#273799#273799

#273799 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.1% C 0.160 H 270.0°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#273799
RGB	rgb(39, 55, 153)
HSL	hsl(232, 59%, 38%)
HSV	hsv(232, 75%, 60%)
CMYK	cmyk(74.5%, 64.1%, 0%, 40%)
CIE-LAB	lab(28.01, 28.95, -55.35)
CIE-LCH	lch(28.01, 62.47, 297.61°)
OKLab	oklab(39.09% 0 -0.1599)
OKLCH	oklch(39.09% 0.16 270)
XYZ	xyz(7.9507, 5.4628, 30.7662)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273799 #998927

analogous

#277099 #273799 #502799

triadic

#273799 #992737 #379927

tetradic

#273799 #992770 #998927 #279950

square

#273799 #992770 #998927 #279950

split-complementary

#273799 #995027 #709927

monochromatic

#0E1437 #1B2568 #273799 #3349CA #6373D7

Accessibility & contrast

On white

10.03

#273799 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#273799 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273799

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273799	#FFFFFF	#000000	##FFFFFF
##273799	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489C

Deuteranopia (green-blind)

#003D97

Tritanopia (blue-blind)

#005062

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #273799;
/* rgb */ color: rgb(39, 55, 153);
/* oklch */ color: oklch(39.1% 0.160 270.0);

Tailwind

colors: {
  custom: {
    50: '#736db8',
    500: '#273799',
    950: '#000000',
  },
}

SCSS

$custom: #273799;
$custom-light: #736db8;
$custom-dark: #000000;

JSON

{
  "hex": "#273799",
  "rgb": {
    "r": 39,
    "g": 55,
    "b": 153
  },
  "hsl": {
    "h": 231.579,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.39086,
    "c": 0.15995,
    "h": 270
  },
  "luminance": 0.05464
}

Semantic roles & 50–950 ramp

primary

#273799

secondary

#BDB05F

accent

#CC45E3

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #273799

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

Preview Lab → · Contrast checker → · Palette generator →