#2B3CA3#2B3CA3

#2B3CA3 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.166 H 270.1°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#2B3CA3
RGB	rgb(43, 60, 163)
HSL	hsl(232, 58%, 40%)
HSV	hsv(232, 74%, 64%)
CMYK	cmyk(73.6%, 63.2%, 0%, 36.1%)
CIE-LAB	lab(30.37, 29.86, -57.56)
CIE-LCH	lch(30.37, 64.84, 297.42°)
OKLab	oklab(41.15% 0.0002 -0.1663)
OKLCH	oklch(41.15% 0.166 270.1)
XYZ	xyz(9.2207, 6.3887, 35.3904)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3CA3 #A3922B

analogous

#2B78A3 #2B3CA3 #562BA3

triadic

#2B3CA3 #A32B3C #3CA32B

tetradic

#2B3CA3 #A32B78 #A3922B #2BA356

square

#2B3CA3 #A32B78 #A3922B #2BA356

split-complementary

#2B3CA3 #A3562B #78A32B

monochromatic

#111842 #1E2A73 #2B3CA3 #3F53CC #6F7ED9

Accessibility & contrast

On white

9.22

#2B3CA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2B3CA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3CA3

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3CA3	#FFFFFF	#000000	##FFFFFF
##2B3CA3	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA6

Deuteranopia (green-blind)

#0042A1

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b3ca3;
/* rgb */ color: rgb(43, 60, 163);
/* oklch */ color: oklch(41.2% 0.166 270.1);

Tailwind

colors: {
  custom: {
    50: '#7671bf',
    500: '#2b3ca3',
    950: '#000000',
  },
}

SCSS

$custom: #2b3ca3;
$custom-light: #7671bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3ca3",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 163
  },
  "hsl": {
    "h": 231.5,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.41152,
    "c": 0.16627,
    "h": 270.1
  },
  "luminance": 0.0639
}

Semantic roles & 50–950 ramp

primary

#2B3CA3

secondary

#C0B46A

accent

#CB46E1

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B3CA3

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

Preview Lab → · Contrast checker → · Palette generator →