#273389#273389

#273389 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.143 H 271.4°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#273389
RGB	rgb(39, 51, 137)
HSL	hsl(233, 56%, 35%)
HSV	hsv(233, 72%, 54%)
CMYK	cmyk(71.5%, 62.8%, 0%, 46.3%)
CIE-LAB	lab(25.58, 25.62, -49.47)
CIE-LCH	lch(25.58, 55.71, 297.38°)
OKLab	oklab(36.85% 0.0035 -0.1427)
OKLCH	oklch(36.85% 0.143 271.4)
XYZ	xyz(6.5344, 4.6045, 24.2065)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273389 #897D27

analogous

#276489 #273389 #4C2789

triadic

#273389 #892733 #338927

tetradic

#273389 #892764 #897D27 #27894C

square

#273389 #892764 #897D27 #27894C

split-complementary

#273389 #894C27 #648927

monochromatic

#0C102A #192159 #273389 #3545B9 #5A69D0

Accessibility & contrast

On white

10.93

#273389 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#273389 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273389

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273389	#FFFFFF	#000000	##FFFFFF
##273389	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418C

Deuteranopia (green-blind)

#003887

Tritanopia (blue-blind)

#004959

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #273389;
/* rgb */ color: rgb(39, 51, 137);
/* oklch */ color: oklch(36.9% 0.143 271.4);

Tailwind

colors: {
  custom: {
    50: '#6f6aac',
    500: '#273389',
    950: '#000000',
  },
}

SCSS

$custom: #273389;
$custom-light: #6f6aac;
$custom-dark: #000000;

JSON

{
  "hex": "#273389",
  "rgb": {
    "r": 39,
    "g": 51,
    "b": 137
  },
  "hsl": {
    "h": 232.653,
    "s": 55.682,
    "l": 34.51
  },
  "oklch": {
    "l": 0.36852,
    "c": 0.14278,
    "h": 271.4
  },
  "luminance": 0.04605
}

Semantic roles & 50–950 ramp

primary

#273389

secondary

#B5AA57

accent

#CD49DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #273389

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

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