#2B3BA3#2B3BA3

#2B3BA3 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.0% C 0.167 H 270.3°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#2B3BA3
RGB	rgb(43, 59, 163)
HSL	hsl(232, 58%, 40%)
HSV	hsv(232, 74%, 64%)
CMYK	cmyk(73.6%, 63.8%, 0%, 36.1%)
CIE-LAB	lab(30.12, 30.52, -57.97)
CIE-LCH	lch(30.12, 65.51, 297.76°)
OKLab	oklab(40.97% 0.0009 -0.1675)
OKLCH	oklch(40.97% 0.167 270.3)
XYZ	xyz(9.1688, 6.2849, 35.3731)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3BA3 #A3932B

analogous

#2B77A3 #2B3BA3 #572BA3

triadic

#2B3BA3 #A32B3B #3BA32B

tetradic

#2B3BA3 #A32B77 #A3932B #2BA357

square

#2B3BA3 #A32B77 #A3932B #2BA357

split-complementary

#2B3BA3 #A3572B #77A32B

monochromatic

#111842 #1E2973 #2B3BA3 #3F52CC #6F7DD9

Accessibility & contrast

On white

9.30

#2B3BA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2B3BA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3BA3

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3BA3	#FFFFFF	#000000	##FFFFFF
##2B3BA3	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA6

Deuteranopia (green-blind)

#0041A1

Tritanopia (blue-blind)

#005669

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b3ba3;
/* rgb */ color: rgb(43, 59, 163);
/* oklch */ color: oklch(41.0% 0.167 270.3);

Tailwind

colors: {
  custom: {
    50: '#7671bf',
    500: '#2b3ba3',
    950: '#000000',
  },
}

SCSS

$custom: #2b3ba3;
$custom-light: #7671bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3ba3",
  "rgb": {
    "r": 43,
    "g": 59,
    "b": 163
  },
  "hsl": {
    "h": 232,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.40966,
    "c": 0.16749,
    "h": 270.3
  },
  "luminance": 0.06286
}

Semantic roles & 50–950 ramp

primary

#2B3BA3

secondary

#C0B56A

accent

#CD46E1

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B3BA3

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

Preview Lab → · Contrast checker → · Palette generator →