#2B3784#2B3784

#2B3784 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.129 H 272.0°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#2B3784
RGB	rgb(43, 55, 132)
HSL	hsl(232, 51%, 34%)
HSV	hsv(232, 67%, 52%)
CMYK	cmyk(67.4%, 58.3%, 0%, 48.2%)
CIE-LAB	lab(26.48, 21.63, -44.88)
CIE-LCH	lch(26.48, 49.82, 295.74°)
OKLab	oklab(37.46% 0.0044 -0.1291)
OKLCH	oklch(37.46% 0.129 272)
XYZ	xyz(6.5259, 4.9113, 22.4294)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3784 #84782B

analogous

#2B6484 #2B3784 #4C2B84

triadic

#2B3784 #842B37 #37842B

tetradic

#2B3784 #842B64 #84782B #2B844C

square

#2B3784 #842B64 #84782B #2B844C

split-complementary

#2B3784 #844C2B #64842B

monochromatic

#0D1128 #1C2456 #2B3784 #3A4AB2 #5F6DCB

Accessibility & contrast

On white

10.59

#2B3784 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2B3784 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3784

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3784	#FFFFFF	#000000	##FFFFFF
##2B3784	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004387

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#004A58

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b3784;
/* rgb */ color: rgb(43, 55, 132);
/* oklch */ color: oklch(37.5% 0.129 272.0);

Tailwind

colors: {
  custom: {
    50: '#6f6da8',
    500: '#2b3784',
    950: '#000000',
  },
}

SCSS

$custom: #2b3784;
$custom-light: #6f6da8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3784",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 132
  },
  "hsl": {
    "h": 231.91,
    "s": 50.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37459,
    "c": 0.12915,
    "h": 272
  },
  "luminance": 0.04912
}

Semantic roles & 50–950 ramp

primary

#2B3784

secondary

#B1A55A

accent

#C74DDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3784

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

Preview Lab → · Contrast checker → · Palette generator →