#273187#273187

#273187 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.3% C 0.143 H 272.1°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#273187
RGB	rgb(39, 49, 135)
HSL	hsl(234, 55%, 34%)
HSV	hsv(234, 71%, 53%)
CMYK	cmyk(71.1%, 63.7%, 0%, 47.1%)
CIE-LAB	lab(24.88, 26.22, -49.37)
CIE-LCH	lch(24.88, 55.90, 297.97°)
OKLab	oklab(36.28% 0.0051 -0.1424)
OKLCH	oklch(36.28% 0.143 272.1)
XYZ	xyz(6.3067, 4.3766, 23.4294)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273187 #877D27

analogous

#276187 #273187 #4D2787

triadic

#273187 #872731 #318727

tetradic

#273187 #872761 #877D27 #27874D

square

#273187 #872761 #877D27 #27874D

split-complementary

#273187 #874D27 #618727

monochromatic

#0C0F28 #192058 #273187 #3542B6 #5966CF

Accessibility & contrast

On white

11.20

#273187 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#273187 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273187

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273187	#FFFFFF	#000000	##FFFFFF
##273187	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408A

Deuteranopia (green-blind)

#003785

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #273187;
/* rgb */ color: rgb(39, 49, 135);
/* oklch */ color: oklch(36.3% 0.143 272.1);

Tailwind

colors: {
  custom: {
    50: '#6f69ab',
    500: '#273187',
    950: '#000000',
  },
}

SCSS

$custom: #273187;
$custom-light: #6f69ab;
$custom-dark: #000000;

JSON

{
  "hex": "#273187",
  "rgb": {
    "r": 39,
    "g": 49,
    "b": 135
  },
  "hsl": {
    "h": 233.75,
    "s": 55.172,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36283,
    "c": 0.14253,
    "h": 272.1
  },
  "luminance": 0.04377
}

Semantic roles & 50–950 ramp

primary

#273187

secondary

#B4AA56

accent

#CF49DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #273187

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

Preview Lab → · Contrast checker → · Palette generator →