#2B3EB8#2B3EB8

#2B3EB8 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.5% C 0.192 H 269.4°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#2B3EB8
RGB	rgb(43, 62, 184)
HSL	hsl(232, 62%, 45%)
HSV	hsv(232, 77%, 72%)
CMYK	cmyk(76.6%, 66.3%, 0%, 27.8%)
CIE-LAB	lab(32.74, 36.26, -66.22)
CIE-LCH	lch(32.74, 75.50, 298.70°)
OKLab	oklab(43.47% -0.0021 -0.1916)
OKLCH	oklch(43.47% 0.192 269.4)
XYZ	xyz(11.3676, 7.4183, 46.1709)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.61

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3EB8 #B8A52B

analogous

#2B85B8 #2B3EB8 #5F2BB8

triadic

#2B3EB8 #B82B3E #3EB82B

tetradic

#2B3EB8 #B82B85 #B8A52B #2BB85F

square

#2B3EB8 #B82B85 #B8A52B #2BB85F

split-complementary

#2B3EB8 #B85F2B #85B82B

monochromatic

#141D55 #1F2D86 #2B3EB8 #4B5ED5 #7D8AE1

Accessibility & contrast

On white

8.45

#2B3EB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2B3EB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3EB8

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3EB8	#FFFFFF	#000000	##FFFFFF
##2B3EB8	1.00	8.45	2.48	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BC

Deuteranopia (green-blind)

#0046B6

Tritanopia (blue-blind)

#005F75

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b3eb8;
/* rgb */ color: rgb(43, 62, 184);
/* oklch */ color: oklch(43.5% 0.192 269.4);

Tailwind

colors: {
  custom: {
    50: '#7b73ce',
    500: '#2b3eb8',
    950: '#000000',
  },
}

SCSS

$custom: #2b3eb8;
$custom-light: #7b73ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3eb8",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 184
  },
  "hsl": {
    "h": 231.915,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.43466,
    "c": 0.19163,
    "h": 269.4
  },
  "luminance": 0.0742
}

Semantic roles & 50–950 ramp

primary

#2B3EB8

secondary

#C9BE76

accent

#CF43E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2B3EB8

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

Preview Lab → · Contrast checker → · Palette generator →