#273E71#273E71

#273E71 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.3% C 0.092 H 264.2°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#273E71
RGB	rgb(39, 62, 113)
HSL	hsl(221, 49%, 30%)
HSV	hsv(221, 65%, 44%)
CMYK	cmyk(65.5%, 45.1%, 0%, 55.7%)
CIE-LAB	lab(26.93, 8.81, -32.19)
CIE-LCH	lch(26.93, 33.38, 285.31°)
OKLab	oklab(37.3% -0.0094 -0.0918)
OKLCH	oklch(37.3% 0.092 264.2)
XYZ	xyz(5.5389, 5.0683, 16.3060)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E71 #715A27

analogous

#276371 #273E71 #352771

triadic

#273E71 #71273E #3E7127

tetradic

#273E71 #712763 #715A27 #277135

square

#273E71 #712763 #715A27 #277135

split-complementary

#273E71 #713527 #637127

monochromatic

#080C17 #172544 #273E71 #37579E #5074C3

Accessibility & contrast

On white

10.43

#273E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#273E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E71

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E71	#FFFFFF	#000000	##FFFFFF
##273E71	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274373

Deuteranopia (green-blind)

#1B3C70

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #273e71;
/* rgb */ color: rgb(39, 62, 113);
/* oklch */ color: oklch(37.3% 0.092 264.2);

Tailwind

colors: {
  custom: {
    50: '#69729a',
    500: '#273e71',
    950: '#000000',
  },
}

SCSS

$custom: #273e71;
$custom-light: #69729a;
$custom-dark: #000000;

JSON

{
  "hex": "#273e71",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 113
  },
  "hsl": {
    "h": 221.351,
    "s": 48.684,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37304,
    "c": 0.09226,
    "h": 264.2
  },
  "luminance": 0.05069
}

Semantic roles & 50–950 ramp

primary

#273E71

secondary

#A38A50

accent

#AE50D8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #273E71

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

Preview Lab → · Contrast checker → · Palette generator →