#2D3FA8#2D3FA8

#2D3FA8 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.3% C 0.169 H 270.0°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#2D3FA8
RGB	rgb(45, 63, 168)
HSL	hsl(231, 58%, 42%)
HSV	hsv(231, 73%, 66%)
CMYK	cmyk(73.2%, 62.5%, 0%, 34.1%)
CIE-LAB	lab(31.67, 29.99, -58.45)
CIE-LCH	lch(31.67, 65.69, 297.16°)
OKLab	oklab(42.27% 0 -0.1688)
OKLCH	oklch(42.27% 0.169 270)
XYZ	xyz(9.9252, 6.9390, 37.8545)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3FA8 #A8962D

analogous

#2D7CA8 #2D3FA8 #592DA8

triadic

#2D3FA8 #A82D3F #3FA82D

tetradic

#2D3FA8 #A82D7C #A8962D #2DA859

square

#2D3FA8 #A82D7C #A8962D #2DA859

split-complementary

#2D3FA8 #A8592D #7CA82D

monochromatic

#131B47 #202D78 #2D3FA8 #4559CD #7584DA

Accessibility & contrast

On white

8.79

#2D3FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2D3FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3FA8

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3FA8	#FFFFFF	#000000	##FFFFFF
##2D3FA8	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AB

Deuteranopia (green-blind)

#0045A6

Tritanopia (blue-blind)

#005A6D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2d3fa8;
/* rgb */ color: rgb(45, 63, 168);
/* oklch */ color: oklch(42.3% 0.169 270.0);

Tailwind

colors: {
  custom: {
    50: '#7874c3',
    500: '#2d3fa8',
    950: '#000000',
  },
}

SCSS

$custom: #2d3fa8;
$custom-light: #7874c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3fa8",
  "rgb": {
    "r": 45,
    "g": 63,
    "b": 168
  },
  "hsl": {
    "h": 231.22,
    "s": 57.746,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42269,
    "c": 0.1688,
    "h": 270
  },
  "luminance": 0.0694
}

Semantic roles & 50–950 ramp

primary

#2D3FA8

secondary

#C2B66F

accent

#CA47E1

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2D3FA8

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

Preview Lab → · Contrast checker → · Palette generator →