#2815B3#2815B3

#2815B3 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.4% C 0.223 H 272.6°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#2815B3
RGB	rgb(40, 21, 179)
HSL	hsl(247, 79%, 39%)
HSV	hsv(247, 88%, 70%)
CMYK	cmyk(77.7%, 88.3%, 0%, 29.8%)
CIE-LAB	lab(24.45, 55.85, -76.95)
CIE-LCH	lch(24.45, 95.08, 305.97°)
OKLab	oklab(37.4% 0.0103 -0.2224)
OKLCH	oklch(37.4% 0.223 272.6)
XYZ	xyz(9.2772, 4.2411, 42.9688)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2815B3 #A0B315

analogous

#1551B3 #2815B3 #7715B3

triadic

#2815B3 #B32815 #15B328

tetradic

#2815B3 #B31551 #A0B315 #15B377

square

#2815B3 #B31551 #A0B315 #15B377

split-complementary

#2815B3 #B37715 #51B315

monochromatic

#100845 #1C0F7C #2815B3 #3820E5 #6957EB

Accessibility & contrast

On white

11.36

#2815B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2815B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2815B3

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2815B3	#FFFFFF	#000000	##FFFFFF
##2815B3	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041B7

Deuteranopia (green-blind)

#0032B0

Tritanopia (blue-blind)

#004C69

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2815b3;
/* rgb */ color: rgb(40, 21, 179);
/* oklch */ color: oklch(37.4% 0.223 272.6);

Tailwind

colors: {
  custom: {
    50: '#7c5bcb',
    500: '#2815b3',
    950: '#000000',
  },
}

SCSS

$custom: #2815b3;
$custom-light: #7c5bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2815b3",
  "rgb": {
    "r": 40,
    "g": 21,
    "b": 179
  },
  "hsl": {
    "h": 247.215,
    "s": 79,
    "l": 39.216
  },
  "oklch": {
    "l": 0.374,
    "c": 0.22268,
    "h": 272.6
  },
  "luminance": 0.04242
}

Semantic roles & 50–950 ramp

primary

#2815B3

secondary

#C0CE56

accent

#F532DE

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2815B3

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

Preview Lab → · Contrast checker → · Palette generator →