#273899#273899

#273899 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.3% C 0.159 H 269.7°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#273899
RGB	rgb(39, 56, 153)
HSL	hsl(231, 59%, 38%)
HSV	hsv(231, 75%, 60%)
CMYK	cmyk(74.5%, 63.4%, 0%, 40%)
CIE-LAB	lab(28.27, 28.29, -54.93)
CIE-LCH	lch(28.27, 61.79, 297.25°)
OKLab	oklab(39.27% -0.0007 -0.1587)
OKLCH	oklch(39.27% 0.159 269.7)
XYZ	xyz(7.9987, 5.5588, 30.7822)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273899 #998827

analogous

#277199 #273899 #4F2799

triadic

#273899 #992738 #389927

tetradic

#273899 #992771 #998827 #27994F

square

#273899 #992771 #998827 #27994F

split-complementary

#273899 #994F27 #719927

monochromatic

#0E1437 #1B2668 #273899 #334ACA #6374D7

Accessibility & contrast

On white

9.94

#273899 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#273899 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273899

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273899	#FFFFFF	#000000	##FFFFFF
##273899	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489C

Deuteranopia (green-blind)

#003D97

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #273899;
/* rgb */ color: rgb(39, 56, 153);
/* oklch */ color: oklch(39.3% 0.159 269.7);

Tailwind

colors: {
  custom: {
    50: '#726eb8',
    500: '#273899',
    950: '#000000',
  },
}

SCSS

$custom: #273899;
$custom-light: #726eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#273899",
  "rgb": {
    "r": 39,
    "g": 56,
    "b": 153
  },
  "hsl": {
    "h": 231.053,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.39274,
    "c": 0.15871,
    "h": 269.7
  },
  "luminance": 0.0556
}

Semantic roles & 50–950 ramp

primary

#273899

secondary

#BDAF5F

accent

#CB45E3

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #273899

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

Preview Lab → · Contrast checker → · Palette generator →