#2841B0#2841B0

#2841B0 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.178 H 268.0°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#2841B0
RGB	rgb(40, 65, 176)
HSL	hsl(229, 63%, 42%)
HSV	hsv(229, 77%, 69%)
CMYK	cmyk(77.3%, 63.1%, 0%, 31%)
CIE-LAB	lab(32.62, 31.08, -61.67)
CIE-LCH	lch(32.62, 69.06, 296.75°)
OKLab	oklab(43.12% -0.0063 -0.1783)
OKLCH	oklch(43.12% 0.178 268)
XYZ	xyz(10.5991, 7.3651, 41.9289)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2841B0 #B09728

analogous

#2885B0 #2841B0 #5328B0

triadic

#2841B0 #B02841 #41B028

tetradic

#2841B0 #B02885 #B09728 #28B053

square

#2841B0 #B02885 #B09728 #28B053

split-complementary

#2841B0 #B05328 #85B028

monochromatic

#111C4C #1D2F7E #2841B0 #415CD4 #7387DF

Accessibility & contrast

On white

8.49

#2841B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2841B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2841B0

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2841B0	#FFFFFF	#000000	##FFFFFF
##2841B0	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B4

Deuteranopia (green-blind)

#0046AE

Tritanopia (blue-blind)

#005E72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2841b0;
/* rgb */ color: rgb(40, 65, 176);
/* oklch */ color: oklch(43.1% 0.178 268.0);

Tailwind

colors: {
  custom: {
    50: '#7875c9',
    500: '#2841b0',
    950: '#000000',
  },
}

SCSS

$custom: #2841b0;
$custom-light: #7875c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2841b0",
  "rgb": {
    "r": 40,
    "g": 65,
    "b": 176
  },
  "hsl": {
    "h": 228.971,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.43123,
    "c": 0.17845,
    "h": 268
  },
  "luminance": 0.07366
}

Semantic roles & 50–950 ramp

primary

#2841B0

secondary

#C6B66D

accent

#C842E6

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2841B0

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

Preview Lab → · Contrast checker → · Palette generator →