#2D278E#2D278E

#2D278E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.6% C 0.163 H 276.8°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#2D278E
RGB	rgb(45, 39, 142)
HSL	hsl(243, 57%, 35%)
HSV	hsv(243, 73%, 56%)
CMYK	cmyk(68.3%, 72.5%, 0%, 44.3%)
CIE-LAB	lab(23.54, 35.98, -55.90)
CIE-LCH	lch(23.54, 66.48, 302.77°)
OKLab	oklab(35.62% 0.0193 -0.1614)
OKLCH	oklch(35.62% 0.163 276.8)
XYZ	xyz(6.6886, 3.9613, 25.9981)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D278E #888E27

analogous

#27548E #2D278E #60278E

triadic

#2D278E #8E2D27 #278E2D

tetradic

#2D278E #8E2754 #888E27 #278E60

square

#2D278E #8E2754 #888E27 #278E60

split-complementary

#2D278E #8E6027 #548E27

monochromatic

#0F0D2E #1E1A5E #2D278E #3C34BE #645DD2

Accessibility & contrast

On white

11.72

#2D278E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#2D278E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D278E

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D278E	#FFFFFF	#000000	##FFFFFF
##2D278E	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C91

Deuteranopia (green-blind)

#00348C

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2d278e;
/* rgb */ color: rgb(45, 39, 142);
/* oklch */ color: oklch(35.6% 0.163 276.8);

Tailwind

colors: {
  custom: {
    50: '#7462b0',
    500: '#2d278e',
    950: '#000000',
  },
}

SCSS

$custom: #2d278e;
$custom-light: #7462b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d278e",
  "rgb": {
    "r": 45,
    "g": 39,
    "b": 142
  },
  "hsl": {
    "h": 243.495,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35621,
    "c": 0.16259,
    "h": 276.8
  },
  "luminance": 0.03962
}

Semantic roles & 50–950 ramp

primary

#2D278E

secondary

#B2B859

accent

#E048D7

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #2D278E

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

Preview Lab → · Contrast checker → · Palette generator →