#2D3FB3#2D3FB3

#2D3FB3 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.3% C 0.183 H 269.9°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#2D3FB3
RGB	rgb(45, 63, 179)
HSL	hsl(232, 60%, 44%)
HSV	hsv(232, 75%, 70%)
CMYK	cmyk(74.9%, 64.8%, 0%, 29.8%)
CIE-LAB	lab(32.63, 34.02, -63.44)
CIE-LCH	lch(32.63, 71.99, 298.20°)
OKLab	oklab(43.27% -0.0005 -0.1834)
OKLCH	oklch(43.27% 0.183 269.9)
XYZ	xyz(10.9936, 7.3664, 43.4816)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3FB3 #B3A12D

analogous

#2D82B3 #2D3FB3 #5E2DB3

triadic

#2D3FB3 #B32D3F #3FB32D

tetradic

#2D3FB3 #B32D82 #B3A12D #2DB35E

square

#2D3FB3 #B32D82 #B3A12D #2DB35E

split-complementary

#2D3FB3 #B35E2D #82B32D

monochromatic

#141D51 #212E82 #2D3FB3 #4B5DD2 #7C89DE

Accessibility & contrast

On white

8.49

#2D3FB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2D3FB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3FB3

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3FB3	#FFFFFF	#000000	##FFFFFF
##2D3FB3	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B7

Deuteranopia (green-blind)

#0047B1

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2d3fb3;
/* rgb */ color: rgb(45, 63, 179);
/* oklch */ color: oklch(43.3% 0.183 269.9);

Tailwind

colors: {
  custom: {
    50: '#7a74cb',
    500: '#2d3fb3',
    950: '#000000',
  },
}

SCSS

$custom: #2d3fb3;
$custom-light: #7a74cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3fb3",
  "rgb": {
    "r": 45,
    "g": 63,
    "b": 179
  },
  "hsl": {
    "h": 231.94,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.43271,
    "c": 0.18344,
    "h": 269.9
  },
  "luminance": 0.07368
}

Semantic roles & 50–950 ramp

primary

#2D3FB3

secondary

#C7BC75

accent

#CE45E3

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2D3FB3

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

Preview Lab → · Contrast checker → · Palette generator →