#273A86#273A86

#273A86 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.129 H 268.9°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#273A86
RGB	rgb(39, 58, 134)
HSL	hsl(228, 55%, 34%)
HSV	hsv(228, 71%, 53%)
CMYK	cmyk(70.9%, 56.7%, 0%, 47.5%)
CIE-LAB	lab(27.24, 19.68, -44.91)
CIE-LCH	lch(27.24, 49.03, 293.67°)
OKLab	oklab(38.01% -0.0026 -0.1292)
OKLCH	oklch(38.01% 0.129 268.9)
XYZ	xyz(6.6514, 5.1780, 23.1986)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273A86 #867327

analogous

#276A86 #273A86 #442786

triadic

#273A86 #86273A #3A8627

tetradic

#273A86 #86276A #867327 #278644

square

#273A86 #86276A #867327 #278644

split-complementary

#273A86 #864427 #6A8627

monochromatic

#0B1127 #192557 #273A86 #354FB5 #5970CF

Accessibility & contrast

On white

10.32

#273A86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#273A86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273A86

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273A86	#FFFFFF	#000000	##FFFFFF
##273A86	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004589

Deuteranopia (green-blind)

#003C84

Tritanopia (blue-blind)

#004C5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #273a86;
/* rgb */ color: rgb(39, 58, 134);
/* oklch */ color: oklch(38.0% 0.129 268.9);

Tailwind

colors: {
  custom: {
    50: '#6e6faa',
    500: '#273a86',
    950: '#000000',
  },
}

SCSS

$custom: #273a86;
$custom-light: #6e6faa;
$custom-dark: #000000;

JSON

{
  "hex": "#273a86",
  "rgb": {
    "r": 39,
    "g": 58,
    "b": 134
  },
  "hsl": {
    "h": 228,
    "s": 54.913,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38012,
    "c": 0.12926,
    "h": 268.9
  },
  "luminance": 0.05179
}

Semantic roles & 50–950 ramp

primary

#273A86

secondary

#B4A155

accent

#C14ADE

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #273A86

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

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