#2819B3#2819B3

#2819B3 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.7% C 0.220 H 272.5°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#2819B3
RGB	rgb(40, 25, 179)
HSL	hsl(246, 75%, 40%)
HSV	hsv(246, 86%, 70%)
CMYK	cmyk(77.7%, 86%, 0%, 29.8%)
CIE-LAB	lab(24.95, 54.35, -76.12)
CIE-LCH	lch(24.95, 93.53, 305.53°)
OKLab	oklab(37.74% 0.0095 -0.2201)
OKLCH	oklch(37.74% 0.22 272.5)
XYZ	xyz(9.3567, 4.4000, 42.9953)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2819B3 #A4B319

analogous

#1957B3 #2819B3 #7519B3

triadic

#2819B3 #B32819 #19B328

tetradic

#2819B3 #B31957 #A4B319 #19B375

square

#2819B3 #B31957 #A4B319 #19B375

split-complementary

#2819B3 #B37519 #57B319

monochromatic

#100A48 #1C127D #2819B3 #3A28E1 #6B5EE8

Accessibility & contrast

On white

11.17

#2819B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2819B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2819B3

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2819B3	#FFFFFF	#000000	##FFFFFF
##2819B3	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B7

Deuteranopia (green-blind)

#0034B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2819b3;
/* rgb */ color: rgb(40, 25, 179);
/* oklch */ color: oklch(37.7% 0.220 272.5);

Tailwind

colors: {
  custom: {
    50: '#7c5dcb',
    500: '#2819b3',
    950: '#000000',
  },
}

SCSS

$custom: #2819b3;
$custom-light: #7c5dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2819b3",
  "rgb": {
    "r": 40,
    "g": 25,
    "b": 179
  },
  "hsl": {
    "h": 245.844,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.3774,
    "c": 0.22034,
    "h": 272.5
  },
  "luminance": 0.04401
}

Semantic roles & 50–950 ramp

primary

#2819B3

secondary

#C1CC5B

accent

#F236E0

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2819B3

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

Preview Lab → · Contrast checker → · Palette generator →