#273B85#273B85

#273B85 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.1% C 0.126 H 268.4°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#273B85
RGB	rgb(39, 59, 133)
HSL	hsl(227, 55%, 34%)
HSV	hsv(227, 71%, 52%)
CMYK	cmyk(70.7%, 55.6%, 0%, 47.8%)
CIE-LAB	lab(27.44, 18.61, -43.95)
CIE-LCH	lch(27.44, 47.73, 292.94°)
OKLab	oklab(38.14% -0.0036 -0.1264)
OKLCH	oklch(38.14% 0.126 268.4)
XYZ	xyz(6.6328, 5.2521, 22.8500)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273B85 #857127

analogous

#276A85 #273B85 #422785

triadic

#273B85 #85273B #3B8527

tetradic

#273B85 #85276A #857127 #278542

square

#273B85 #85276A #857127 #278542

split-complementary

#273B85 #854227 #6A8527

monochromatic

#0B1126 #192656 #273B85 #3550B4 #5871CE

Accessibility & contrast

On white

10.24

#273B85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#273B85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273B85

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273B85	#FFFFFF	#000000	##FFFFFF
##273B85	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#044588

Deuteranopia (green-blind)

#003D84

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #273b85;
/* rgb */ color: rgb(39, 59, 133);
/* oklch */ color: oklch(38.1% 0.126 268.4);

Tailwind

colors: {
  custom: {
    50: '#6e70a9',
    500: '#273b85',
    950: '#000000',
  },
}

SCSS

$custom: #273b85;
$custom-light: #6e70a9;
$custom-dark: #000000;

JSON

{
  "hex": "#273b85",
  "rgb": {
    "r": 39,
    "g": 59,
    "b": 133
  },
  "hsl": {
    "h": 227.234,
    "s": 54.651,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38142,
    "c": 0.12646,
    "h": 268.4
  },
  "luminance": 0.05253
}

Semantic roles & 50–950 ramp

primary

#273B85

secondary

#B39F55

accent

#BE4ADE

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #273B85

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

Preview Lab → · Contrast checker → · Palette generator →