#273D7C#273D7C

#273D7C is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.9% C 0.110 H 266.6°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#273D7C
RGB	rgb(39, 61, 124)
HSL	hsl(224, 52%, 32%)
HSV	hsv(224, 69%, 49%)
CMYK	cmyk(68.5%, 50.8%, 0%, 51.4%)
CIE-LAB	lab(27.36, 13.74, -38.45)
CIE-LCH	lch(27.36, 40.83, 289.67°)
OKLab	oklab(37.87% -0.0064 -0.1102)
OKLCH	oklch(37.87% 0.11 266.6)
XYZ	xyz(6.1423, 5.2235, 19.7494)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273D7C #7C6627

analogous

#27687C #273D7C #3C277C

triadic

#273D7C #7C273D #3D7C27

tetradic

#273D7C #7C2768 #7C6627 #277C3C

square

#273D7C #7C2768 #7C6627 #277C3C

split-complementary

#273D7C #7C3C27 #687C27

monochromatic

#0A0F1F #18264D #273D7C #3654AB #5472C9

Accessibility & contrast

On white

10.27

#273D7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#273D7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273D7C

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273D7C	#FFFFFF	#000000	##FFFFFF
##273D7C	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B457E

Deuteranopia (green-blind)

#053D7B

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #273d7c;
/* rgb */ color: rgb(39, 61, 124);
/* oklch */ color: oklch(37.9% 0.110 266.6);

Tailwind

colors: {
  custom: {
    50: '#6b72a2',
    500: '#273d7c',
    950: '#000000',
  },
}

SCSS

$custom: #273d7c;
$custom-light: #6b72a2;
$custom-dark: #000000;

JSON

{
  "hex": "#273d7c",
  "rgb": {
    "r": 39,
    "g": 61,
    "b": 124
  },
  "hsl": {
    "h": 224.471,
    "s": 52.147,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37873,
    "c": 0.11037,
    "h": 266.6
  },
  "luminance": 0.05224
}

Semantic roles & 50–950 ramp

primary

#273D7C

secondary

#AE9651

accent

#B64CDC

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #273D7C

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

Preview Lab → · Contrast checker → · Palette generator →