#2841B2#2841B2

#2841B2 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.3% C 0.181 H 268.0°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#2841B2
RGB	rgb(40, 65, 178)
HSL	hsl(229, 63%, 43%)
HSV	hsv(229, 78%, 70%)
CMYK	cmyk(77.5%, 63.5%, 0%, 30.2%)
CIE-LAB	lab(32.80, 31.82, -62.57)
CIE-LCH	lch(32.80, 70.20, 296.96°)
OKLab	oklab(43.31% -0.0063 -0.181)
OKLCH	oklch(43.31% 0.181 268)
XYZ	xyz(10.7985, 7.4449, 42.9787)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2841B2 #B29928

analogous

#2886B2 #2841B2 #5428B2

triadic

#2841B2 #B22841 #41B228

tetradic

#2841B2 #B22886 #B29928 #28B254

square

#2841B2 #B22886 #B29928 #28B254

split-complementary

#2841B2 #B25428 #86B228

monochromatic

#121D4E #1D2F80 #2841B2 #435DD5 #7588E0

Accessibility & contrast

On white

8.44

#2841B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2841B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2841B2

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2841B2	#FFFFFF	#000000	##FFFFFF
##2841B2	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)

#0054B6

Deuteranopia (green-blind)

#0047B0

Tritanopia (blue-blind)

#005F73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2841b2;
/* rgb */ color: rgb(40, 65, 178);
/* oklch */ color: oklch(43.3% 0.181 268.0);

Tailwind

colors: {
  custom: {
    50: '#7875ca',
    500: '#2841b2',
    950: '#000000',
  },
}

SCSS

$custom: #2841b2;
$custom-light: #7875ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2841b2",
  "rgb": {
    "r": 40,
    "g": 65,
    "b": 178
  },
  "hsl": {
    "h": 229.13,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.43306,
    "c": 0.1811,
    "h": 268
  },
  "luminance": 0.07446
}

Semantic roles & 50–950 ramp

primary

#2841B2

secondary

#C7B76F

accent

#C841E6

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2841B2

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

Preview Lab → · Contrast checker → · Palette generator →