#273C84#273C84

#273C84 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.124 H 267.9°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#273C84
RGB	rgb(39, 60, 132)
HSL	hsl(226, 54%, 34%)
HSV	hsv(226, 70%, 52%)
CMYK	cmyk(70.5%, 54.5%, 0%, 48.2%)
CIE-LAB	lab(27.65, 17.53, -42.99)
CIE-LCH	lch(27.65, 46.43, 292.18°)
OKLab	oklab(38.28% -0.0046 -0.1236)
OKLCH	oklch(38.28% 0.124 267.9)
XYZ	xyz(6.6160, 5.3284, 22.5051)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273C84 #846F27

analogous

#276A84 #273C84 #402784

triadic

#273C84 #84273C #3C8427

tetradic

#273C84 #84276A #846F27 #278440

square

#273C84 #84276A #846F27 #278440

split-complementary

#273C84 #844027 #6A8427

monochromatic

#0B1126 #192755 #273C84 #3551B3 #5872CE

Accessibility & contrast

On white

10.17

#273C84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#273C84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273C84

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273C84	#FFFFFF	#000000	##FFFFFF
##273C84	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4687

Deuteranopia (green-blind)

#003D83

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #273c84;
/* rgb */ color: rgb(39, 60, 132);
/* oklch */ color: oklch(38.3% 0.124 267.9);

Tailwind

colors: {
  custom: {
    50: '#6d71a8',
    500: '#273c84',
    950: '#000000',
  },
}

SCSS

$custom: #273c84;
$custom-light: #6d71a8;
$custom-dark: #000000;

JSON

{
  "hex": "#273c84",
  "rgb": {
    "r": 39,
    "g": 60,
    "b": 132
  },
  "hsl": {
    "h": 226.452,
    "s": 54.386,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38276,
    "c": 0.12364,
    "h": 267.9
  },
  "luminance": 0.05329
}

Semantic roles & 50–950 ramp

primary

#273C84

secondary

#B29D54

accent

#BC4ADE

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #273C84

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

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