#2827A7#2827A7

#2827A7 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.9% C 0.195 H 272.4°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#2827A7
RGB	rgb(40, 39, 167)
HSL	hsl(240, 62%, 40%)
HSV	hsv(240, 77%, 65%)
CMYK	cmyk(76%, 76.6%, 0%, 34.5%)
CIE-LAB	lab(25.84, 43.91, -67.44)
CIE-LCH	lch(25.84, 80.47, 303.07°)
OKLab	oklab(37.95% 0.0082 -0.1952)
OKLCH	oklch(37.95% 0.195 272.4)
XYZ	xyz(8.5733, 4.6913, 37.0054)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2827A7 #A6A727

analogous

#2766A7 #2827A7 #6827A7

triadic

#2827A7 #A72827 #27A728

tetradic

#2827A7 #A72766 #A6A727 #27A768

square

#2827A7 #A72766 #A6A727 #27A768

split-complementary

#2827A7 #A76827 #66A727

monochromatic

#101044 #1C1B75 #2827A7 #3B3AD1 #6D6CDD

Accessibility & contrast

On white

10.83

#2827A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2827A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2827A7

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2827A7	#FFFFFF	#000000	##FFFFFF
##2827A7	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AB

Deuteranopia (green-blind)

#0037A5

Tritanopia (blue-blind)

#004D66

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2827a7;
/* rgb */ color: rgb(40, 39, 167);
/* oklch */ color: oklch(37.9% 0.195 272.4);

Tailwind

colors: {
  custom: {
    50: '#7863c2',
    500: '#2827a7',
    950: '#000000',
  },
}

SCSS

$custom: #2827a7;
$custom-light: #7863c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2827a7",
  "rgb": {
    "r": 40,
    "g": 39,
    "b": 167
  },
  "hsl": {
    "h": 240.469,
    "s": 62.136,
    "l": 40.392
  },
  "oklch": {
    "l": 0.37947,
    "c": 0.19536,
    "h": 272.4
  },
  "luminance": 0.04692
}

Semantic roles & 50–950 ramp

primary

#2827A7

secondary

#C2C367

accent

#E543E4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0513

muted

#7C7A82

Preview Lab

Preview with #2827A7

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

Preview Lab → · Contrast checker → · Palette generator →