#273099#273099

#273099 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.8% C 0.168 H 271.5°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#273099
RGB	rgb(39, 48, 153)
HSL	hsl(235, 59%, 38%)
HSV	hsv(235, 75%, 60%)
CMYK	cmyk(74.5%, 68.6%, 0%, 40%)
CIE-LAB	lab(26.29, 33.53, -58.19)
CIE-LCH	lch(26.29, 67.15, 299.95°)
OKLab	oklab(37.82% 0.0046 -0.1683)
OKLCH	oklch(37.82% 0.168 271.5)
XYZ	xyz(7.6415, 4.8444, 30.6632)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273099 #999027

analogous

#276999 #273099 #572799

triadic

#273099 #992730 #309927

tetradic

#273099 #992769 #999027 #279957

square

#273099 #992769 #999027 #279957

split-complementary

#273099 #995727 #699927

monochromatic

#0E1137 #1B2168 #273099 #333FCA #636CD7

Accessibility & contrast

On white

10.67

#273099 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#273099 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273099

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273099	#FFFFFF	#000000	##FFFFFF
##273099	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449C

Deuteranopia (green-blind)

#003997

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #273099;
/* rgb */ color: rgb(39, 48, 153);
/* oklch */ color: oklch(37.8% 0.168 271.5);

Tailwind

colors: {
  custom: {
    50: '#7368b8',
    500: '#273099',
    950: '#000000',
  },
}

SCSS

$custom: #273099;
$custom-light: #7368b8;
$custom-dark: #000000;

JSON

{
  "hex": "#273099",
  "rgb": {
    "r": 39,
    "g": 48,
    "b": 153
  },
  "hsl": {
    "h": 235.263,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.37822,
    "c": 0.16834,
    "h": 271.5
  },
  "luminance": 0.04845
}

Semantic roles & 50–950 ramp

primary

#273099

secondary

#BDB55F

accent

#D645E3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #273099

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

Preview Lab → · Contrast checker → · Palette generator →