#2843AC#2843AC

#2843AC is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.171 H 267.5°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#2843AC
RGB	rgb(40, 67, 172)
HSL	hsl(228, 62%, 42%)
HSV	hsv(228, 77%, 67%)
CMYK	cmyk(76.7%, 61%, 0%, 32.5%)
CIE-LAB	lab(32.79, 28.26, -59.01)
CIE-LCH	lch(32.79, 65.43, 295.59°)
OKLab	oklab(43.14% -0.0075 -0.1705)
OKLCH	oklch(43.14% 0.171 267.5)
XYZ	xyz(10.3260, 7.4428, 39.9141)
Luminance	0.0744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2843AC #AC9128

analogous

#2885AC #2843AC #4F28AC

triadic

#2843AC #AC2843 #43AC28

tetradic

#2843AC #AC2885 #AC9128 #28AC4F

square

#2843AC #AC2885 #AC9128 #28AC4F

split-complementary

#2843AC #AC4F28 #85AC28

monochromatic

#111C49 #1C307A #2843AC #3F5DD2 #7187DE

Accessibility & contrast

On white

8.44

#2843AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2843AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2843AC

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2843AC	#FFFFFF	#000000	##FFFFFF
##2843AC	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AF

Deuteranopia (green-blind)

#0047AA

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2843ac;
/* rgb */ color: rgb(40, 67, 172);
/* oklch */ color: oklch(43.1% 0.171 267.5);

Tailwind

colors: {
  custom: {
    50: '#7776c6',
    500: '#2843ac',
    950: '#000000',
  },
}

SCSS

$custom: #2843ac;
$custom-light: #7776c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2843ac",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 172
  },
  "hsl": {
    "h": 227.727,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.43144,
    "c": 0.17068,
    "h": 267.5
  },
  "luminance": 0.07444
}

Semantic roles & 50–950 ramp

primary

#2843AC

secondary

#C5B26B

accent

#C442E5

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2843AC

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

Preview Lab → · Contrast checker → · Palette generator →