#273C72#273C72

#273C72 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.9% C 0.096 H 265.9°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#273C72
RGB	rgb(39, 60, 114)
HSL	hsl(223, 49%, 30%)
HSV	hsv(223, 66%, 45%)
CMYK	cmyk(65.8%, 47.4%, 0%, 55.3%)
CIE-LAB	lab(26.38, 10.58, -33.70)
CIE-LCH	lch(26.38, 35.32, 287.43°)
OKLab	oklab(36.91% -0.0069 -0.0962)
OKLCH	oklch(36.91% 0.096 265.9)
XYZ	xyz(5.4888, 4.8775, 16.5685)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273C72 #725D27

analogous

#276272 #273C72 #372772

triadic

#273C72 #72273C #3C7227

tetradic

#273C72 #722762 #725D27 #277237

square

#273C72 #722762 #725D27 #277237

split-complementary

#273C72 #723727 #627227

monochromatic

#080C17 #172444 #273C72 #3754A0 #5070C3

Accessibility & contrast

On white

10.63

#273C72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#273C72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273C72

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273C72	#FFFFFF	#000000	##FFFFFF
##273C72	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)

#224274

Deuteranopia (green-blind)

#163B71

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #273c72;
/* rgb */ color: rgb(39, 60, 114);
/* oklch */ color: oklch(36.9% 0.096 265.9);

Tailwind

colors: {
  custom: {
    50: '#69719b',
    500: '#273c72',
    950: '#000000',
  },
}

SCSS

$custom: #273c72;
$custom-light: #69719b;
$custom-dark: #000000;

JSON

{
  "hex": "#273c72",
  "rgb": {
    "r": 39,
    "g": 60,
    "b": 114
  },
  "hsl": {
    "h": 223.2,
    "s": 49.02,
    "l": 30
  },
  "oklch": {
    "l": 0.36906,
    "c": 0.09649,
    "h": 265.9
  },
  "luminance": 0.04878
}

Semantic roles & 50–950 ramp

primary

#273C72

secondary

#A48D50

accent

#B24FD9

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #273C72

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

Preview Lab → · Contrast checker → · Palette generator →