#2B3878#2B3878

#2B3878 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.7% C 0.110 H 271.4°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#2B3878
RGB	rgb(43, 56, 120)
HSL	hsl(230, 47%, 32%)
HSV	hsv(230, 64%, 47%)
CMYK	cmyk(64.2%, 53.3%, 0%, 52.9%)
CIE-LAB	lab(25.86, 16.43, -38.34)
CIE-LCH	lch(25.86, 41.72, 293.20°)
OKLab	oklab(36.7% 0.0026 -0.1098)
OKLCH	oklch(36.7% 0.11 271.4)
XYZ	xyz(5.7995, 4.6975, 18.3668)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3878 #786B2B

analogous

#2B5F78 #2B3878 #452B78

triadic

#2B3878 #782B38 #38782B

tetradic

#2B3878 #782B5F #786B2B #2B7845

square

#2B3878 #782B5F #786B2B #2B7845

split-complementary

#2B3878 #78452B #5F782B

monochromatic

#0B0E1E #1B234B #2B3878 #3B4DA5 #5A6CC4

Accessibility & contrast

On white

10.83

#2B3878 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2B3878 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3878

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3878	#FFFFFF	#000000	##FFFFFF
##2B3878	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14417A

Deuteranopia (green-blind)

#003A77

Tritanopia (blue-blind)

#004752

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b3878;
/* rgb */ color: rgb(43, 56, 120);
/* oklch */ color: oklch(36.7% 0.110 271.4);

Tailwind

colors: {
  custom: {
    50: '#6d6e9f',
    500: '#2b3878',
    950: '#000000',
  },
}

SCSS

$custom: #2b3878;
$custom-light: #6d6e9f;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3878",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 120
  },
  "hsl": {
    "h": 229.87,
    "s": 47.239,
    "l": 31.961
  },
  "oklch": {
    "l": 0.36701,
    "c": 0.10988,
    "h": 271.4
  },
  "luminance": 0.04698
}

Semantic roles & 50–950 ramp

primary

#2B3878

secondary

#AA9B55

accent

#C051D7

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2B3878

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

Preview Lab → · Contrast checker → · Palette generator →