#273589#273589

#273589 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.2% C 0.140 H 270.7°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#273589
RGB	rgb(39, 53, 137)
HSL	hsl(231, 56%, 35%)
HSV	hsv(231, 72%, 54%)
CMYK	cmyk(71.5%, 61.3%, 0%, 46.3%)
CIE-LAB	lab(26.11, 24.26, -48.61)
CIE-LCH	lch(26.11, 54.33, 296.52°)
OKLab	oklab(37.24% 0.0018 -0.1402)
OKLCH	oklch(37.24% 0.14 270.7)
XYZ	xyz(6.6236, 4.7830, 24.2362)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273589 #897B27

analogous

#276689 #273589 #4A2789

triadic

#273589 #892735 #358927

tetradic

#273589 #892766 #897B27 #27894A

square

#273589 #892766 #897B27 #27894A

split-complementary

#273589 #894A27 #668927

monochromatic

#0C102A #192359 #273589 #3547B9 #5A6BD0

Accessibility & contrast

On white

10.73

#273589 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#273589 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273589

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273589	#FFFFFF	#000000	##FFFFFF
##273589	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428C

Deuteranopia (green-blind)

#003987

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #273589;
/* rgb */ color: rgb(39, 53, 137);
/* oklch */ color: oklch(37.2% 0.140 270.7);

Tailwind

colors: {
  custom: {
    50: '#6f6cac',
    500: '#273589',
    950: '#000000',
  },
}

SCSS

$custom: #273589;
$custom-light: #6f6cac;
$custom-dark: #000000;

JSON

{
  "hex": "#273589",
  "rgb": {
    "r": 39,
    "g": 53,
    "b": 137
  },
  "hsl": {
    "h": 231.429,
    "s": 55.682,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37245,
    "c": 0.14019,
    "h": 270.7
  },
  "luminance": 0.04784
}

Semantic roles & 50–950 ramp

primary

#273589

secondary

#B5A857

accent

#CA49DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #273589

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

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