#2D3B71#2D3B71

#2D3B71 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.0% C 0.094 H 270.3°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#2D3B71
RGB	rgb(45, 59, 113)
HSL	hsl(228, 43%, 31%)
HSV	hsv(228, 60%, 44%)
CMYK	cmyk(60.2%, 47.8%, 0%, 55.7%)
CIE-LAB	lab(26.38, 12.17, -33.04)
CIE-LCH	lch(26.38, 35.21, 290.22°)
OKLab	oklab(36.98% 0.0005 -0.0942)
OKLCH	oklch(36.98% 0.094 270.3)
XYZ	xyz(5.6258, 4.8776, 16.2646)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3B71 #71632D

analogous

#2D5D71 #2D3B71 #412D71

triadic

#2D3B71 #712D3B #3B712D

tetradic

#2D3B71 #712D5D #71632D #2D7141

square

#2D3B71 #712D5D #71632D #2D7141

split-complementary

#2D3B71 #71412D #5D712D

monochromatic

#0A0D19 #1C2445 #2D3B71 #3E529D #5B6FBE

Accessibility & contrast

On white

10.63

#2D3B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2D3B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3B71

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3B71	#FFFFFF	#000000	##FFFFFF
##2D3B71	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224273

Deuteranopia (green-blind)

#193C70

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2d3b71;
/* rgb */ color: rgb(45, 59, 113);
/* oklch */ color: oklch(37.0% 0.094 270.3);

Tailwind

colors: {
  custom: {
    50: '#6c709a',
    500: '#2d3b71',
    950: '#000000',
  },
}

SCSS

$custom: #2d3b71;
$custom-light: #6c709a;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3b71",
  "rgb": {
    "r": 45,
    "g": 59,
    "b": 113
  },
  "hsl": {
    "h": 227.647,
    "s": 43.038,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36983,
    "c": 0.09418,
    "h": 270.3
  },
  "luminance": 0.04878
}

Semantic roles & 50–950 ramp

primary

#2D3B71

secondary

#A39357

accent

#B955D3

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2D3B71

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

Preview Lab → · Contrast checker → · Palette generator →