#273D84#273D84

#273D84 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.5% C 0.122 H 267.4°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#273D84
RGB	rgb(39, 61, 132)
HSL	hsl(226, 54%, 34%)
HSV	hsv(226, 70%, 52%)
CMYK	cmyk(70.5%, 53.8%, 0%, 48.2%)
CIE-LAB	lab(27.94, 16.84, -42.53)
CIE-LCH	lch(27.94, 45.74, 291.60°)
OKLab	oklab(38.49% -0.0055 -0.1222)
OKLCH	oklch(38.49% 0.122 267.4)
XYZ	xyz(6.6689, 5.4341, 22.5228)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273D84 #846E27

analogous

#276B84 #273D84 #3F2784

triadic

#273D84 #84273D #3D8427

tetradic

#273D84 #84276B #846E27 #27843F

square

#273D84 #84276B #846E27 #27843F

split-complementary

#273D84 #843F27 #6B8427

monochromatic

#0B1126 #192755 #273D84 #3553B3 #5874CE

Accessibility & contrast

On white

10.06

#273D84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#273D84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273D84

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273D84	#FFFFFF	#000000	##FFFFFF
##273D84	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4687

Deuteranopia (green-blind)

#003E83

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #273d84;
/* rgb */ color: rgb(39, 61, 132);
/* oklch */ color: oklch(38.5% 0.122 267.4);

Tailwind

colors: {
  custom: {
    50: '#6d72a8',
    500: '#273d84',
    950: '#000000',
  },
}

SCSS

$custom: #273d84;
$custom-light: #6d72a8;
$custom-dark: #000000;

JSON

{
  "hex": "#273d84",
  "rgb": {
    "r": 39,
    "g": 61,
    "b": 132
  },
  "hsl": {
    "h": 225.806,
    "s": 54.386,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38493,
    "c": 0.1223,
    "h": 267.4
  },
  "luminance": 0.05435
}

Semantic roles & 50–950 ramp

primary

#273D84

secondary

#B29C54

accent

#BB4ADE

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #273D84

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

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