#2D3FA9#2D3FA9

#2D3FA9 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.4% C 0.170 H 270.0°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#2D3FA9
RGB	rgb(45, 63, 169)
HSL	hsl(231, 58%, 42%)
HSV	hsv(231, 73%, 66%)
CMYK	cmyk(73.4%, 62.7%, 0%, 33.7%)
CIE-LAB	lab(31.75, 30.36, -58.91)
CIE-LCH	lch(31.75, 66.27, 297.26°)
OKLab	oklab(42.36% -0.0001 -0.1701)
OKLCH	oklch(42.36% 0.17 270)
XYZ	xyz(10.0187, 6.9764, 38.3470)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3FA9 #A9972D

analogous

#2D7DA9 #2D3FA9 #592DA9

triadic

#2D3FA9 #A92D3F #3FA92D

tetradic

#2D3FA9 #A92D7D #A9972D #2DA959

square

#2D3FA9 #A92D7D #A9972D #2DA959

split-complementary

#2D3FA9 #A9592D #7DA92D

monochromatic

#131B48 #202D79 #2D3FA9 #4659CE #7685DA

Accessibility & contrast

On white

8.77

#2D3FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#2D3FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3FA9

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3FA9	#FFFFFF	#000000	##FFFFFF
##2D3FA9	1.00	8.77	2.40	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AC

Deuteranopia (green-blind)

#0045A7

Tritanopia (blue-blind)

#005A6E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2d3fa9;
/* rgb */ color: rgb(45, 63, 169);
/* oklch */ color: oklch(42.4% 0.170 270.0);

Tailwind

colors: {
  custom: {
    50: '#7874c3',
    500: '#2d3fa9',
    950: '#000000',
  },
}

SCSS

$custom: #2d3fa9;
$custom-light: #7874c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3fa9",
  "rgb": {
    "r": 45,
    "g": 63,
    "b": 169
  },
  "hsl": {
    "h": 231.29,
    "s": 57.944,
    "l": 41.961
  },
  "oklch": {
    "l": 0.42359,
    "c": 0.17015,
    "h": 270
  },
  "luminance": 0.06977
}

Semantic roles & 50–950 ramp

primary

#2D3FA9

secondary

#C2B66F

accent

#CB47E1

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2D3FA9

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

Preview Lab → · Contrast checker → · Palette generator →