#273687#273687

#273687 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.3% C 0.136 H 270.4°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#273687
RGB	rgb(39, 54, 135)
HSL	hsl(231, 55%, 34%)
HSV	hsv(231, 71%, 53%)
CMYK	cmyk(71.1%, 60%, 0%, 47.1%)
CIE-LAB	lab(26.21, 22.82, -47.20)
CIE-LCH	lch(26.21, 52.42, 295.80°)
OKLab	oklab(37.27% 0.001 -0.136)
OKLCH	oklch(37.27% 0.136 270.4)
XYZ	xyz(6.5276, 4.8183, 23.5030)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273687 #877827

analogous

#276687 #273687 #482787

triadic

#273687 #872736 #368727

tetradic

#273687 #872766 #877827 #278748

square

#273687 #872766 #877827 #278748

split-complementary

#273687 #874827 #668727

monochromatic

#0C1028 #192358 #273687 #3549B6 #596CCF

Accessibility & contrast

On white

10.69

#273687 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#273687 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273687

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273687	#FFFFFF	#000000	##FFFFFF
##273687	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438A

Deuteranopia (green-blind)

#003A85

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #273687;
/* rgb */ color: rgb(39, 54, 135);
/* oklch */ color: oklch(37.3% 0.136 270.4);

Tailwind

colors: {
  custom: {
    50: '#6e6cab',
    500: '#273687',
    950: '#000000',
  },
}

SCSS

$custom: #273687;
$custom-light: #6e6cab;
$custom-dark: #000000;

JSON

{
  "hex": "#273687",
  "rgb": {
    "r": 39,
    "g": 54,
    "b": 135
  },
  "hsl": {
    "h": 230.625,
    "s": 55.172,
    "l": 34.118
  },
  "oklch": {
    "l": 0.3727,
    "c": 0.13602,
    "h": 270.4
  },
  "luminance": 0.04819
}

Semantic roles & 50–950 ramp

primary

#273687

secondary

#B4A556

accent

#C749DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #273687

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

Preview Lab → · Contrast checker → · Palette generator →