#2827A4#2827A4

#2827A4 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.6% C 0.192 H 272.6°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#2827A4
RGB	rgb(40, 39, 164)
HSL	hsl(240, 62%, 40%)
HSV	hsv(240, 76%, 64%)
CMYK	cmyk(75.6%, 76.2%, 0%, 35.7%)
CIE-LAB	lab(25.51, 42.91, -66.17)
CIE-LCH	lch(25.51, 78.86, 302.96°)
OKLab	oklab(37.62% 0.0088 -0.1915)
OKLCH	oklch(37.62% 0.192 272.6)
XYZ	xyz(8.2992, 4.5816, 35.5617)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2827A4 #A3A427

analogous

#2765A4 #2827A4 #6727A4

triadic

#2827A4 #A42827 #27A428

tetradic

#2827A4 #A42765 #A3A427 #27A467

square

#2827A4 #A42765 #A3A427 #27A467

split-complementary

#2827A4 #A46727 #65A427

monochromatic

#100F41 #1C1B73 #2827A4 #3A38D0 #6B6ADC

Accessibility & contrast

On white

10.96

#2827A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2827A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2827A4

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2827A4	#FFFFFF	#000000	##FFFFFF
##2827A4	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A8

Deuteranopia (green-blind)

#0036A2

Tritanopia (blue-blind)

#004C64

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2827a4;
/* rgb */ color: rgb(40, 39, 164);
/* oklch */ color: oklch(37.6% 0.192 272.6);

Tailwind

colors: {
  custom: {
    50: '#7763c0',
    500: '#2827a4',
    950: '#000000',
  },
}

SCSS

$custom: #2827a4;
$custom-light: #7763c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2827a4",
  "rgb": {
    "r": 40,
    "g": 39,
    "b": 164
  },
  "hsl": {
    "h": 240.48,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37618,
    "c": 0.19169,
    "h": 272.6
  },
  "luminance": 0.04582
}

Semantic roles & 50–950 ramp

primary

#2827A4

secondary

#C1C265

accent

#E543E3

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2827A4

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

Preview Lab → · Contrast checker → · Palette generator →