#2B3BAC#2B3BAC

#2B3BAC is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.8% C 0.179 H 270.1°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#2B3BAC
RGB	rgb(43, 59, 172)
HSL	hsl(233, 60%, 42%)
HSV	hsv(233, 75%, 67%)
CMYK	cmyk(75%, 65.7%, 0%, 32.5%)
CIE-LAB	lab(30.92, 33.82, -62.06)
CIE-LCH	lch(30.92, 70.68, 298.59°)
OKLab	oklab(41.8% 0.0004 -0.1795)
OKLCH	oklch(41.8% 0.179 270.1)
XYZ	xyz(10.0041, 6.6190, 39.7721)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.55

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3BAC #AC9C2B

analogous

#2B7CAC #2B3BAC #5B2BAC

triadic

#2B3BAC #AC2B3B #3BAC2B

tetradic

#2B3BAC #AC2B7C #AC9C2B #2BAC5B

square

#2B3BAC #AC2B7C #AC9C2B #2BAC5B

split-complementary

#2B3BAC #AC5B2B #7CAC2B

monochromatic

#13194A #1F2A7B #2B3BAC #4455D0 #7582DC

Accessibility & contrast

On white

9.04

#2B3BAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2B3BAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3BAC

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3BAC	#FFFFFF	#000000	##FFFFFF
##2B3BAC	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB0

Deuteranopia (green-blind)

#0043AA

Tritanopia (blue-blind)

#00596E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2b3bac;
/* rgb */ color: rgb(43, 59, 172);
/* oklch */ color: oklch(41.8% 0.179 270.1);

Tailwind

colors: {
  custom: {
    50: '#7871c6',
    500: '#2b3bac',
    950: '#000000',
  },
}

SCSS

$custom: #2b3bac;
$custom-light: #7871c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3bac",
  "rgb": {
    "r": 43,
    "g": 59,
    "b": 172
  },
  "hsl": {
    "h": 232.558,
    "s": 60,
    "l": 42.157
  },
  "oklch": {
    "l": 0.41802,
    "c": 0.17948,
    "h": 270.1
  },
  "luminance": 0.0662
}

Semantic roles & 50–950 ramp

primary

#2B3BAC

secondary

#C4B96F

accent

#CF45E3

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2B3BAC

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

Preview Lab → · Contrast checker → · Palette generator →