#2838AB#2838AB

#2838AB is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.0% C 0.182 H 269.8°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#2838AB
RGB	rgb(40, 56, 171)
HSL	hsl(233, 62%, 41%)
HSV	hsv(233, 77%, 67%)
CMYK	cmyk(76.6%, 67.3%, 0%, 32.9%)
CIE-LAB	lab(29.96, 35.06, -63.06)
CIE-LCH	lch(29.96, 72.15, 299.08°)
OKLab	oklab(41.03% -0.0007 -0.1825)
OKLCH	oklch(41.03% 0.182 269.8)
XYZ	xyz(9.6374, 6.2187, 39.2126)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.80

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2838AB #AB9B28

analogous

#287AAB #2838AB #5A28AB

triadic

#2838AB #AB2838 #38AB28

tetradic

#2838AB #AB287A #AB9B28 #28AB5A

square

#2838AB #AB287A #AB9B28 #28AB5A

split-complementary

#2838AB #AB5A28 #7AAB28

monochromatic

#111848 #1C2879 #2838AB #3E50D2 #707DDE

Accessibility & contrast

On white

9.36

#2838AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2838AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2838AB

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2838AB	#FFFFFF	#000000	##FFFFFF
##2838AB	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAF

Deuteranopia (green-blind)

#0040A9

Tritanopia (blue-blind)

#00576C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2838ab;
/* rgb */ color: rgb(40, 56, 171);
/* oklch */ color: oklch(41.0% 0.182 269.8);

Tailwind

colors: {
  custom: {
    50: '#776fc5',
    500: '#2838ab',
    950: '#000000',
  },
}

SCSS

$custom: #2838ab;
$custom-light: #776fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#2838ab",
  "rgb": {
    "r": 40,
    "g": 56,
    "b": 171
  },
  "hsl": {
    "h": 232.672,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41028,
    "c": 0.18246,
    "h": 269.8
  },
  "luminance": 0.0622
}

Semantic roles & 50–950 ramp

primary

#2838AB

secondary

#C4B96A

accent

#D143E5

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2838AB

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

Preview Lab → · Contrast checker → · Palette generator →