#273E90#273E90

#273E90 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.138 H 267.7°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#273E90
RGB	rgb(39, 62, 144)
HSL	hsl(227, 57%, 36%)
HSV	hsv(227, 73%, 56%)
CMYK	cmyk(72.9%, 56.9%, 0%, 43.5%)
CIE-LAB	lab(29.13, 20.80, -48.02)
CIE-LCH	lch(29.13, 52.33, 293.42°)
OKLab	oklab(39.68% -0.0055 -0.1383)
OKLCH	oklch(39.68% 0.138 267.7)
XYZ	xyz(7.5916, 5.8894, 27.1168)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E90 #907927

analogous

#277290 #273E90 #442790

triadic

#273E90 #90273E #3E9027

tetradic

#273E90 #902772 #907927 #279044

square

#273E90 #902772 #907927 #279044

split-complementary

#273E90 #904427 #729027

monochromatic

#0D1530 #1A2960 #273E90 #3453C0 #5E78D3

Accessibility & contrast

On white

9.64

#273E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#273E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E90

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E90	#FFFFFF	#000000	##FFFFFF
##273E90	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A93

Deuteranopia (green-blind)

#00408E

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #273e90;
/* rgb */ color: rgb(39, 62, 144);
/* oklch */ color: oklch(39.7% 0.138 267.7);

Tailwind

colors: {
  custom: {
    50: '#7072b1',
    500: '#273e90',
    950: '#000000',
  },
}

SCSS

$custom: #273e90;
$custom-light: #7072b1;
$custom-dark: #000000;

JSON

{
  "hex": "#273e90",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 144
  },
  "hsl": {
    "h": 226.857,
    "s": 57.377,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39683,
    "c": 0.13843,
    "h": 267.7
  },
  "luminance": 0.0589
}

Semantic roles & 50–950 ramp

primary

#273E90

secondary

#B9A45A

accent

#BF47E1

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #273E90

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

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