#273181#273181

#273181 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.7% C 0.134 H 272.3°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#273181
RGB	rgb(39, 49, 129)
HSL	hsl(233, 54%, 33%)
HSV	hsv(233, 70%, 51%)
CMYK	cmyk(69.8%, 62%, 0%, 49.4%)
CIE-LAB	lab(24.36, 23.96, -46.45)
CIE-LCH	lch(24.36, 52.27, 297.28°)
OKLab	oklab(35.74% 0.0053 -0.1339)
OKLCH	oklch(35.74% 0.134 272.3)
XYZ	xyz(5.8961, 4.2124, 21.2670)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273181 #817727

analogous

#275E81 #273181 #4A2781

triadic

#273181 #812731 #318127

tetradic

#273181 #81275E #817727 #27814A

square

#273181 #81275E #817727 #27814A

split-complementary

#273181 #814A27 #5E8127

monochromatic

#0B0D23 #191F52 #273181 #3543B0 #5663CC

Accessibility & contrast

On white

11.40

#273181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#273181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273181

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273181	#FFFFFF	#000000	##FFFFFF
##273181	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E84

Deuteranopia (green-blind)

#00367F

Tritanopia (blue-blind)

#004554

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #273181;
/* rgb */ color: rgb(39, 49, 129);
/* oklch */ color: oklch(35.7% 0.134 272.3);

Tailwind

colors: {
  custom: {
    50: '#6d69a6',
    500: '#273181',
    950: '#000000',
  },
}

SCSS

$custom: #273181;
$custom-light: #6d69a6;
$custom-dark: #000000;

JSON

{
  "hex": "#273181",
  "rgb": {
    "r": 39,
    "g": 49,
    "b": 129
  },
  "hsl": {
    "h": 233.333,
    "s": 53.571,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35739,
    "c": 0.13399,
    "h": 272.3
  },
  "luminance": 0.04213
}

Semantic roles & 50–950 ramp

primary

#273181

secondary

#B1A653

accent

#CD4BDD

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #273181

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

Preview Lab → · Contrast checker → · Palette generator →