#273D71#273D71

#273D71 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.1% C 0.094 H 264.9°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#273D71
RGB	rgb(39, 61, 113)
HSL	hsl(222, 49%, 30%)
HSV	hsv(222, 65%, 44%)
CMYK	cmyk(65.5%, 46%, 0%, 55.7%)
CIE-LAB	lab(26.62, 9.50, -32.68)
CIE-LCH	lch(26.62, 34.04, 286.21°)
OKLab	oklab(37.07% -0.0083 -0.0932)
OKLCH	oklch(37.07% 0.094 264.9)
XYZ	xyz(5.4851, 4.9606, 16.2880)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273D71 #715B27

analogous

#276271 #273D71 #362771

triadic

#273D71 #71273D #3D7127

tetradic

#273D71 #712762 #715B27 #277136

square

#273D71 #712762 #715B27 #277136

split-complementary

#273D71 #713627 #627127

monochromatic

#080C17 #172444 #273D71 #37569E #5072C3

Accessibility & contrast

On white

10.54

#273D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#273D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273D71

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273D71	#FFFFFF	#000000	##FFFFFF
##273D71	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254373

Deuteranopia (green-blind)

#193C70

Tritanopia (blue-blind)

#004951

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #273d71;
/* rgb */ color: rgb(39, 61, 113);
/* oklch */ color: oklch(37.1% 0.094 264.9);

Tailwind

colors: {
  custom: {
    50: '#69729a',
    500: '#273d71',
    950: '#000000',
  },
}

SCSS

$custom: #273d71;
$custom-light: #69729a;
$custom-dark: #000000;

JSON

{
  "hex": "#273d71",
  "rgb": {
    "r": 39,
    "g": 61,
    "b": 113
  },
  "hsl": {
    "h": 222.162,
    "s": 48.684,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37068,
    "c": 0.0936,
    "h": 264.9
  },
  "luminance": 0.04961
}

Semantic roles & 50–950 ramp

primary

#273D71

secondary

#A38B50

accent

#B050D8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #273D71

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

Preview Lab → · Contrast checker → · Palette generator →