#2B3AAE#2B3AAE

#2B3AAE is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.8% C 0.183 H 270.3°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#2B3AAE
RGB	rgb(43, 58, 174)
HSL	hsl(233, 60%, 43%)
HSV	hsv(233, 75%, 68%)
CMYK	cmyk(75.3%, 66.7%, 0%, 31.8%)
CIE-LAB	lab(30.87, 35.18, -63.36)
CIE-LCH	lch(30.87, 72.47, 299.05°)
OKLab	oklab(41.82% 0.0009 -0.1833)
OKLCH	oklch(41.82% 0.183 270.3)
XYZ	xyz(10.1467, 6.5946, 40.7743)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.30

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3AAE #AE9F2B

analogous

#2B7BAE #2B3AAE #5E2BAE

triadic

#2B3AAE #AE2B3A #3AAE2B

tetradic

#2B3AAE #AE2B7B #AE9F2B #2BAE5E

square

#2B3AAE #AE2B7B #AE9F2B #2BAE5E

split-complementary

#2B3AAE #AE5E2B #7BAE2B

monochromatic

#13194C #1F2A7D #2B3AAE #4555D1 #7682DD

Accessibility & contrast

On white

9.05

#2B3AAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2B3AAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3AAE

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3AAE	#FFFFFF	#000000	##FFFFFF
##2B3AAE	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB2

Deuteranopia (green-blind)

#0042AC

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2b3aae;
/* rgb */ color: rgb(43, 58, 174);
/* oklch */ color: oklch(41.8% 0.183 270.3);

Tailwind

colors: {
  custom: {
    50: '#7970c7',
    500: '#2b3aae',
    950: '#000000',
  },
}

SCSS

$custom: #2b3aae;
$custom-light: #7970c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3aae",
  "rgb": {
    "r": 43,
    "g": 58,
    "b": 174
  },
  "hsl": {
    "h": 233.13,
    "s": 60.369,
    "l": 42.549
  },
  "oklch": {
    "l": 0.41816,
    "c": 0.18326,
    "h": 270.3
  },
  "luminance": 0.06596
}

Semantic roles & 50–950 ramp

primary

#2B3AAE

secondary

#C5BB70

accent

#D144E4

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2B3AAE

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

Preview Lab → · Contrast checker → · Palette generator →