#273D86#273D86

#273D86 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.125 H 267.6°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#273D86
RGB	rgb(39, 61, 134)
HSL	hsl(226, 55%, 34%)
HSV	hsv(226, 71%, 53%)
CMYK	cmyk(70.9%, 54.5%, 0%, 47.5%)
CIE-LAB	lab(28.09, 17.61, -43.53)
CIE-LCH	lch(28.09, 46.96, 292.03°)
OKLab	oklab(38.65% -0.0053 -0.1251)
OKLCH	oklch(38.65% 0.125 267.6)
XYZ	xyz(6.8070, 5.4894, 23.2505)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273D86 #867027

analogous

#276D86 #273D86 #412786

triadic

#273D86 #86273D #3D8627

tetradic

#273D86 #86276D #867027 #278641

square

#273D86 #86276D #867027 #278641

split-complementary

#273D86 #864127 #6D8627

monochromatic

#0B1227 #192757 #273D86 #3553B5 #5974CF

Accessibility & contrast

On white

10.01

#273D86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#273D86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273D86

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273D86	#FFFFFF	#000000	##FFFFFF
##273D86	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4789

Deuteranopia (green-blind)

#003E85

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #273d86;
/* rgb */ color: rgb(39, 61, 134);
/* oklch */ color: oklch(38.7% 0.125 267.6);

Tailwind

colors: {
  custom: {
    50: '#6e72aa',
    500: '#273d86',
    950: '#000000',
  },
}

SCSS

$custom: #273d86;
$custom-light: #6e72aa;
$custom-dark: #000000;

JSON

{
  "hex": "#273d86",
  "rgb": {
    "r": 39,
    "g": 61,
    "b": 134
  },
  "hsl": {
    "h": 226.105,
    "s": 54.913,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38653,
    "c": 0.12525,
    "h": 267.6
  },
  "luminance": 0.0549
}

Semantic roles & 50–950 ramp

primary

#273D86

secondary

#B49E55

accent

#BC4ADE

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #273D86

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

Preview Lab → · Contrast checker → · Palette generator →