#273D7D#273D7D

#273D7D is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.9% C 0.112 H 266.8°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#273D7D
RGB	rgb(39, 61, 125)
HSL	hsl(225, 52%, 32%)
HSV	hsv(225, 69%, 49%)
CMYK	cmyk(68.8%, 51.2%, 0%, 51%)
CIE-LAB	lab(27.43, 14.13, -38.97)
CIE-LCH	lch(27.43, 41.45, 289.93°)
OKLab	oklab(37.95% -0.0063 -0.1117)
OKLCH	oklch(37.95% 0.112 266.8)
XYZ	xyz(6.2058, 5.2489, 20.0842)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273D7D #7D6727

analogous

#27687D #273D7D #3C277D

triadic

#273D7D #7D273D #3D7D27

tetradic

#273D7D #7D2768 #7D6727 #277D3C

square

#273D7D #7D2768 #7D6727 #277D3C

split-complementary

#273D7D #7D3C27 #687D27

monochromatic

#0A0F20 #18264E #273D7D #3654AC #5573CA

Accessibility & contrast

On white

10.24

#273D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#273D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273D7D

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273D7D	#FFFFFF	#000000	##FFFFFF
##273D7D	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A457F

Deuteranopia (green-blind)

#033D7C

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #273d7d;
/* rgb */ color: rgb(39, 61, 125);
/* oklch */ color: oklch(37.9% 0.112 266.8);

Tailwind

colors: {
  custom: {
    50: '#6c72a3',
    500: '#273d7d',
    950: '#000000',
  },
}

SCSS

$custom: #273d7d;
$custom-light: #6c72a3;
$custom-dark: #000000;

JSON

{
  "hex": "#273d7d",
  "rgb": {
    "r": 39,
    "g": 61,
    "b": 125
  },
  "hsl": {
    "h": 224.651,
    "s": 52.439,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37949,
    "c": 0.11188,
    "h": 266.8
  },
  "luminance": 0.05249
}

Semantic roles & 50–950 ramp

primary

#273D7D

secondary

#AF9751

accent

#B74CDC

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #273D7D

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

Preview Lab → · Contrast checker → · Palette generator →