#2B3BAE#2B3BAE

#2B3BAE is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.0% C 0.182 H 270.1°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#2B3BAE
RGB	rgb(43, 59, 174)
HSL	hsl(233, 60%, 43%)
HSV	hsv(233, 75%, 68%)
CMYK	cmyk(75.3%, 66.1%, 0%, 31.8%)
CIE-LAB	lab(31.11, 34.55, -62.96)
CIE-LCH	lch(31.11, 71.82, 298.75°)
OKLab	oklab(41.99% 0.0003 -0.1821)
OKLCH	oklch(41.99% 0.182 270.1)
XYZ	xyz(10.1976, 6.6964, 40.7913)
Luminance	0.0670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.34

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3BAE #AE9E2B

analogous

#2B7CAE #2B3BAE #5D2BAE

triadic

#2B3BAE #AE2B3B #3BAE2B

tetradic

#2B3BAE #AE2B7C #AE9E2B #2BAE5D

square

#2B3BAE #AE2B7C #AE9E2B #2BAE5D

split-complementary

#2B3BAE #AE5D2B #7CAE2B

monochromatic

#131A4C #1F2A7D #2B3BAE #4556D1 #7683DD

Accessibility & contrast

On white

8.98

#2B3BAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#2B3BAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3BAE

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3BAE	#FFFFFF	#000000	##FFFFFF
##2B3BAE	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB2

Deuteranopia (green-blind)

#0043AC

Tritanopia (blue-blind)

#005A6F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2b3bae;
/* rgb */ color: rgb(43, 59, 174);
/* oklch */ color: oklch(42.0% 0.182 270.1);

Tailwind

colors: {
  custom: {
    50: '#7971c7',
    500: '#2b3bae',
    950: '#000000',
  },
}

SCSS

$custom: #2b3bae;
$custom-light: #7971c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3bae",
  "rgb": {
    "r": 43,
    "g": 59,
    "b": 174
  },
  "hsl": {
    "h": 232.672,
    "s": 60.369,
    "l": 42.549
  },
  "oklch": {
    "l": 0.41991,
    "c": 0.1821,
    "h": 270.1
  },
  "luminance": 0.06698
}

Semantic roles & 50–950 ramp

primary

#2B3BAE

secondary

#C5BB70

accent

#D044E4

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2B3BAE

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

Preview Lab → · Contrast checker → · Palette generator →