#273E72#273E72

#273E72 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.094 H 264.4°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#273E72
RGB	rgb(39, 62, 114)
HSL	hsl(222, 49%, 30%)
HSV	hsv(222, 66%, 45%)
CMYK	cmyk(65.8%, 45.6%, 0%, 55.3%)
CIE-LAB	lab(26.99, 9.20, -32.73)
CIE-LCH	lch(26.99, 33.99, 285.69°)
OKLab	oklab(37.37% -0.0092 -0.0933)
OKLCH	oklch(37.37% 0.094 264.4)
XYZ	xyz(5.5955, 5.0910, 16.6041)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E72 #725B27

analogous

#276472 #273E72 #352772

triadic

#273E72 #72273E #3E7227

tetradic

#273E72 #722764 #725B27 #277235

square

#273E72 #722764 #725B27 #277235

split-complementary

#273E72 #723527 #647227

monochromatic

#080C17 #172544 #273E72 #3757A0 #5073C3

Accessibility & contrast

On white

10.41

#273E72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#273E72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E72

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E72	#FFFFFF	#000000	##FFFFFF
##273E72	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)

#264374

Deuteranopia (green-blind)

#1A3D71

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #273e72;
/* rgb */ color: rgb(39, 62, 114);
/* oklch */ color: oklch(37.4% 0.094 264.4);

Tailwind

colors: {
  custom: {
    50: '#69729b',
    500: '#273e72',
    950: '#000000',
  },
}

SCSS

$custom: #273e72;
$custom-light: #69729b;
$custom-dark: #000000;

JSON

{
  "hex": "#273e72",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 114
  },
  "hsl": {
    "h": 221.6,
    "s": 49.02,
    "l": 30
  },
  "oklch": {
    "l": 0.37374,
    "c": 0.09379,
    "h": 264.4
  },
  "luminance": 0.05091
}

Semantic roles & 50–950 ramp

primary

#273E72

secondary

#A48B50

accent

#AE4FD9

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #273E72

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

Preview Lab → · Contrast checker → · Palette generator →