#273597#273597

#273597 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.5% C 0.160 H 270.5°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#273597
RGB	rgb(39, 53, 151)
HSL	hsl(233, 59%, 37%)
HSV	hsv(233, 74%, 59%)
CMYK	cmyk(74.2%, 64.9%, 0%, 40.8%)
CIE-LAB	lab(27.33, 29.53, -55.25)
CIE-LCH	lch(27.33, 62.65, 298.12°)
OKLab	oklab(38.53% 0.0014 -0.1597)
OKLCH	oklch(38.53% 0.16 270.5)
XYZ	xyz(7.6938, 5.2111, 29.8725)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273597 #978927

analogous

#276D97 #273597 #512797

triadic

#273597 #972735 #359727

tetradic

#273597 #97276D #978927 #279751

square

#273597 #97276D #978927 #279751

split-complementary

#273597 #975127 #6D9727

monochromatic

#0E1336 #1A2466 #273597 #3446C8 #6271D6

Accessibility & contrast

On white

10.28

#273597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#273597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273597

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273597	#FFFFFF	#000000	##FFFFFF
##273597	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469A

Deuteranopia (green-blind)

#003B95

Tritanopia (blue-blind)

#004F61

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #273597;
/* rgb */ color: rgb(39, 53, 151);
/* oklch */ color: oklch(38.5% 0.160 270.5);

Tailwind

colors: {
  custom: {
    50: '#726cb6',
    500: '#273597',
    950: '#000000',
  },
}

SCSS

$custom: #273597;
$custom-light: #726cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#273597",
  "rgb": {
    "r": 39,
    "g": 53,
    "b": 151
  },
  "hsl": {
    "h": 232.5,
    "s": 58.947,
    "l": 37.255
  },
  "oklch": {
    "l": 0.38525,
    "c": 0.15968,
    "h": 270.5
  },
  "luminance": 0.05212
}

Semantic roles & 50–950 ramp

primary

#273597

secondary

#BCB05E

accent

#CF46E2

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #273597

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

Preview Lab → · Contrast checker → · Palette generator →