#2D278B#2D278B

#2D278B is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.3% C 0.159 H 277.2°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#2D278B
RGB	rgb(45, 39, 139)
HSL	hsl(244, 56%, 35%)
HSV	hsv(244, 72%, 55%)
CMYK	cmyk(67.6%, 71.9%, 0%, 45.5%)
CIE-LAB	lab(23.25, 34.96, -54.52)
CIE-LCH	lch(23.25, 64.77, 302.67°)
OKLab	oklab(35.32% 0.0198 -0.1574)
OKLCH	oklch(35.32% 0.159 277.2)
XYZ	xyz(6.4664, 3.8725, 24.8278)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D278B #858B27

analogous

#27538B #2D278B #5F278B

triadic

#2D278B #8B2D27 #278B2D

tetradic

#2D278B #8B2753 #858B27 #278B5F

square

#2D278B #8B2753 #858B27 #278B5F

split-complementary

#2D278B #8B5F27 #538B27

monochromatic

#0E0C2B #1E1A5B #2D278B #3C34BB #625BD1

Accessibility & contrast

On white

11.83

#2D278B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2D278B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D278B

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D278B	#FFFFFF	#000000	##FFFFFF
##2D278B	1.00	11.83	1.77	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8E

Deuteranopia (green-blind)

#003389

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2d278b;
/* rgb */ color: rgb(45, 39, 139);
/* oklch */ color: oklch(35.3% 0.159 277.2);

Tailwind

colors: {
  custom: {
    50: '#7362ae',
    500: '#2d278b',
    950: '#000000',
  },
}

SCSS

$custom: #2d278b;
$custom-light: #7362ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2d278b",
  "rgb": {
    "r": 45,
    "g": 39,
    "b": 139
  },
  "hsl": {
    "h": 243.6,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35317,
    "c": 0.15866,
    "h": 277.2
  },
  "luminance": 0.03873
}

Semantic roles & 50–950 ramp

primary

#2D278B

secondary

#B0B658

accent

#DF48D6

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #2D278B

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

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