#2815B4#2815B4

#2815B4 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.5% C 0.224 H 272.6°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#2815B4
RGB	rgb(40, 21, 180)
HSL	hsl(247, 79%, 39%)
HSV	hsv(247, 88%, 71%)
CMYK	cmyk(77.8%, 88.3%, 0%, 29.4%)
CIE-LAB	lab(24.58, 56.13, -77.34)
CIE-LCH	lch(24.58, 95.56, 305.97°)
OKLab	oklab(37.52% 0.01 -0.2235)
OKLCH	oklch(37.52% 0.224 272.6)
XYZ	xyz(9.3787, 4.2817, 43.5033)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2815B4 #A1B415

analogous

#1552B4 #2815B4 #7815B4

triadic

#2815B4 #B42815 #15B428

tetradic

#2815B4 #B41552 #A1B415 #15B478

square

#2815B4 #B41552 #A1B415 #15B478

split-complementary

#2815B4 #B47815 #52B415

monochromatic

#100846 #1C0F7D #2815B4 #3921E5 #6A58EC

Accessibility & contrast

On white

11.31

#2815B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2815B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2815B4

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2815B4	#FFFFFF	#000000	##FFFFFF
##2815B4	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)

#0041B8

Deuteranopia (green-blind)

#0033B1

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2815b4;
/* rgb */ color: rgb(40, 21, 180);
/* oklch */ color: oklch(37.5% 0.224 272.6);

Tailwind

colors: {
  custom: {
    50: '#7c5bcc',
    500: '#2815b4',
    950: '#000000',
  },
}

SCSS

$custom: #2815b4;
$custom-light: #7c5bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2815b4",
  "rgb": {
    "r": 40,
    "g": 21,
    "b": 180
  },
  "hsl": {
    "h": 247.17,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.37524,
    "c": 0.22377,
    "h": 272.6
  },
  "luminance": 0.04283
}

Semantic roles & 50–950 ramp

primary

#2815B4

secondary

#C0CF56

accent

#F632DE

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2815B4

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

Preview Lab → · Contrast checker → · Palette generator →