#2827AA#2827AA

#2827AA is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.3% C 0.199 H 272.2°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#2827AA
RGB	rgb(40, 39, 170)
HSL	hsl(240, 63%, 41%)
HSV	hsv(240, 77%, 67%)
CMYK	cmyk(76.5%, 77.1%, 0%, 33.3%)
CIE-LAB	lab(26.17, 44.90, -68.70)
CIE-LCH	lch(26.17, 82.07, 303.17°)
OKLab	oklab(38.28% 0.0076 -0.1989)
OKLCH	oklch(38.28% 0.199 272.2)
XYZ	xyz(8.8538, 4.8035, 38.4830)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2827AA #A9AA27

analogous

#2767AA #2827AA #6927AA

triadic

#2827AA #AA2827 #27AA28

tetradic

#2827AA #AA2767 #A9AA27 #27AA69

square

#2827AA #AA2767 #A9AA27 #27AA69

split-complementary

#2827AA #AA6927 #67AA27

monochromatic

#111046 #1C1C78 #2827AA #3D3CD2 #6F6EDE

Accessibility & contrast

On white

10.71

#2827AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2827AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2827AA

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2827AA	#FFFFFF	#000000	##FFFFFF
##2827AA	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AE

Deuteranopia (green-blind)

#0037A8

Tritanopia (blue-blind)

#004E67

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2827aa;
/* rgb */ color: rgb(40, 39, 170);
/* oklch */ color: oklch(38.3% 0.199 272.2);

Tailwind

colors: {
  custom: {
    50: '#7963c5',
    500: '#2827aa',
    950: '#000000',
  },
}

SCSS

$custom: #2827aa;
$custom-light: #7963c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2827aa",
  "rgb": {
    "r": 40,
    "g": 39,
    "b": 170
  },
  "hsl": {
    "h": 240.458,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.38278,
    "c": 0.199,
    "h": 272.2
  },
  "luminance": 0.04804
}

Semantic roles & 50–950 ramp

primary

#2827AA

secondary

#C4C469

accent

#E642E4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2827AA

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

Preview Lab → · Contrast checker → · Palette generator →