#2B4973#2B4973

#2B4973 is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.3% C 0.080 H 257.0°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#2B4973
RGB	rgb(43, 73, 115)
HSL	hsl(215, 46%, 31%)
HSV	hsv(215, 63%, 45%)
CMYK	cmyk(62.6%, 36.5%, 0%, 54.9%)
CIE-LAB	lab(30.68, 2.98, -27.49)
CIE-LCH	lch(30.68, 27.66, 276.18°)
OKLab	oklab(40.31% -0.0179 -0.0778)
OKLCH	oklch(40.31% 0.08 257)
XYZ	xyz(6.4722, 6.5159, 17.1330)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4973 #73552B

analogous

#2B6D73 #2B4973 #312B73

triadic

#2B4973 #732B49 #49732B

tetradic

#2B4973 #732B6D #73552B #2B7331

square

#2B4973 #732B6D #73552B #2B7331

split-complementary

#2B4973 #73312B #6D732B

monochromatic

#0A101A #1A2D46 #2B4973 #3C65A0 #5883C1

Accessibility & contrast

On white

9.12

#2B4973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2B4973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4973

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4973	#FFFFFF	#000000	##FFFFFF
##2B4973	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374C75

Deuteranopia (green-blind)

#2E4572

Tritanopia (blue-blind)

#005258

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b4973;
/* rgb */ color: rgb(43, 73, 115);
/* oklch */ color: oklch(40.3% 0.080 257.0);

Tailwind

colors: {
  custom: {
    50: '#6b7b9b',
    500: '#2b4973',
    950: '#000000',
  },
}

SCSS

$custom: #2b4973;
$custom-light: #6b7b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4973",
  "rgb": {
    "r": 43,
    "g": 73,
    "b": 115
  },
  "hsl": {
    "h": 215,
    "s": 45.57,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40306,
    "c": 0.07985,
    "h": 257
  },
  "luminance": 0.06516
}

Semantic roles & 50–950 ramp

primary

#2B4973

secondary

#A58455

accent

#9F53D5

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #2B4973

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

Preview Lab → · Contrast checker → · Palette generator →