#273789#273789

#273789 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.6% C 0.138 H 270.1°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#273789
RGB	rgb(39, 55, 137)
HSL	hsl(230, 56%, 35%)
HSV	hsv(230, 72%, 54%)
CMYK	cmyk(71.5%, 59.9%, 0%, 46.3%)
CIE-LAB	lab(26.65, 22.89, -47.73)
CIE-LCH	lch(26.65, 52.94, 295.63°)
OKLab	oklab(37.65% 0.0001 -0.1376)
OKLCH	oklch(37.65% 0.138 270.1)
XYZ	xyz(6.7167, 4.9692, 24.2672)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273789 #897927

analogous

#276889 #273789 #482789

triadic

#273789 #892737 #378927

tetradic

#273789 #892768 #897927 #278948

square

#273789 #892768 #897927 #278948

split-complementary

#273789 #894827 #688927

monochromatic

#0C112A #192459 #273789 #354AB9 #5A6ED0

Accessibility & contrast

On white

10.53

#273789 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#273789 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273789

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273789	#FFFFFF	#000000	##FFFFFF
##273789	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448C

Deuteranopia (green-blind)

#003B87

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #273789;
/* rgb */ color: rgb(39, 55, 137);
/* oklch */ color: oklch(37.6% 0.138 270.1);

Tailwind

colors: {
  custom: {
    50: '#6f6dac',
    500: '#273789',
    950: '#000000',
  },
}

SCSS

$custom: #273789;
$custom-light: #6f6dac;
$custom-dark: #000000;

JSON

{
  "hex": "#273789",
  "rgb": {
    "r": 39,
    "g": 55,
    "b": 137
  },
  "hsl": {
    "h": 230.204,
    "s": 55.682,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37647,
    "c": 0.13757,
    "h": 270.1
  },
  "luminance": 0.0497
}

Semantic roles & 50–950 ramp

primary

#273789

secondary

#B5A657

accent

#C649DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #273789

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

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