb9;
$custom-light: #7b72cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3cb9",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 185
  },
  "hsl": {
    "h": 232.817,
    "s": 62.281,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43219,
    "c": 0.19517,
    "h": 269.7
  },
  "luminance": 0.07248
}

Semantic roles & 50–950 ramp

primary

#2B3CB9

secondary

#C9BF76

accent

#D242E5

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2B3CB9

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

Preview Lab → · Contrast checker → · Palette generator →