#273C7C#273C7C

#273C7C is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.6% C 0.112 H 267.2°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#273C7C
RGB	rgb(39, 60, 124)
HSL	hsl(225, 52%, 32%)
HSV	hsv(225, 69%, 49%)
CMYK	cmyk(68.5%, 51.6%, 0%, 51.4%)
CIE-LAB	lab(27.07, 14.43, -38.92)
CIE-LCH	lch(27.07, 41.51, 290.35°)
OKLab	oklab(37.65% -0.0054 -0.1116)
OKLCH	oklch(37.65% 0.112 267.2)
XYZ	xyz(6.0894, 5.1177, 19.7318)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273C7C #7C6727

analogous

#27677C #273C7C #3C277C

triadic

#273C7C #7C273C #3C7C27

tetradic

#273C7C #7C2767 #7C6727 #277C3C

square

#273C7C #7C2767 #7C6727 #277C3C

split-complementary

#273C7C #7C3C27 #677C27

monochromatic

#0A0F1F #18254D #273C7C #3653AB #5471C9

Accessibility & contrast

On white

10.38

#273C7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#273C7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273C7C

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273C7C	#FFFFFF	#000000	##FFFFFF
##273C7C	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18447E

Deuteranopia (green-blind)

#013C7B

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #273c7c;
/* rgb */ color: rgb(39, 60, 124);
/* oklch */ color: oklch(37.6% 0.112 267.2);

Tailwind

colors: {
  custom: {
    50: '#6b71a2',
    500: '#273c7c',
    950: '#000000',
  },
}

SCSS

$custom: #273c7c;
$custom-light: #6b71a2;
$custom-dark: #000000;

JSON

{
  "hex": "#273c7c",
  "rgb": {
    "r": 39,
    "g": 60,
    "b": 124
  },
  "hsl": {
    "h": 225.176,
    "s": 52.147,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37648,
    "c": 0.11173,
    "h": 267.2
  },
  "luminance": 0.05118
}

Semantic roles & 50–950 ramp

primary

#273C7C

secondary

#AE9751

accent

#B84CDC

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #273C7C

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

Preview Lab → · Contrast checker → · Palette generator →