#2843AB#2843AB

#2843AB is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.169 H 267.4°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#2843AB
RGB	rgb(40, 67, 171)
HSL	hsl(228, 62%, 41%)
HSV	hsv(228, 77%, 67%)
CMYK	cmyk(76.6%, 60.8%, 0%, 32.9%)
CIE-LAB	lab(32.71, 27.88, -58.55)
CIE-LCH	lch(32.71, 64.85, 295.46°)
OKLab	oklab(43.06% -0.0075 -0.1692)
OKLCH	oklch(43.06% 0.169 267.4)
XYZ	xyz(10.2304, 7.4046, 39.4102)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2843AB #AB9028

analogous

#2885AB #2843AB #4F28AB

triadic

#2843AB #AB2843 #43AB28

tetradic

#2843AB #AB2885 #AB9028 #28AB4F

square

#2843AB #AB2885 #AB9028 #28AB4F

split-complementary

#2843AB #AB4F28 #85AB28

monochromatic

#111C48 #1C3079 #2843AB #3E5DD2 #7086DE

Accessibility & contrast

On white

8.46

#2843AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2843AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2843AB

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2843AB	#FFFFFF	#000000	##FFFFFF
##2843AB	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AE

Deuteranopia (green-blind)

#0047A9

Tritanopia (blue-blind)

#005D70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2843ab;
/* rgb */ color: rgb(40, 67, 171);
/* oklch */ color: oklch(43.1% 0.169 267.4);

Tailwind

colors: {
  custom: {
    50: '#7676c5',
    500: '#2843ab',
    950: '#000000',
  },
}

SCSS

$custom: #2843ab;
$custom-light: #7676c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2843ab",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 171
  },
  "hsl": {
    "h": 227.634,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.43055,
    "c": 0.16933,
    "h": 267.4
  },
  "luminance": 0.07406
}

Semantic roles & 50–950 ramp

primary

#2843AB

secondary

#C4B26A

accent

#C443E5

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2843AB

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

Preview Lab → · Contrast checker → · Palette generator →