#273681#273681

#273681 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.127 H 270.4°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#273681
RGB	rgb(39, 54, 129)
HSL	hsl(230, 54%, 33%)
HSV	hsv(230, 70%, 51%)
CMYK	cmyk(69.8%, 58.1%, 0%, 49.4%)
CIE-LAB	lab(25.73, 20.52, -44.23)
CIE-LCH	lch(25.73, 48.76, 294.89°)
OKLab	oklab(36.75% 0.0008 -0.1273)
OKLCH	oklch(36.75% 0.127 270.4)
XYZ	xyz(6.1170, 4.6541, 21.3406)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273681 #817227

analogous

#276381 #273681 #452781

triadic

#273681 #812736 #368127

tetradic

#273681 #812763 #817227 #278145

square

#273681 #812763 #817227 #278145

split-complementary

#273681 #814527 #638127

monochromatic

#0B0F23 #192252 #273681 #354AB0 #566ACC

Accessibility & contrast

On white

10.88

#273681 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#273681 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273681

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273681	#FFFFFF	#000000	##FFFFFF
##273681	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004184

Deuteranopia (green-blind)

#00397F

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #273681;
/* rgb */ color: rgb(39, 54, 129);
/* oklch */ color: oklch(36.8% 0.127 270.4);

Tailwind

colors: {
  custom: {
    50: '#6d6ca6',
    500: '#273681',
    950: '#000000',
  },
}

SCSS

$custom: #273681;
$custom-light: #6d6ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#273681",
  "rgb": {
    "r": 39,
    "g": 54,
    "b": 129
  },
  "hsl": {
    "h": 230,
    "s": 53.571,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36755,
    "c": 0.12731,
    "h": 270.4
  },
  "luminance": 0.04655
}

Semantic roles & 50–950 ramp

primary

#273681

secondary

#B1A153

accent

#C54BDD

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #273681

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

Preview Lab → · Contrast checker → · Palette generator →