#2827A3#2827A3

#2827A3 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.5% C 0.190 H 272.7°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#2827A3
RGB	rgb(40, 39, 163)
HSL	hsl(240, 61%, 40%)
HSV	hsv(240, 76%, 64%)
CMYK	cmyk(75.5%, 76.1%, 0%, 36.1%)
CIE-LAB	lab(25.40, 42.57, -65.74)
CIE-LCH	lch(25.40, 78.32, 302.93°)
OKLab	oklab(37.51% 0.009 -0.1902)
OKLCH	oklch(37.51% 0.19 272.7)
XYZ	xyz(8.2092, 4.5456, 35.0880)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2827A3 #A2A327

analogous

#2764A3 #2827A3 #6627A3

triadic

#2827A3 #A32827 #27A328

tetradic

#2827A3 #A32764 #A2A327 #27A366

square

#2827A3 #A32764 #A2A327 #27A366

split-complementary

#2827A3 #A36627 #64A327

monochromatic

#100F40 #1C1B72 #2827A3 #3938CF #6A69DB

Accessibility & contrast

On white

11.00

#2827A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2827A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2827A3

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2827A3	#FFFFFF	#000000	##FFFFFF
##2827A3	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A7

Deuteranopia (green-blind)

#0036A1

Tritanopia (blue-blind)

#004B63

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2827a3;
/* rgb */ color: rgb(40, 39, 163);
/* oklch */ color: oklch(37.5% 0.190 272.7);

Tailwind

colors: {
  custom: {
    50: '#7763c0',
    500: '#2827a3',
    950: '#000000',
  },
}

SCSS

$custom: #2827a3;
$custom-light: #7763c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2827a3",
  "rgb": {
    "r": 40,
    "g": 39,
    "b": 163
  },
  "hsl": {
    "h": 240.484,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37509,
    "c": 0.19046,
    "h": 272.7
  },
  "luminance": 0.04546
}

Semantic roles & 50–950 ramp

primary

#2827A3

secondary

#C1C164

accent

#E443E3

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2827A3

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

Preview Lab → · Contrast checker → · Palette generator →