#273B68#273B68

#273B68 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.0% C 0.082 H 264.6°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#273B68
RGB	rgb(39, 59, 104)
HSL	hsl(222, 45%, 28%)
HSV	hsv(222, 63%, 41%)
CMYK	cmyk(62.5%, 43.3%, 0%, 59.2%)
CIE-LAB	lab(25.44, 7.46, -28.81)
CIE-LCH	lch(25.44, 29.76, 284.52°)
OKLab	oklab(35.97% -0.0078 -0.0819)
OKLCH	oklch(35.97% 0.082 264.6)
XYZ	xyz(4.8985, 4.5583, 13.7157)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273B68 #685427

analogous

#275B68 #273B68 #332768

triadic

#273B68 #68273B #3B6827

tetradic

#273B68 #68275B #685427 #276833

square

#273B68 #68275B #685427 #276833

split-complementary

#273B68 #683327 #5B6827

monochromatic

#080D16 #16223B #273B68 #385495 #4D6FBC

Accessibility & contrast

On white

10.98

#273B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#273B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273B68

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273B68	#FFFFFF	#000000	##FFFFFF
##273B68	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283F6A

Deuteranopia (green-blind)

#1F3A67

Tritanopia (blue-blind)

#00454C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #273b68;
/* rgb */ color: rgb(39, 59, 104);
/* oklch */ color: oklch(36.0% 0.082 264.6);

Tailwind

colors: {
  custom: {
    50: '#677093',
    500: '#273b68',
    950: '#000000',
  },
}

SCSS

$custom: #273b68;
$custom-light: #677093;
$custom-dark: #000000;

JSON

{
  "hex": "#273b68",
  "rgb": {
    "r": 39,
    "g": 59,
    "b": 104
  },
  "hsl": {
    "h": 221.538,
    "s": 45.455,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35972,
    "c": 0.08227,
    "h": 264.6
  },
  "luminance": 0.04559
}

Semantic roles & 50–950 ramp

primary

#273B68

secondary

#9B8450

accent

#AD53D5

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #273B68

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

Preview Lab → · Contrast checker → · Palette generator →