#273C71#273C71

#273C71 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.8% C 0.095 H 265.7°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#273C71
RGB	rgb(39, 60, 113)
HSL	hsl(223, 49%, 30%)
HSV	hsv(223, 65%, 44%)
CMYK	cmyk(65.5%, 46.9%, 0%, 55.7%)
CIE-LAB	lab(26.32, 10.20, -33.17)
CIE-LCH	lch(26.32, 34.70, 287.09°)
OKLab	oklab(36.83% -0.0071 -0.0947)
OKLCH	oklch(36.83% 0.095 265.7)
XYZ	xyz(5.4322, 4.8548, 16.2704)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273C71 #715C27

analogous

#276171 #273C71 #372771

triadic

#273C71 #71273C #3C7127

tetradic

#273C71 #712761 #715C27 #277137

square

#273C71 #712761 #715C27 #277137

split-complementary

#273C71 #713727 #617127

monochromatic

#080C17 #172444 #273C71 #37549E #5070C3

Accessibility & contrast

On white

10.65

#273C71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#273C71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273C71

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273C71	#FFFFFF	#000000	##FFFFFF
##273C71	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234273

Deuteranopia (green-blind)

#173B70

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #273c71;
/* rgb */ color: rgb(39, 60, 113);
/* oklch */ color: oklch(36.8% 0.095 265.7);

Tailwind

colors: {
  custom: {
    50: '#69719a',
    500: '#273c71',
    950: '#000000',
  },
}

SCSS

$custom: #273c71;
$custom-light: #69719a;
$custom-dark: #000000;

JSON

{
  "hex": "#273c71",
  "rgb": {
    "r": 39,
    "g": 60,
    "b": 113
  },
  "hsl": {
    "h": 222.973,
    "s": 48.684,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36834,
    "c": 0.09495,
    "h": 265.7
  },
  "luminance": 0.04855
}

Semantic roles & 50–950 ramp

primary

#273C71

secondary

#A38C50

accent

#B150D8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #273C71

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

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