#273F84#273F84

#273F84 is a dark, moderate blue. Relative luminance 0.057; OKLCH L 38.9% C 0.120 H 266.4°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#273F84
RGB	rgb(39, 63, 132)
HSL	hsl(225, 54%, 34%)
HSV	hsv(225, 70%, 52%)
CMYK	cmyk(70.5%, 52.3%, 0%, 48.2%)
CIE-LAB	lab(28.52, 15.46, -41.59)
CIE-LCH	lch(28.52, 44.37, 290.39°)
OKLab	oklab(38.93% -0.0074 -0.1194)
OKLCH	oklch(38.93% 0.12 266.4)
XYZ	xyz(6.7776, 5.6516, 22.5590)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273F84 #846C27

analogous

#276D84 #273F84 #3D2784

triadic

#273F84 #84273F #3F8427

tetradic

#273F84 #84276D #846C27 #27843D

square

#273F84 #84276D #846C27 #27843D

split-complementary

#273F84 #843D27 #6D8427

monochromatic

#0B1226 #192855 #273F84 #3556B3 #5876CE

Accessibility & contrast

On white

9.86

#273F84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#273F84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273F84

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273F84	#FFFFFF	#000000	##FFFFFF
##273F84	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164886

Deuteranopia (green-blind)

#003F83

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #273f84;
/* rgb */ color: rgb(39, 63, 132);
/* oklch */ color: oklch(38.9% 0.120 266.4);

Tailwind

colors: {
  custom: {
    50: '#6d73a8',
    500: '#273f84',
    950: '#000000',
  },
}

SCSS

$custom: #273f84;
$custom-light: #6d73a8;
$custom-dark: #000000;

JSON

{
  "hex": "#273f84",
  "rgb": {
    "r": 39,
    "g": 63,
    "b": 132
  },
  "hsl": {
    "h": 224.516,
    "s": 54.386,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38932,
    "c": 0.11963,
    "h": 266.4
  },
  "luminance": 0.05652
}

Semantic roles & 50–950 ramp

primary

#273F84

secondary

#B29A54

accent

#B84ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #273F84

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

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