#2821AF#2821AF

#2821AF is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 38.1% C 0.210 H 272.3°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#2821AF
RGB	rgb(40, 33, 175)
HSL	hsl(243, 68%, 41%)
HSV	hsv(243, 81%, 69%)
CMYK	cmyk(77.1%, 81.1%, 0%, 31.4%)
CIE-LAB	lab(25.66, 49.61, -72.55)
CIE-LCH	lch(25.66, 87.89, 304.37°)
OKLab	oklab(38.09% 0.0086 -0.2099)
OKLCH	oklch(38.09% 0.21 272.3)
XYZ	xyz(9.1542, 4.6330, 40.9609)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2821AF #A8AF21

analogous

#2161AF #2821AF #6F21AF

triadic

#2821AF #AF2821 #21AF28

tetradic

#2821AF #AF2161 #A8AF21 #21AF6F

square

#2821AF #AF2161 #A8AF21 #21AF6F

split-complementary

#2821AF #AF6F21 #61AF21

monochromatic

#100E48 #1C177C #2821AF #3D34D9 #6E68E3

Accessibility & contrast

On white

10.90

#2821AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2821AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2821AF

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2821AF	#FFFFFF	#000000	##FFFFFF
##2821AF	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B3

Deuteranopia (green-blind)

#0036AD

Tritanopia (blue-blind)

#004E69

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2821af;
/* rgb */ color: rgb(40, 33, 175);
/* oklch */ color: oklch(38.1% 0.210 272.3);

Tailwind

colors: {
  custom: {
    50: '#7a60c8',
    500: '#2821af',
    950: '#000000',
  },
}

SCSS

$custom: #2821af;
$custom-light: #7a60c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2821af",
  "rgb": {
    "r": 40,
    "g": 33,
    "b": 175
  },
  "hsl": {
    "h": 242.958,
    "s": 68.269,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38091,
    "c": 0.2101,
    "h": 272.3
  },
  "luminance": 0.04634
}

Semantic roles & 50–950 ramp

primary

#2821AF

secondary

#C3C864

accent

#EB3DE3

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2821AF

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

Preview Lab → · Contrast checker → · Palette generator →