#2B3D73#2B3D73

#2B3D73 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.095 H 267.8°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#2B3D73
RGB	rgb(43, 61, 115)
HSL	hsl(225, 46%, 31%)
HSV	hsv(225, 63%, 45%)
CMYK	cmyk(62.6%, 47%, 0%, 54.9%)
CIE-LAB	lab(26.99, 11.10, -33.36)
CIE-LCH	lch(26.99, 35.16, 288.40°)
OKLab	oklab(37.45% -0.0037 -0.0951)
OKLCH	oklch(37.45% 0.095 267.8)
XYZ	xyz(5.7585, 5.0884, 16.8950)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3D73 #73612B

analogous

#2B6173 #2B3D73 #3D2B73

triadic

#2B3D73 #732B3D #3D732B

tetradic

#2B3D73 #732B61 #73612B #2B733D

square

#2B3D73 #732B61 #73612B #2B733D

split-complementary

#2B3D73 #733D2B #61732B

monochromatic

#0A0E1A #1A2546 #2B3D73 #3C55A0 #5872C1

Accessibility & contrast

On white

10.41

#2B3D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2B3D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3D73

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3D73	#FFFFFF	#000000	##FFFFFF
##2B3D73	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244375

Deuteranopia (green-blind)

#193D72

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2b3d73;
/* rgb */ color: rgb(43, 61, 115);
/* oklch */ color: oklch(37.5% 0.095 267.8);

Tailwind

colors: {
  custom: {
    50: '#6b729c',
    500: '#2b3d73',
    950: '#000000',
  },
}

SCSS

$custom: #2b3d73;
$custom-light: #6b729c;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3d73",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 115
  },
  "hsl": {
    "h": 225,
    "s": 45.57,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37451,
    "c": 0.0952,
    "h": 267.8
  },
  "luminance": 0.05089
}

Semantic roles & 50–950 ramp

primary

#2B3D73

secondary

#A59155

accent

#B553D5

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2B3D73

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

Preview Lab → · Contrast checker → · Palette generator →