#273B86#273B86

#273B86 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.2% C 0.128 H 268.4°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#273B86
RGB	rgb(39, 59, 134)
HSL	hsl(227, 55%, 34%)
HSV	hsv(227, 71%, 53%)
CMYK	cmyk(70.9%, 56%, 0%, 47.5%)
CIE-LAB	lab(27.52, 18.99, -44.45)
CIE-LCH	lch(27.52, 48.34, 293.14°)
OKLab	oklab(38.22% -0.0035 -0.1279)
OKLCH	oklch(38.22% 0.128 268.4)
XYZ	xyz(6.7023, 5.2798, 23.2155)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273B86 #867227

analogous

#276B86 #273B86 #432786

triadic

#273B86 #86273B #3B8627

tetradic

#273B86 #86276B #867227 #278643

square

#273B86 #86276B #867227 #278643

split-complementary

#273B86 #864327 #6B8627

monochromatic

#0B1127 #192657 #273B86 #3550B5 #5972CF

Accessibility & contrast

On white

10.21

#273B86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#273B86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273B86

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273B86	#FFFFFF	#000000	##FFFFFF
##273B86	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014589

Deuteranopia (green-blind)

#003D84

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #273b86;
/* rgb */ color: rgb(39, 59, 134);
/* oklch */ color: oklch(38.2% 0.128 268.4);

Tailwind

colors: {
  custom: {
    50: '#6e70aa',
    500: '#273b86',
    950: '#000000',
  },
}

SCSS

$custom: #273b86;
$custom-light: #6e70aa;
$custom-dark: #000000;

JSON

{
  "hex": "#273b86",
  "rgb": {
    "r": 39,
    "g": 59,
    "b": 134
  },
  "hsl": {
    "h": 227.368,
    "s": 54.913,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38224,
    "c": 0.12793,
    "h": 268.4
  },
  "luminance": 0.0528
}

Semantic roles & 50–950 ramp

primary

#273B86

secondary

#B4A055

accent

#BF4ADE

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #273B86

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

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