#2843AF#2843AF

#2843AF is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.4% C 0.175 H 267.5°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#2843AF
RGB	rgb(40, 67, 175)
HSL	hsl(228, 63%, 42%)
HSV	hsv(228, 77%, 69%)
CMYK	cmyk(77.1%, 61.7%, 0%, 31.4%)
CIE-LAB	lab(33.05, 29.39, -60.38)
CIE-LCH	lch(33.05, 67.16, 295.95°)
OKLab	oklab(43.41% -0.0075 -0.1745)
OKLCH	oklch(43.41% 0.175 267.5)
XYZ	xyz(10.6174, 7.5594, 41.4487)
Luminance	0.0756 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2843AF #AF9428

analogous

#2887AF #2843AF #5128AF

triadic

#2843AF #AF2843 #43AF28

tetradic

#2843AF #AF2887 #AF9428 #28AF51

square

#2843AF #AF2887 #AF9428 #28AF51

split-complementary

#2843AF #AF5128 #87AF28

monochromatic

#111D4B #1D307D #2843AF #415ED4 #7388DF

Accessibility & contrast

On white

8.36

#2843AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2843AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2843AF

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2843AF	#FFFFFF	#000000	##FFFFFF
##2843AF	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B3

Deuteranopia (green-blind)

#0048AD

Tritanopia (blue-blind)

#005F72

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2843af;
/* rgb */ color: rgb(40, 67, 175);
/* oklch */ color: oklch(43.4% 0.175 267.5);

Tailwind

colors: {
  custom: {
    50: '#7776c8',
    500: '#2843af',
    950: '#000000',
  },
}

SCSS

$custom: #2843af;
$custom-light: #7776c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2843af",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 175
  },
  "hsl": {
    "h": 228,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.4341,
    "c": 0.1747,
    "h": 267.5
  },
  "luminance": 0.07561
}

Semantic roles & 50–950 ramp

primary

#2843AF

secondary

#C6B46D

accent

#C542E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2843AF

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

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