#2827A1#2827A1

#2827A1 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.3% C 0.188 H 272.9°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#2827A1
RGB	rgb(40, 39, 161)
HSL	hsl(240, 61%, 39%)
HSV	hsv(240, 76%, 63%)
CMYK	cmyk(75.2%, 75.8%, 0%, 36.9%)
CIE-LAB	lab(25.18, 41.90, -64.88)
CIE-LCH	lch(25.18, 77.24, 302.85°)
OKLab	oklab(37.29% 0.0094 -0.1878)
OKLCH	oklch(37.29% 0.188 272.9)
XYZ	xyz(8.0315, 4.4745, 34.1517)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2827A1 #A0A127

analogous

#2763A1 #2827A1 #6527A1

triadic

#2827A1 #A12827 #27A128

tetradic

#2827A1 #A12763 #A0A127 #27A165

square

#2827A1 #A12763 #A0A127 #27A165

split-complementary

#2827A1 #A16527 #63A127

monochromatic

#100F3E #1C1B70 #2827A1 #3837CE #6968DA

Accessibility & contrast

On white

11.08

#2827A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2827A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2827A1

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2827A1	#FFFFFF	#000000	##FFFFFF
##2827A1	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A5

Deuteranopia (green-blind)

#00369F

Tritanopia (blue-blind)

#004B62

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2827a1;
/* rgb */ color: rgb(40, 39, 161);
/* oklch */ color: oklch(37.3% 0.188 272.9);

Tailwind

colors: {
  custom: {
    50: '#7663be',
    500: '#2827a1',
    950: '#000000',
  },
}

SCSS

$custom: #2827a1;
$custom-light: #7663be;
$custom-dark: #000000;

JSON

{
  "hex": "#2827a1",
  "rgb": {
    "r": 40,
    "g": 39,
    "b": 161
  },
  "hsl": {
    "h": 240.492,
    "s": 61,
    "l": 39.216
  },
  "oklch": {
    "l": 0.37291,
    "c": 0.18799,
    "h": 272.9
  },
  "luminance": 0.04475
}

Semantic roles & 50–950 ramp

primary

#2827A1

secondary

#C0C063

accent

#E444E3

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2827A1

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

Preview Lab → · Contrast checker → · Palette generator →