#273D7A#273D7A

#273D7A is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.7% C 0.107 H 266.4°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#273D7A
RGB	rgb(39, 61, 122)
HSL	hsl(224, 52%, 32%)
HSV	hsv(224, 68%, 48%)
CMYK	cmyk(68%, 50%, 0%, 52.2%)
CIE-LAB	lab(27.22, 12.97, -37.42)
CIE-LCH	lch(27.22, 39.60, 289.12°)
OKLab	oklab(37.72% -0.0067 -0.1071)
OKLCH	oklch(37.72% 0.107 266.4)
XYZ	xyz(6.0171, 5.1734, 19.0900)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273D7A #7A6427

analogous

#27677A #273D7A #3B277A

triadic

#273D7A #7A273D #3D7A27

tetradic

#273D7A #7A2767 #7A6427 #277A3B

square

#273D7A #7A2767 #7A6427 #277A3B

split-complementary

#273D7A #7A3B27 #677A27

monochromatic

#090F1D #18264C #273D7A #3654A8 #5372C8

Accessibility & contrast

On white

10.32

#273D7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#273D7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273D7A

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273D7A	#FFFFFF	#000000	##FFFFFF
##273D7A	1.00	10.32	2.03	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D447C

Deuteranopia (green-blind)

#0B3D79

Tritanopia (blue-blind)

#004B55

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #273d7a;
/* rgb */ color: rgb(39, 61, 122);
/* oklch */ color: oklch(37.7% 0.107 266.4);

Tailwind

colors: {
  custom: {
    50: '#6b72a1',
    500: '#273d7a',
    950: '#000000',
  },
}

SCSS

$custom: #273d7a;
$custom-light: #6b72a1;
$custom-dark: #000000;

JSON

{
  "hex": "#273d7a",
  "rgb": {
    "r": 39,
    "g": 61,
    "b": 122
  },
  "hsl": {
    "h": 224.096,
    "s": 51.553,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37722,
    "c": 0.10735,
    "h": 266.4
  },
  "luminance": 0.05174
}

Semantic roles & 50–950 ramp

primary

#273D7A

secondary

#AC9451

accent

#B54DDB

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #273D7A

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

Preview Lab → · Contrast checker → · Palette generator →