#273E8D#273E8D

#273E8D is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.4% C 0.134 H 267.6°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#273E8D
RGB	rgb(39, 62, 141)
HSL	hsl(226, 57%, 35%)
HSV	hsv(226, 72%, 55%)
CMYK	cmyk(72.3%, 56%, 0%, 44.7%)
CIE-LAB	lab(28.90, 19.64, -46.55)
CIE-LCH	lch(28.90, 50.52, 292.87°)
OKLab	oklab(39.43% -0.0057 -0.134)
OKLCH	oklch(39.43% 0.134 267.6)
XYZ	xyz(7.3654, 5.7989, 25.9253)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E8D #8D7627

analogous

#27718D #273E8D #43278D

triadic

#273E8D #8D273E #3E8D27

tetradic

#273E8D #8D2771 #8D7627 #278D43

square

#273E8D #8D2771 #8D7627 #278D43

split-complementary

#273E8D #8D4327 #718D27

monochromatic

#0C142D #1A295D #273E8D #3453BD #5C77D2

Accessibility & contrast

On white

9.72

#273E8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#273E8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E8D

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E8D	#FFFFFF	#000000	##FFFFFF
##273E8D	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004990

Deuteranopia (green-blind)

#00408B

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #273e8d;
/* rgb */ color: rgb(39, 62, 141);
/* oklch */ color: oklch(39.4% 0.134 267.6);

Tailwind

colors: {
  custom: {
    50: '#6f72af',
    500: '#273e8d',
    950: '#000000',
  },
}

SCSS

$custom: #273e8d;
$custom-light: #6f72af;
$custom-dark: #000000;

JSON

{
  "hex": "#273e8d",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 141
  },
  "hsl": {
    "h": 226.471,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39435,
    "c": 0.13412,
    "h": 267.6
  },
  "luminance": 0.058
}

Semantic roles & 50–950 ramp

primary

#273E8D

secondary

#B7A259

accent

#BE48E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #273E8D

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

Preview Lab → · Contrast checker → · Palette generator →