#2B3BA4#2B3BA4

#2B3BA4 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.1% C 0.169 H 270.3°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#2B3BA4
RGB	rgb(43, 59, 164)
HSL	hsl(232, 58%, 41%)
HSV	hsv(232, 74%, 64%)
CMYK	cmyk(73.8%, 64%, 0%, 35.7%)
CIE-LAB	lab(30.21, 30.89, -58.43)
CIE-LCH	lch(30.21, 66.09, 297.86°)
OKLab	oklab(41.06% 0.0009 -0.1688)
OKLCH	oklch(41.06% 0.169 270.3)
XYZ	xyz(9.2588, 6.3209, 35.8469)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3BA4 #A4942B

analogous

#2B77A4 #2B3BA4 #572BA4

triadic

#2B3BA4 #A42B3B #3BA42B

tetradic

#2B3BA4 #A42B77 #A4942B #2BA457

square

#2B3BA4 #A42B77 #A4942B #2BA457

split-complementary

#2B3BA4 #A4572B #77A42B

monochromatic

#121843 #1E2A74 #2B3BA4 #3F52CD #707ED9

Accessibility & contrast

On white

9.27

#2B3BA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2B3BA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3BA4

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3BA4	#FFFFFF	#000000	##FFFFFF
##2B3BA4	1.00	9.27	2.26	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA7

Deuteranopia (green-blind)

#0042A2

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b3ba4;
/* rgb */ color: rgb(43, 59, 164);
/* oklch */ color: oklch(41.1% 0.169 270.3);

Tailwind

colors: {
  custom: {
    50: '#7671c0',
    500: '#2b3ba4',
    950: '#000000',
  },
}

SCSS

$custom: #2b3ba4;
$custom-light: #7671c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3ba4",
  "rgb": {
    "r": 43,
    "g": 59,
    "b": 164
  },
  "hsl": {
    "h": 232.066,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.41057,
    "c": 0.16884,
    "h": 270.3
  },
  "luminance": 0.06322
}

Semantic roles & 50–950 ramp

primary

#2B3BA4

secondary

#C1B56A

accent

#CD46E2

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B3BA4

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

Preview Lab → · Contrast checker → · Palette generator →