#2B3AB7#2B3AB7

#2B3AB7 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.7% C 0.195 H 270.0°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#2B3AB7
RGB	rgb(43, 58, 183)
HSL	hsl(234, 62%, 44%)
HSV	hsv(234, 77%, 72%)
CMYK	cmyk(76.5%, 68.3%, 0%, 28.2%)
CIE-LAB	lab(31.71, 38.41, -67.32)
CIE-LCH	lch(31.71, 77.51, 299.71°)
OKLab	oklab(42.69% 0.0001 -0.1948)
OKLCH	oklch(42.69% 0.195 270)
XYZ	xyz(11.0536, 6.9574, 45.5509)
Luminance	0.0696 (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

#2B3AB7 #B7A82B

analogous

#2B80B7 #2B3AB7 #622BB7

triadic

#2B3AB7 #B72B3A #3AB72B

tetradic

#2B3AB7 #B72B80 #B7A82B #2BB762

square

#2B3AB7 #B72B80 #B7A82B #2BB762

split-complementary

#2B3AB7 #B7622B #80B72B

monochromatic

#141B54 #1F2A85 #2B3AB7 #4B59D5 #7C87E0

Accessibility & contrast

On white

8.78

#2B3AB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2B3AB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3AB7

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3AB7	#FFFFFF	#000000	##FFFFFF
##2B3AB7	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BB

Deuteranopia (green-blind)

#0044B5

Tritanopia (blue-blind)

#005C74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2b3ab7;
/* rgb */ color: rgb(43, 58, 183);
/* oklch */ color: oklch(42.7% 0.195 270.0);

Tailwind

colors: {
  custom: {
    50: '#7b70ce',
    500: '#2b3ab7',
    950: '#000000',
  },
}

SCSS

$custom: #2b3ab7;
$custom-light: #7b70ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3ab7",
  "rgb": {
    "r": 43,
    "g": 58,
    "b": 183
  },
  "hsl": {
    "h": 233.571,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.42687,
    "c": 0.19485,
    "h": 270
  },
  "luminance": 0.06959
}

Semantic roles & 50–950 ramp

primary

#2B3AB7

secondary

#C9C075

accent

#D443E5

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2B3AB7

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

Preview Lab → · Contrast checker → · Palette generator →