#2843AD#2843AD

#2843AD is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.2% C 0.172 H 267.5°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#2843AD
RGB	rgb(40, 67, 173)
HSL	hsl(228, 62%, 42%)
HSV	hsv(228, 77%, 68%)
CMYK	cmyk(76.9%, 61.3%, 0%, 32.2%)
CIE-LAB	lab(32.88, 28.64, -59.47)
CIE-LCH	lch(32.88, 66.00, 295.71°)
OKLab	oklab(43.23% -0.0075 -0.1719)
OKLCH	oklch(43.23% 0.172 267.5)
XYZ	xyz(10.4224, 7.4814, 40.4218)
Luminance	0.0748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2843AD #AD9228

analogous

#2885AD #2843AD #5028AD

triadic

#2843AD #AD2843 #43AD28

tetradic

#2843AD #AD2885 #AD9228 #28AD50

square

#2843AD #AD2885 #AD9228 #28AD50

split-complementary

#2843AD #AD5028 #85AD28

monochromatic

#111C4A #1D307B #2843AD #3F5DD3 #7187DE

Accessibility & contrast

On white

8.41

#2843AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2843AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2843AD

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2843AD	#FFFFFF	#000000	##FFFFFF
##2843AD	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B0

Deuteranopia (green-blind)

#0047AB

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2843ad;
/* rgb */ color: rgb(40, 67, 173);
/* oklch */ color: oklch(43.2% 0.172 267.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#2843ad",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 173
  },
  "hsl": {
    "h": 227.82,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43232,
    "c": 0.17203,
    "h": 267.5
  },
  "luminance": 0.07483
}

Semantic roles & 50–950 ramp

primary

#2843AD

secondary

#C5B36C

accent

#C442E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2843AD

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

Preview Lab → · Contrast checker → · Palette generator →