#2D3CB3#2D3CB3

#2D3CB3 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.7% C 0.187 H 270.4°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#2D3CB3
RGB	rgb(45, 60, 179)
HSL	hsl(233, 60%, 44%)
HSV	hsv(233, 75%, 70%)
CMYK	cmyk(74.9%, 66.5%, 0%, 29.8%)
CIE-LAB	lab(31.90, 35.93, -64.63)
CIE-LCH	lch(31.90, 73.94, 299.07°)
OKLab	oklab(42.74% 0.0014 -0.1869)
OKLCH	oklch(42.74% 0.187 270.4)
XYZ	xyz(10.8320, 7.0431, 43.4277)
Luminance	0.0704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3CB3 #B3A42D

analogous

#2D7FB3 #2D3CB3 #612DB3

triadic

#2D3CB3 #B32D3C #3CB32D

tetradic

#2D3CB3 #B32D7F #B3A42D #2DB361

square

#2D3CB3 #B32D7F #B3A42D #2DB361

split-complementary

#2D3CB3 #B3612D #7FB32D

monochromatic

#141B51 #212C82 #2D3CB3 #4B5AD2 #7C87DE

Accessibility & contrast

On white

8.72

#2D3CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2D3CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3CB3

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3CB3	#FFFFFF	#000000	##FFFFFF
##2D3CB3	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B7

Deuteranopia (green-blind)

#0045B1

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2d3cb3;
/* rgb */ color: rgb(45, 60, 179);
/* oklch */ color: oklch(42.7% 0.187 270.4);

Tailwind

colors: {
  custom: {
    50: '#7b72cb',
    500: '#2d3cb3',
    950: '#000000',
  },
}

SCSS

$custom: #2d3cb3;
$custom-light: #7b72cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3cb3",
  "rgb": {
    "r": 45,
    "g": 60,
    "b": 179
  },
  "hsl": {
    "h": 233.284,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.42743,
    "c": 0.18692,
    "h": 270.4
  },
  "luminance": 0.07044
}

Semantic roles & 50–950 ramp

primary

#2D3CB3

secondary

#C7BD75

accent

#D145E3

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2D3CB3

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

Preview Lab → · Contrast checker → · Palette generator →