#2B3EB4#2B3EB4

#2B3EB4 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.1% C 0.186 H 269.4°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#2B3EB4
RGB	rgb(43, 62, 180)
HSL	hsl(232, 61%, 44%)
HSV	hsv(232, 76%, 71%)
CMYK	cmyk(76.1%, 65.6%, 0%, 29.4%)
CIE-LAB	lab(32.38, 34.81, -64.45)
CIE-LCH	lch(32.38, 73.25, 298.37°)
OKLab	oklab(43.09% -0.0019 -0.1864)
OKLCH	oklch(43.09% 0.186 269.4)
XYZ	xyz(10.9543, 7.2529, 43.9938)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3EB4 #B4A12B

analogous

#2B82B4 #2B3EB4 #5C2BB4

triadic

#2B3EB4 #B42B3E #3EB42B

tetradic

#2B3EB4 #B42B82 #B4A12B #2BB45C

square

#2B3EB4 #B42B82 #B4A12B #2BB45C

split-complementary

#2B3EB4 #B45C2B #82B42B

monochromatic

#131C51 #1F2D83 #2B3EB4 #495CD3 #7A88DF

Accessibility & contrast

On white

8.57

#2B3EB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2B3EB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3EB4

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3EB4	#FFFFFF	#000000	##FFFFFF
##2B3EB4	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)

#0053B8

Deuteranopia (green-blind)

#0046B2

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b3eb4;
/* rgb */ color: rgb(43, 62, 180);
/* oklch */ color: oklch(43.1% 0.186 269.4);

Tailwind

colors: {
  custom: {
    50: '#7a73cb',
    500: '#2b3eb4',
    950: '#000000',
  },
}

SCSS

$custom: #2b3eb4;
$custom-light: #7a73cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3eb4",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 180
  },
  "hsl": {
    "h": 231.679,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43088,
    "c": 0.18645,
    "h": 269.4
  },
  "luminance": 0.07254
}

Semantic roles & 50–950 ramp

primary

#2B3EB4

secondary

#C7BC73

accent

#CE43E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2B3EB4

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

Preview Lab → · Contrast checker → · Palette generator →