#273D82#273D82

#273D82 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.3% C 0.119 H 267.3°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#273D82
RGB	rgb(39, 61, 130)
HSL	hsl(225, 54%, 33%)
HSV	hsv(225, 70%, 51%)
CMYK	cmyk(70%, 53.1%, 0%, 49%)
CIE-LAB	lab(27.79, 16.06, -41.52)
CIE-LCH	lch(27.79, 44.52, 291.15°)
OKLab	oklab(38.34% -0.0057 -0.1192)
OKLCH	oklch(38.34% 0.119 267.3)
XYZ	xyz(6.5333, 5.3799, 21.8089)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273D82 #826C27

analogous

#276A82 #273D82 #3F2782

triadic

#273D82 #82273D #3D8227

tetradic

#273D82 #82276A #826C27 #27823F

square

#273D82 #82276A #826C27 #27823F

split-complementary

#273D82 #823F27 #6A8227

monochromatic

#0B1124 #192753 #273D82 #3553B1 #5773CD

Accessibility & contrast

On white

10.11

#273D82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#273D82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273D82

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273D82	#FFFFFF	#000000	##FFFFFF
##273D82	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134684

Deuteranopia (green-blind)

#003E81

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #273d82;
/* rgb */ color: rgb(39, 61, 130);
/* oklch */ color: oklch(38.3% 0.119 267.3);

Tailwind

colors: {
  custom: {
    50: '#6d72a7',
    500: '#273d82',
    950: '#000000',
  },
}

SCSS

$custom: #273d82;
$custom-light: #6d72a7;
$custom-dark: #000000;

JSON

{
  "hex": "#273d82",
  "rgb": {
    "r": 39,
    "g": 61,
    "b": 130
  },
  "hsl": {
    "h": 225.495,
    "s": 53.846,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38335,
    "c": 0.11935,
    "h": 267.3
  },
  "luminance": 0.05381
}

Semantic roles & 50–950 ramp

primary

#273D82

secondary

#B19B53

accent

#BA4BDD

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #273D82

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

Preview Lab → · Contrast checker → · Palette generator →