#273666#273666

#273666 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.6% C 0.086 H 268.6°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#273666
RGB	rgb(39, 54, 102)
HSL	hsl(226, 45%, 28%)
HSV	hsv(226, 62%, 40%)
CMYK	cmyk(61.8%, 47.1%, 0%, 60%)
CIE-LAB	lab(23.77, 10.19, -30.19)
CIE-LCH	lch(23.77, 31.86, 288.65°)
OKLab	oklab(34.65% -0.0021 -0.086)
OKLCH	oklch(34.65% 0.086 268.6)
XYZ	xyz(4.5533, 4.0286, 13.1054)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273666 #665727

analogous

#275666 #273666 #372766

triadic

#273666 #662736 #366627

tetradic

#273666 #662756 #665727 #276637

square

#273666 #662756 #665727 #276637

split-complementary

#273666 #663727 #566627

monochromatic

#080C16 #161F3A #273666 #384D92 #4D67BB

Accessibility & contrast

On white

11.63

#273666 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#273666 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273666

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273666	#FFFFFF	#000000	##FFFFFF
##273666	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203C68

Deuteranopia (green-blind)

#183665

Tritanopia (blue-blind)

#004149

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #273666;
/* rgb */ color: rgb(39, 54, 102);
/* oklch */ color: oklch(34.6% 0.086 268.6);

Tailwind

colors: {
  custom: {
    50: '#676c92',
    500: '#273666',
    950: '#000000',
  },
}

SCSS

$custom: #273666;
$custom-light: #676c92;
$custom-dark: #000000;

JSON

{
  "hex": "#273666",
  "rgb": {
    "r": 39,
    "g": 54,
    "b": 102
  },
  "hsl": {
    "h": 225.714,
    "s": 44.681,
    "l": 27.647
  },
  "oklch": {
    "l": 0.34646,
    "c": 0.08602,
    "h": 268.6
  },
  "luminance": 0.04029
}

Semantic roles & 50–950 ramp

primary

#273666

secondary

#998750

accent

#B653D4

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #273666

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

Preview Lab → · Contrast checker → · Palette generator →