#273387#273387

#273387 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.140 H 271.4°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#273387
RGB	rgb(39, 51, 135)
HSL	hsl(233, 55%, 34%)
HSV	hsv(233, 71%, 53%)
CMYK	cmyk(71.1%, 62.2%, 0%, 47.1%)
CIE-LAB	lab(25.40, 24.86, -48.51)
CIE-LCH	lch(25.40, 54.51, 297.14°)
OKLab	oklab(36.67% 0.0035 -0.1399)
OKLCH	oklch(36.67% 0.14 271.4)
XYZ	xyz(6.3922, 4.5476, 23.4579)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273387 #877B27

analogous

#276387 #273387 #4B2787

triadic

#273387 #872733 #338727

tetradic

#273387 #872763 #877B27 #27874B

square

#273387 #872763 #877B27 #27874B

split-complementary

#273387 #874B27 #638727

monochromatic

#0C0F28 #192158 #273387 #3545B6 #5968CF

Accessibility & contrast

On white

11.00

#273387 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#273387 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273387

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273387	#FFFFFF	#000000	##FFFFFF
##273387	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418A

Deuteranopia (green-blind)

#003885

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #273387;
/* rgb */ color: rgb(39, 51, 135);
/* oklch */ color: oklch(36.7% 0.140 271.4);

Tailwind

colors: {
  custom: {
    50: '#6f6aab',
    500: '#273387',
    950: '#000000',
  },
}

SCSS

$custom: #273387;
$custom-light: #6f6aab;
$custom-dark: #000000;

JSON

{
  "hex": "#273387",
  "rgb": {
    "r": 39,
    "g": 51,
    "b": 135
  },
  "hsl": {
    "h": 232.5,
    "s": 55.172,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36672,
    "c": 0.13995,
    "h": 271.4
  },
  "luminance": 0.04548
}

Semantic roles & 50–950 ramp

primary

#273387

secondary

#B4A856

accent

#CC49DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #273387

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

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