#2B278C#2B278C

#2B278C is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.3% C 0.160 H 276.1°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#2B278C
RGB	rgb(43, 39, 140)
HSL	hsl(242, 56%, 35%)
HSV	hsv(242, 72%, 55%)
CMYK	cmyk(69.3%, 72.1%, 0%, 45.1%)
CIE-LAB	lab(23.19, 35.04, -55.23)
CIE-LCH	lch(23.19, 65.41, 302.39°)
OKLab	oklab(35.27% 0.017 -0.1595)
OKLCH	oklch(35.27% 0.16 276.1)
XYZ	xyz(6.4539, 3.8575, 25.2103)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B278C #888C27

analogous

#27568C #2B278C #5D278C

triadic

#2B278C #8C2B27 #278C2B

tetradic

#2B278C #8C2756 #888C27 #278C5D

square

#2B278C #8C2756 #888C27 #278C5D

split-complementary

#2B278C #8C5D27 #568C27

monochromatic

#0E0C2C #1C1A5C #2B278C #3A34BC #615CD2

Accessibility & contrast

On white

11.85

#2B278C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2B278C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B278C

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B278C	#FFFFFF	#000000	##FFFFFF
##2B278C	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8F

Deuteranopia (green-blind)

#00338A

Tritanopia (blue-blind)

#004356

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b278c;
/* rgb */ color: rgb(43, 39, 140);
/* oklch */ color: oklch(35.3% 0.160 276.1);

Tailwind

colors: {
  custom: {
    50: '#7362af',
    500: '#2b278c',
    950: '#000000',
  },
}

SCSS

$custom: #2b278c;
$custom-light: #7362af;
$custom-dark: #000000;

JSON

{
  "hex": "#2b278c",
  "rgb": {
    "r": 43,
    "g": 39,
    "b": 140
  },
  "hsl": {
    "h": 242.376,
    "s": 56.425,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35273,
    "c": 0.16045,
    "h": 276.1
  },
  "luminance": 0.03858
}

Semantic roles & 50–950 ramp

primary

#2B278C

secondary

#B3B758

accent

#E048DA

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#090510

muted

#7B797F

Preview Lab

Preview with #2B278C

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

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