#273E9E#273E9E

#273E9E is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.9% C 0.158 H 268.2°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#273E9E
RGB	rgb(39, 62, 158)
HSL	hsl(228, 60%, 39%)
HSV	hsv(228, 75%, 62%)
CMYK	cmyk(75.3%, 60.8%, 0%, 38%)
CIE-LAB	lab(30.27, 26.17, -54.72)
CIE-LCH	lch(30.27, 60.65, 295.56°)
OKLab	oklab(40.89% -0.0051 -0.158)
OKLCH	oklch(40.89% 0.158 268.2)
XYZ	xyz(8.7287, 6.3443, 33.1057)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E9E #9E8727

analogous

#27799E #273E9E #4B279E

triadic

#273E9E #9E273E #3E9E27

tetradic

#273E9E #9E2779 #9E8727 #279E4B

square

#273E9E #9E2779 #9E8727 #279E4B

split-complementary

#273E9E #9E4B27 #799E27

monochromatic

#0F173C #1B2B6D #273E9E #3552CD #667CD9

Accessibility & contrast

On white

9.26

#273E9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#273E9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E9E

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E9E	#FFFFFF	#000000	##FFFFFF
##273E9E	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA1

Deuteranopia (green-blind)

#00429C

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #273e9e;
/* rgb */ color: rgb(39, 62, 158);
/* oklch */ color: oklch(40.9% 0.158 268.2);

Tailwind

colors: {
  custom: {
    50: '#7373bb',
    500: '#273e9e',
    950: '#000000',
  },
}

SCSS

$custom: #273e9e;
$custom-light: #7373bb;
$custom-dark: #000000;

JSON

{
  "hex": "#273e9e",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 158
  },
  "hsl": {
    "h": 228.403,
    "s": 60.406,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40885,
    "c": 0.15809,
    "h": 268.2
  },
  "luminance": 0.06345
}

Semantic roles & 50–950 ramp

primary

#273E9E

secondary

#BFAD62

accent

#C544E4

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #273E9E

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

Preview Lab → · Contrast checker → · Palette generator →