#273A71#273A71

#273A71 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.4% C 0.098 H 267.1°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#273A71
RGB	rgb(39, 58, 113)
HSL	hsl(225, 49%, 30%)
HSV	hsv(225, 65%, 44%)
CMYK	cmyk(65.5%, 48.7%, 0%, 55.7%)
CIE-LAB	lab(25.71, 11.59, -34.14)
CIE-LCH	lch(25.71, 36.05, 288.74°)
OKLab	oklab(36.37% -0.0049 -0.0976)
OKLCH	oklch(36.37% 0.098 267.1)
XYZ	xyz(5.3294, 4.6492, 16.2361)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273A71 #715E27

analogous

#275F71 #273A71 #392771

triadic

#273A71 #71273A #3A7127

tetradic

#273A71 #71275F #715E27 #277139

square

#273A71 #71275F #715E27 #277139

split-complementary

#273A71 #713927 #5F7127

monochromatic

#080C17 #172344 #273A71 #37519E #506DC3

Accessibility & contrast

On white

10.88

#273A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#273A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273A71

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273A71	#FFFFFF	#000000	##FFFFFF
##273A71	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4073

Deuteranopia (green-blind)

#123A70

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #273a71;
/* rgb */ color: rgb(39, 58, 113);
/* oklch */ color: oklch(36.4% 0.098 267.1);

Tailwind

colors: {
  custom: {
    50: '#696f9a',
    500: '#273a71',
    950: '#000000',
  },
}

SCSS

$custom: #273a71;
$custom-light: #696f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#273a71",
  "rgb": {
    "r": 39,
    "g": 58,
    "b": 113
  },
  "hsl": {
    "h": 224.595,
    "s": 48.684,
    "l": 29.804
  },
  "oklch": {
    "l": 0.3637,
    "c": 0.09768,
    "h": 267.1
  },
  "luminance": 0.0465
}

Semantic roles & 50–950 ramp

primary

#273A71

secondary

#A38E50

accent

#B550D8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #273A71

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

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