#273E7F#273E7F

#273E7F is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.3% C 0.114 H 266.4°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#273E7F
RGB	rgb(39, 62, 127)
HSL	hsl(224, 53%, 33%)
HSV	hsv(224, 69%, 50%)
CMYK	cmyk(69.3%, 51.2%, 0%, 50.2%)
CIE-LAB	lab(27.87, 14.21, -39.52)
CIE-LCH	lch(27.87, 42.00, 289.78°)
OKLab	oklab(38.32% -0.0071 -0.1133)
OKLCH	oklch(38.32% 0.114 266.4)
XYZ	xyz(6.3888, 5.4083, 20.7818)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E7F #7F6827

analogous

#276A7F #273E7F #3C277F

triadic

#273E7F #7F273E #3E7F27

tetradic

#273E7F #7F276A #7F6827 #277F3C

square

#273E7F #7F276A #7F6827 #277F3C

split-complementary

#273E7F #7F3C27 #6A7F27

monochromatic

#0A1021 #192750 #273E7F #3555AE #5574CB

Accessibility & contrast

On white

10.09

#273E7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#273E7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E7F

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E7F	#FFFFFF	#000000	##FFFFFF
##273E7F	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4681

Deuteranopia (green-blind)

#023E7E

Tritanopia (blue-blind)

#004D58

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #273e7f;
/* rgb */ color: rgb(39, 62, 127);
/* oklch */ color: oklch(38.3% 0.114 266.4);

Tailwind

colors: {
  custom: {
    50: '#6c72a5',
    500: '#273e7f',
    950: '#000000',
  },
}

SCSS

$custom: #273e7f;
$custom-light: #6c72a5;
$custom-dark: #000000;

JSON

{
  "hex": "#273e7f",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 127
  },
  "hsl": {
    "h": 224.318,
    "s": 53.012,
    "l": 32.549
  },
  "oklch": {
    "l": 0.38325,
    "c": 0.11353,
    "h": 266.4
  },
  "luminance": 0.05409
}

Semantic roles & 50–950 ramp

primary

#273E7F

secondary

#B09752

accent

#B74BDC

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #273E7F

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

Preview Lab → · Contrast checker → · Palette generator →