#273797#273797

#273797 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.9% C 0.157 H 270.0°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#273797
RGB	rgb(39, 55, 151)
HSL	hsl(231, 59%, 37%)
HSV	hsv(231, 74%, 59%)
CMYK	cmyk(74.2%, 63.6%, 0%, 40.8%)
CIE-LAB	lab(27.84, 28.20, -54.42)
CIE-LCH	lch(27.84, 61.29, 297.40°)
OKLab	oklab(38.9% 0 -0.1572)
OKLCH	oklch(38.9% 0.157 270)
XYZ	xyz(7.7869, 5.3973, 29.9035)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273797 #978727

analogous

#276F97 #273797 #4F2797

triadic

#273797 #972737 #379727

tetradic

#273797 #97276F #978727 #27974F

square

#273797 #97276F #978727 #27974F

split-complementary

#273797 #974F27 #6F9727

monochromatic

#0E1436 #1A2566 #273797 #3449C8 #6273D6

Accessibility & contrast

On white

10.10

#273797 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#273797 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273797

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273797	#FFFFFF	#000000	##FFFFFF
##273797	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479A

Deuteranopia (green-blind)

#003D95

Tritanopia (blue-blind)

#005061

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #273797;
/* rgb */ color: rgb(39, 55, 151);
/* oklch */ color: oklch(38.9% 0.157 270.0);

Tailwind

colors: {
  custom: {
    50: '#726db6',
    500: '#273797',
    950: '#000000',
  },
}

SCSS

$custom: #273797;
$custom-light: #726db6;
$custom-dark: #000000;

JSON

{
  "hex": "#273797",
  "rgb": {
    "r": 39,
    "g": 55,
    "b": 151
  },
  "hsl": {
    "h": 231.429,
    "s": 58.947,
    "l": 37.255
  },
  "oklch": {
    "l": 0.38901,
    "c": 0.15721,
    "h": 270
  },
  "luminance": 0.05398
}

Semantic roles & 50–950 ramp

primary

#273797

secondary

#BCAF5E

accent

#CC46E2

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #273797

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

Preview Lab → · Contrast checker → · Palette generator →