#2B4E73#2B4E73

#2B4E73 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.5% C 0.074 H 251.2°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#2B4E73
RGB	rgb(43, 78, 115)
HSL	hsl(211, 46%, 31%)
HSV	hsv(211, 63%, 45%)
CMYK	cmyk(62.6%, 32.2%, 0%, 54.9%)
CIE-LAB	lab(32.26, -0.29, -25.01)
CIE-LCH	lch(32.26, 25.01, 269.33°)
OKLab	oklab(41.54% -0.0239 -0.0705)
OKLCH	oklch(41.54% 0.074 251.2)
XYZ	xyz(6.8140, 7.1996, 17.2469)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4E73 #73502B

analogous

#2B7273 #2B4E73 #2C2B73

triadic

#2B4E73 #732B4E #4E732B

tetradic

#2B4E73 #732B72 #73502B #2B732C

square

#2B4E73 #732B72 #73502B #2B732C

split-complementary

#2B4E73 #732C2B #72732B

monochromatic

#0A121A #1A3046 #2B4E73 #3C6CA0 #588BC1

Accessibility & contrast

On white

8.61

#2B4E73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2B4E73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4E73

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4E73	#FFFFFF	#000000	##FFFFFF
##2B4E73	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5075

Deuteranopia (green-blind)

#354972

Tritanopia (blue-blind)

#00575B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b4e73;
/* rgb */ color: rgb(43, 78, 115);
/* oklch */ color: oklch(41.5% 0.074 251.2);

Tailwind

colors: {
  custom: {
    50: '#6b7f9b',
    500: '#2b4e73',
    950: '#000000',
  },
}

SCSS

$custom: #2b4e73;
$custom-light: #6b7f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4e73",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 115
  },
  "hsl": {
    "h": 210.833,
    "s": 45.57,
    "l": 30.98
  },
  "oklch": {
    "l": 0.41541,
    "c": 0.07449,
    "h": 251.2
  },
  "luminance": 0.072
}

Semantic roles & 50–950 ramp

primary

#2B4E73

secondary

#A57E55

accent

#9653D5

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #2B4E73

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

Preview Lab → · Contrast checker → · Palette generator →