#2827A8#2827A8

#2827A8 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 38.1% C 0.197 H 272.3°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#2827A8
RGB	rgb(40, 39, 168)
HSL	hsl(240, 62%, 41%)
HSV	hsv(240, 77%, 66%)
CMYK	cmyk(76.2%, 76.8%, 0%, 34.1%)
CIE-LAB	lab(25.95, 44.24, -67.86)
CIE-LCH	lch(25.95, 81.01, 303.10°)
OKLab	oklab(38.06% 0.008 -0.1964)
OKLCH	oklch(38.06% 0.197 272.3)
XYZ	xyz(8.6661, 4.7284, 37.4941)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2827A8 #A7A827

analogous

#2766A8 #2827A8 #6827A8

triadic

#2827A8 #A82827 #27A828

tetradic

#2827A8 #A82766 #A7A827 #27A868

square

#2827A8 #A82766 #A7A827 #27A868

split-complementary

#2827A8 #A86827 #66A827

monochromatic

#101045 #1C1B76 #2827A8 #3C3BD1 #6D6CDD

Accessibility & contrast

On white

10.79

#2827A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2827A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2827A8

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2827A8	#FFFFFF	#000000	##FFFFFF
##2827A8	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AC

Deuteranopia (green-blind)

#0037A6

Tritanopia (blue-blind)

#004D66

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2827a8;
/* rgb */ color: rgb(40, 39, 168);
/* oklch */ color: oklch(38.1% 0.197 272.3);

Tailwind

colors: {
  custom: {
    50: '#7863c3',
    500: '#2827a8',
    950: '#000000',
  },
}

SCSS

$custom: #2827a8;
$custom-light: #7863c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2827a8",
  "rgb": {
    "r": 40,
    "g": 39,
    "b": 168
  },
  "hsl": {
    "h": 240.465,
    "s": 62.319,
    "l": 40.588
  },
  "oklch": {
    "l": 0.38057,
    "c": 0.19658,
    "h": 272.3
  },
  "luminance": 0.04729
}

Semantic roles & 50–950 ramp

primary

#2827A8

secondary

#C3C367

accent

#E542E4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2827A8

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

Preview Lab → · Contrast checker → · Palette generator →