#2B278B#2B278B

#2B278B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.2% C 0.159 H 276.2°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#2B278B
RGB	rgb(43, 39, 139)
HSL	hsl(242, 56%, 35%)
HSV	hsv(242, 72%, 55%)
CMYK	cmyk(69.1%, 71.9%, 0%, 45.5%)
CIE-LAB	lab(23.09, 34.70, -54.77)
CIE-LCH	lch(23.09, 64.84, 302.35°)
OKLab	oklab(35.17% 0.0171 -0.1582)
OKLCH	oklch(35.17% 0.159 276.2)
XYZ	xyz(6.3805, 3.8281, 24.8238)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B278B #878B27

analogous

#27558B #2B278B #5D278B

triadic

#2B278B #8B2B27 #278B2B

tetradic

#2B278B #8B2755 #878B27 #278B5D

square

#2B278B #8B2755 #878B27 #278B5D

split-complementary

#2B278B #8B5D27 #558B27

monochromatic

#0D0C2B #1C1A5B #2B278B #3A34BB #605BD1

Accessibility & contrast

On white

11.89

#2B278B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2B278B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B278B

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B278B	#FFFFFF	#000000	##FFFFFF
##2B278B	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8E

Deuteranopia (green-blind)

#003389

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b278b;
/* rgb */ color: rgb(43, 39, 139);
/* oklch */ color: oklch(35.2% 0.159 276.2);

Tailwind

colors: {
  custom: {
    50: '#7262ae',
    500: '#2b278b',
    950: '#000000',
  },
}

SCSS

$custom: #2b278b;
$custom-light: #7262ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2b278b",
  "rgb": {
    "r": 43,
    "g": 39,
    "b": 139
  },
  "hsl": {
    "h": 242.4,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35171,
    "c": 0.15913,
    "h": 276.2
  },
  "luminance": 0.03829
}

Semantic roles & 50–950 ramp

primary

#2B278B

secondary

#B2B658

accent

#DF48D9

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #2B278B

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

Preview Lab → · Contrast checker → · Palette generator →