#2D3771#2D3771

#2D3771 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.1% C 0.100 H 273.0°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#2D3771
RGB	rgb(45, 55, 113)
HSL	hsl(231, 43%, 31%)
HSV	hsv(231, 60%, 44%)
CMYK	cmyk(60.2%, 51.3%, 0%, 55.7%)
CIE-LAB	lab(25.21, 14.94, -34.93)
CIE-LCH	lch(25.21, 37.99, 293.15°)
OKLab	oklab(36.09% 0.0053 -0.0998)
OKLCH	oklch(36.09% 0.1 273)
XYZ	xyz(5.4280, 4.4821, 16.1987)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3771 #71672D

analogous

#2D5971 #2D3771 #452D71

triadic

#2D3771 #712D37 #37712D

tetradic

#2D3771 #712D59 #71672D #2D7145

square

#2D3771 #712D59 #71672D #2D7145

split-complementary

#2D3771 #71452D #59712D

monochromatic

#0A0C19 #1C2245 #2D3771 #3E4C9D #5B69BE

Accessibility & contrast

On white

11.07

#2D3771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2D3771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3771

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3771	#FFFFFF	#000000	##FFFFFF
##2D3771	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3F73

Deuteranopia (green-blind)

#0F3970

Tritanopia (blue-blind)

#02444E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2d3771;
/* rgb */ color: rgb(45, 55, 113);
/* oklch */ color: oklch(36.1% 0.100 273.0);

Tailwind

colors: {
  custom: {
    50: '#6c6d9a',
    500: '#2d3771',
    950: '#000000',
  },
}

SCSS

$custom: #2d3771;
$custom-light: #6c6d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3771",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 113
  },
  "hsl": {
    "h": 231.176,
    "s": 43.038,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36087,
    "c": 0.09991,
    "h": 273
  },
  "luminance": 0.04483
}

Semantic roles & 50–950 ramp

primary

#2D3771

secondary

#A39757

accent

#C055D3

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2D3771

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

Preview Lab → · Contrast checker → · Palette generator →