#273E7A#273E7A

#273E7A is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.0% C 0.106 H 265.8°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#273E7A
RGB	rgb(39, 62, 122)
HSL	hsl(223, 52%, 32%)
HSV	hsv(223, 68%, 48%)
CMYK	cmyk(68%, 49.2%, 0%, 52.2%)
CIE-LAB	lab(27.52, 12.28, -36.94)
CIE-LCH	lch(27.52, 38.92, 288.38°)
OKLab	oklab(37.95% -0.0078 -0.1057)
OKLCH	oklch(37.95% 0.106 265.8)
XYZ	xyz(6.0710, 5.2812, 19.1080)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E7A #7A6327

analogous

#27687A #273E7A #39277A

triadic

#273E7A #7A273E #3E7A27

tetradic

#273E7A #7A2768 #7A6327 #277A39

square

#273E7A #7A2768 #7A6327 #277A39

split-complementary

#273E7A #7A3927 #687A27

monochromatic

#090F1D #18264C #273E7A #3656A8 #5374C8

Accessibility & contrast

On white

10.21

#273E7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#273E7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E7A

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E7A	#FFFFFF	#000000	##FFFFFF
##273E7A	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)

#1F457C

Deuteranopia (green-blind)

#0E3D79

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #273e7a;
/* rgb */ color: rgb(39, 62, 122);
/* oklch */ color: oklch(38.0% 0.106 265.8);

Tailwind

colors: {
  custom: {
    50: '#6b72a1',
    500: '#273e7a',
    950: '#000000',
  },
}

SCSS

$custom: #273e7a;
$custom-light: #6b72a1;
$custom-dark: #000000;

JSON

{
  "hex": "#273e7a",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 122
  },
  "hsl": {
    "h": 223.373,
    "s": 51.553,
    "l": 31.569
  },
  "oklch": {
    "l": 0.3795,
    "c": 0.10601,
    "h": 265.8
  },
  "luminance": 0.05282
}

Semantic roles & 50–950 ramp

primary

#273E7A

secondary

#AC9351

accent

#B44DDB

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #273E7A

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

Preview Lab → · Contrast checker → · Palette generator →