#273F90#273F90

#273F90 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.9% C 0.137 H 267.3°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#273F90
RGB	rgb(39, 63, 144)
HSL	hsl(226, 57%, 36%)
HSV	hsv(226, 73%, 56%)
CMYK	cmyk(72.9%, 56.3%, 0%, 43.5%)
CIE-LAB	lab(29.41, 20.11, -47.57)
CIE-LCH	lch(29.41, 51.64, 292.92°)
OKLab	oklab(39.89% -0.0063 -0.137)
OKLCH	oklch(39.89% 0.137 267.3)
XYZ	xyz(7.6465, 5.9992, 27.1351)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273F90 #907827

analogous

#277390 #273F90 #432790

triadic

#273F90 #90273F #3F9027

tetradic

#273F90 #902773 #907827 #279043

square

#273F90 #902773 #907827 #279043

split-complementary

#273F90 #904327 #739027

monochromatic

#0D1530 #1A2A60 #273F90 #3454C0 #5E79D3

Accessibility & contrast

On white

9.55

#273F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#273F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273F90

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273F90	#FFFFFF	#000000	##FFFFFF
##273F90	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A93

Deuteranopia (green-blind)

#00418E

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #273f90;
/* rgb */ color: rgb(39, 63, 144);
/* oklch */ color: oklch(39.9% 0.137 267.3);

Tailwind

colors: {
  custom: {
    50: '#7073b1',
    500: '#273f90',
    950: '#000000',
  },
}

SCSS

$custom: #273f90;
$custom-light: #7073b1;
$custom-dark: #000000;

JSON

{
  "hex": "#273f90",
  "rgb": {
    "r": 39,
    "g": 63,
    "b": 144
  },
  "hsl": {
    "h": 226.286,
    "s": 57.377,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39892,
    "c": 0.13712,
    "h": 267.3
  },
  "luminance": 0.06
}

Semantic roles & 50–950 ramp

primary

#273F90

secondary

#B9A35A

accent

#BE47E1

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #273F90

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

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