#273E73#273E73

#273E73 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.095 H 264.6°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#273E73
RGB	rgb(39, 62, 115)
HSL	hsl(222, 49%, 30%)
HSV	hsv(222, 66%, 45%)
CMYK	cmyk(66.1%, 46.1%, 0%, 54.9%)
CIE-LAB	lab(27.06, 9.58, -33.26)
CIE-LCH	lch(27.06, 34.61, 286.07°)
OKLab	oklab(37.44% -0.009 -0.0949)
OKLCH	oklch(37.44% 0.095 264.6)
XYZ	xyz(5.6528, 5.1139, 16.9055)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E73 #735C27

analogous

#276473 #273E73 #362773

triadic

#273E73 #73273E #3E7327

tetradic

#273E73 #732764 #735C27 #277336

square

#273E73 #732764 #735C27 #277336

split-complementary

#273E73 #733627 #647327

monochromatic

#080D18 #182545 #273E73 #3657A1 #5173C4

Accessibility & contrast

On white

10.38

#273E73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#273E73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E73

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E73	#FFFFFF	#000000	##FFFFFF
##273E73	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254475

Deuteranopia (green-blind)

#193D72

Tritanopia (blue-blind)

#004A53

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #273e73;
/* rgb */ color: rgb(39, 62, 115);
/* oklch */ color: oklch(37.4% 0.095 264.6);

Tailwind

colors: {
  custom: {
    50: '#69729c',
    500: '#273e73',
    950: '#000000',
  },
}

SCSS

$custom: #273e73;
$custom-light: #69729c;
$custom-dark: #000000;

JSON

{
  "hex": "#273e73",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 115
  },
  "hsl": {
    "h": 221.842,
    "s": 49.351,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37444,
    "c": 0.09534,
    "h": 264.6
  },
  "luminance": 0.05114
}

Semantic roles & 50–950 ramp

primary

#273E73

secondary

#A58C50

accent

#AF4FD9

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #273E73

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

Preview Lab → · Contrast checker → · Palette generator →