#2816B3#2816B3

#2816B3 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.5% C 0.222 H 272.6°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#2816B3
RGB	rgb(40, 22, 179)
HSL	hsl(247, 78%, 39%)
HSV	hsv(247, 88%, 70%)
CMYK	cmyk(77.7%, 87.7%, 0%, 29.8%)
CIE-LAB	lab(24.57, 55.49, -76.75)
CIE-LCH	lch(24.57, 94.71, 305.86°)
OKLab	oklab(37.48% 0.0101 -0.2219)
OKLCH	oklch(37.48% 0.222 272.6)
XYZ	xyz(9.2959, 4.2786, 42.9750)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2816B3 #A1B316

analogous

#1653B3 #2816B3 #7716B3

triadic

#2816B3 #B32816 #16B328

tetradic

#2816B3 #B31653 #A1B316 #16B377

square

#2816B3 #B31653 #A1B316 #16B377

split-complementary

#2816B3 #B37716 #53B316

monochromatic

#100946 #1C0F7C #2816B3 #3922E4 #6A59EB

Accessibility & contrast

On white

11.31

#2816B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2816B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2816B3

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2816B3	#FFFFFF	#000000	##FFFFFF
##2816B3	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041B7

Deuteranopia (green-blind)

#0033B0

Tritanopia (blue-blind)

#004C69

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2816b3;
/* rgb */ color: rgb(40, 22, 179);
/* oklch */ color: oklch(37.5% 0.222 272.6);

Tailwind

colors: {
  custom: {
    50: '#7c5bcb',
    500: '#2816b3',
    950: '#000000',
  },
}

SCSS

$custom: #2816b3;
$custom-light: #7c5bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2816b3",
  "rgb": {
    "r": 40,
    "g": 22,
    "b": 179
  },
  "hsl": {
    "h": 246.879,
    "s": 78.109,
    "l": 39.412
  },
  "oklch": {
    "l": 0.37481,
    "c": 0.22212,
    "h": 272.6
  },
  "luminance": 0.0428
}

Semantic roles & 50–950 ramp

primary

#2816B3

secondary

#C0CE57

accent

#F533DE

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2816B3

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

Preview Lab → · Contrast checker → · Palette generator →