#2D3F78#2D3F78

#2D3F78 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.4% C 0.099 H 268.3°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#2D3F78
RGB	rgb(45, 63, 120)
HSL	hsl(226, 45%, 32%)
HSV	hsv(226, 63%, 47%)
CMYK	cmyk(62.5%, 47.5%, 0%, 52.9%)
CIE-LAB	lab(28.03, 12.02, -34.84)
CIE-LCH	lch(28.03, 36.86, 289.03°)
OKLab	oklab(38.39% -0.003 -0.0994)
OKLCH	oklch(38.39% 0.099 268.3)
XYZ	xyz(6.2487, 5.4685, 18.4919)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3F78 #78662D

analogous

#2D6578 #2D3F78 #402D78

triadic

#2D3F78 #782D3F #3F782D

tetradic

#2D3F78 #782D65 #78662D #2D7840

square

#2D3F78 #782D65 #78662D #2D7840

split-complementary

#2D3F78 #78402D #65782D

monochromatic

#0C101F #1C284B #2D3F78 #3E56A5 #5D75C2

Accessibility & contrast

On white

10.03

#2D3F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2D3F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3F78

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3F78	#FFFFFF	#000000	##FFFFFF
##2D3F78	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24467A

Deuteranopia (green-blind)

#193F77

Tritanopia (blue-blind)

#004C55

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2d3f78;
/* rgb */ color: rgb(45, 63, 120);
/* oklch */ color: oklch(38.4% 0.099 268.3);

Tailwind

colors: {
  custom: {
    50: '#6d739f',
    500: '#2d3f78',
    950: '#000000',
  },
}

SCSS

$custom: #2d3f78;
$custom-light: #6d739f;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3f78",
  "rgb": {
    "r": 45,
    "g": 63,
    "b": 120
  },
  "hsl": {
    "h": 225.6,
    "s": 45.455,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38388,
    "c": 0.09946,
    "h": 268.3
  },
  "luminance": 0.05469
}

Semantic roles & 50–950 ramp

primary

#2D3F78

secondary

#A99558

accent

#B653D5

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #2D3F78

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

Preview Lab → · Contrast checker → · Palette generator →