#273E84#273E84

#273E84 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.121 H 266.9°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#273E84
RGB	rgb(39, 62, 132)
HSL	hsl(225, 54%, 34%)
HSV	hsv(225, 70%, 52%)
CMYK	cmyk(70.5%, 53%, 0%, 48.2%)
CIE-LAB	lab(28.23, 16.15, -42.06)
CIE-LCH	lch(28.23, 45.05, 291.00°)
OKLab	oklab(38.71% -0.0065 -0.1208)
OKLCH	oklch(38.71% 0.121 266.9)
XYZ	xyz(6.7227, 5.5419, 22.5407)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E84 #846D27

analogous

#276C84 #273E84 #3E2784

triadic

#273E84 #84273E #3E8427

tetradic

#273E84 #84276C #846D27 #27843E

square

#273E84 #84276C #846D27 #27843E

split-complementary

#273E84 #843E27 #6C8427

monochromatic

#0B1226 #192855 #273E84 #3554B3 #5875CE

Accessibility & contrast

On white

9.96

#273E84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#273E84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E84

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E84	#FFFFFF	#000000	##FFFFFF
##273E84	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134787

Deuteranopia (green-blind)

#003F83

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #273e84;
/* rgb */ color: rgb(39, 62, 132);
/* oklch */ color: oklch(38.7% 0.121 266.9);

Tailwind

colors: {
  custom: {
    50: '#6d72a8',
    500: '#273e84',
    950: '#000000',
  },
}

SCSS

$custom: #273e84;
$custom-light: #6d72a8;
$custom-dark: #000000;

JSON

{
  "hex": "#273e84",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 132
  },
  "hsl": {
    "h": 225.161,
    "s": 54.386,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38712,
    "c": 0.12096,
    "h": 266.9
  },
  "luminance": 0.05543
}

Semantic roles & 50–950 ramp

primary

#273E84

secondary

#B29B54

accent

#B94ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #273E84

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

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