#2827BC#2827BC

#2827BC is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.3% C 0.220 H 271.0°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#2827BC
RGB	rgb(40, 39, 188)
HSL	hsl(240, 66%, 45%)
HSV	hsv(240, 79%, 74%)
CMYK	cmyk(78.7%, 79.3%, 0%, 26.3%)
CIE-LAB	lab(28.20, 50.72, -76.09)
CIE-LCH	lch(28.20, 91.44, 303.69°)
OKLab	oklab(40.3% 0.004 -0.2203)
OKLCH	oklch(40.3% 0.22 271)
XYZ	xyz(10.6746, 5.5318, 48.0724)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2827BC #BBBC27

analogous

#2770BC #2827BC #7327BC

triadic

#2827BC #BC2827 #27BC28

tetradic

#2827BC #BC2770 #BBBC27 #27BC73

square

#2827BC #BC2770 #BBBC27 #27BC73

split-complementary

#2827BC #BC7327 #70BC27

monochromatic

#121257 #1D1C89 #2827BC #4847D9 #7B7AE3

Accessibility & contrast

On white

9.97

#2827BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2827BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2827BC

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2827BC	#FFFFFF	#000000	##FFFFFF
##2827BC	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AC0

Deuteranopia (green-blind)

#003BB9

Tritanopia (blue-blind)

#005572

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2827bc;
/* rgb */ color: rgb(40, 39, 188);
/* oklch */ color: oklch(40.3% 0.220 271.0);

Tailwind

colors: {
  custom: {
    50: '#7d64d2',
    500: '#2827bc',
    950: '#000000',
  },
}

SCSS

$custom: #2827bc;
$custom-light: #7d64d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2827bc",
  "rgb": {
    "r": 40,
    "g": 39,
    "b": 188
  },
  "hsl": {
    "h": 240.403,
    "s": 65.639,
    "l": 44.51
  },
  "oklch": {
    "l": 0.40297,
    "c": 0.22032,
    "h": 271
  },
  "luminance": 0.05533
}

Semantic roles & 50–950 ramp

primary

#2827BC

secondary

#CBCB73

accent

#E93FE7

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #2827BC

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

Preview Lab → · Contrast checker → · Palette generator →