#273D74#273D74

#273D74 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.3% C 0.098 H 265.5°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#273D74
RGB	rgb(39, 61, 116)
HSL	hsl(223, 50%, 30%)
HSV	hsv(223, 66%, 45%)
CMYK	cmyk(66.4%, 47.4%, 0%, 54.5%)
CIE-LAB	lab(26.82, 10.65, -34.27)
CIE-LCH	lch(26.82, 35.89, 287.27°)
OKLab	oklab(37.28% -0.0077 -0.0979)
OKLCH	oklch(37.28% 0.098 265.5)
XYZ	xyz(5.6567, 5.0293, 17.1923)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273D74 #745E27

analogous

#276374 #273D74 #372774

triadic

#273D74 #74273D #3D7427

tetradic

#273D74 #742763 #745E27 #277437

square

#273D74 #742763 #745E27 #277437

split-complementary

#273D74 #743727 #637427

monochromatic

#080D18 #182546 #273D74 #3655A2 #5172C4

Accessibility & contrast

On white

10.47

#273D74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#273D74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273D74

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273D74	#FFFFFF	#000000	##FFFFFF
##273D74	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234376

Deuteranopia (green-blind)

#163C73

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #273d74;
/* rgb */ color: rgb(39, 61, 116);
/* oklch */ color: oklch(37.3% 0.098 265.5);

Tailwind

colors: {
  custom: {
    50: '#6a729c',
    500: '#273d74',
    950: '#000000',
  },
}

SCSS

$custom: #273d74;
$custom-light: #6a729c;
$custom-dark: #000000;

JSON

{
  "hex": "#273d74",
  "rgb": {
    "r": 39,
    "g": 61,
    "b": 116
  },
  "hsl": {
    "h": 222.857,
    "s": 49.677,
    "l": 30.392
  },
  "oklch": {
    "l": 0.37282,
    "c": 0.09821,
    "h": 265.5
  },
  "luminance": 0.0503
}

Semantic roles & 50–950 ramp

primary

#273D74

secondary

#A68E50

accent

#B24FD9

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #273D74

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

Preview Lab → · Contrast checker → · Palette generator →