#2D3571#2D3571

#2D3571 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.6% C 0.103 H 274.3°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#2D3571
RGB	rgb(45, 53, 113)
HSL	hsl(233, 43%, 31%)
HSV	hsv(233, 60%, 44%)
CMYK	cmyk(60.2%, 53.1%, 0%, 55.7%)
CIE-LAB	lab(24.63, 16.33, -35.86)
CIE-LCH	lch(24.63, 39.40, 294.48°)
OKLab	oklab(35.65% 0.0076 -0.1025)
OKLCH	oklch(35.65% 0.103 274.3)
XYZ	xyz(5.3350, 4.2960, 16.1677)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3571 #71692D

analogous

#2D5771 #2D3571 #472D71

triadic

#2D3571 #712D35 #35712D

tetradic

#2D3571 #712D57 #71692D #2D7147

square

#2D3571 #712D57 #71692D #2D7147

split-complementary

#2D3571 #71472D #57712D

monochromatic

#0A0C19 #1C2045 #2D3571 #3E4A9D #5B66BE

Accessibility & contrast

On white

11.30

#2D3571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2D3571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3571

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3571	#FFFFFF	#000000	##FFFFFF
##2D3571	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153D73

Deuteranopia (green-blind)

#093870

Tritanopia (blue-blind)

#02434D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2d3571;
/* rgb */ color: rgb(45, 53, 113);
/* oklch */ color: oklch(35.6% 0.103 274.3);

Tailwind

colors: {
  custom: {
    50: '#6d6c9a',
    500: '#2d3571',
    950: '#000000',
  },
}

SCSS

$custom: #2d3571;
$custom-light: #6d6c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3571",
  "rgb": {
    "r": 45,
    "g": 53,
    "b": 113
  },
  "hsl": {
    "h": 232.941,
    "s": 43.038,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35649,
    "c": 0.10281,
    "h": 274.3
  },
  "luminance": 0.04296
}

Semantic roles & 50–950 ramp

primary

#2D3571

secondary

#A39A57

accent

#C455D3

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2D3571

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

Preview Lab → · Contrast checker → · Palette generator →