#273C74#273C74

#273C74 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.0% C 0.100 H 266.2°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#273C74
RGB	rgb(39, 60, 116)
HSL	hsl(224, 50%, 30%)
HSV	hsv(224, 66%, 45%)
CMYK	cmyk(66.4%, 48.3%, 0%, 54.5%)
CIE-LAB	lab(26.52, 11.35, -34.76)
CIE-LCH	lch(26.52, 36.56, 288.08°)
OKLab	oklab(37.05% -0.0066 -0.0993)
OKLCH	oklch(37.05% 0.1 266.2)
XYZ	xyz(5.6039, 4.9235, 17.1746)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273C74 #745F27

analogous

#276274 #273C74 #382774

triadic

#273C74 #74273C #3C7427

tetradic

#273C74 #742762 #745F27 #277438

square

#273C74 #742762 #745F27 #277438

split-complementary

#273C74 #743827 #627427

monochromatic

#080D18 #182446 #273C74 #3654A2 #5170C4

Accessibility & contrast

On white

10.58

#273C74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#273C74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273C74

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273C74	#FFFFFF	#000000	##FFFFFF
##273C74	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214276

Deuteranopia (green-blind)

#133B73

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #273c74;
/* rgb */ color: rgb(39, 60, 116);
/* oklch */ color: oklch(37.0% 0.100 266.2);

Tailwind

colors: {
  custom: {
    50: '#6a719c',
    500: '#273c74',
    950: '#000000',
  },
}

SCSS

$custom: #273c74;
$custom-light: #6a719c;
$custom-dark: #000000;

JSON

{
  "hex": "#273c74",
  "rgb": {
    "r": 39,
    "g": 60,
    "b": 116
  },
  "hsl": {
    "h": 223.636,
    "s": 49.677,
    "l": 30.392
  },
  "oklch": {
    "l": 0.3705,
    "c": 0.09956,
    "h": 266.2
  },
  "luminance": 0.04924
}

Semantic roles & 50–950 ramp

primary

#273C74

secondary

#A68F50

accent

#B34FD9

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #273C74

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

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