#273E75#273E75

#273E75 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.6% C 0.098 H 265.0°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#273E75
RGB	rgb(39, 62, 117)
HSL	hsl(222, 50%, 31%)
HSV	hsv(222, 67%, 46%)
CMYK	cmyk(66.7%, 47%, 0%, 54.1%)
CIE-LAB	lab(27.19, 10.35, -34.32)
CIE-LCH	lch(27.19, 35.84, 286.78°)
OKLab	oklab(37.59% -0.0086 -0.098)
OKLCH	oklch(37.59% 0.098 265)
XYZ	xyz(5.7691, 5.1604, 17.5182)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E75 #755E27

analogous

#276575 #273E75 #372775

triadic

#273E75 #75273E #3E7527

tetradic

#273E75 #752765 #755E27 #277537

square

#273E75 #752765 #755E27 #277537

split-complementary

#273E75 #753727 #657527

monochromatic

#080D19 #182647 #273E75 #3656A3 #5173C5

Accessibility & contrast

On white

10.33

#273E75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#273E75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E75

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E75	#FFFFFF	#000000	##FFFFFF
##273E75	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244477

Deuteranopia (green-blind)

#173D74

Tritanopia (blue-blind)

#004B53

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #273e75;
/* rgb */ color: rgb(39, 62, 117);
/* oklch */ color: oklch(37.6% 0.098 265.0);

Tailwind

colors: {
  custom: {
    50: '#6a729d',
    500: '#273e75',
    950: '#000000',
  },
}

SCSS

$custom: #273e75;
$custom-light: #6a729d;
$custom-dark: #000000;

JSON

{
  "hex": "#273e75",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 117
  },
  "hsl": {
    "h": 222.308,
    "s": 50,
    "l": 30.588
  },
  "oklch": {
    "l": 0.37586,
    "c": 0.0984,
    "h": 265
  },
  "luminance": 0.05161
}

Semantic roles & 50–950 ramp

primary

#273E75

secondary

#A78E51

accent

#B04EDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #273E75

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

Preview Lab → · Contrast checker → · Palette generator →