#273B7A#273B7A

#273B7A is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.3% C 0.110 H 267.6°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#273B7A
RGB	rgb(39, 59, 122)
HSL	hsl(226, 52%, 32%)
HSV	hsv(226, 68%, 48%)
CMYK	cmyk(68%, 51.6%, 0%, 52.2%)
CIE-LAB	lab(26.63, 14.35, -38.37)
CIE-LCH	lch(26.63, 40.96, 290.51°)
OKLab	oklab(37.27% -0.0046 -0.11)
OKLCH	oklch(37.27% 0.11 267.6)
XYZ	xyz(5.9123, 4.9639, 19.0551)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273B7A #7A6627

analogous

#27657A #273B7A #3D277A

triadic

#273B7A #7A273B #3B7A27

tetradic

#273B7A #7A2765 #7A6627 #277A3D

square

#273B7A #7A2765 #7A6627 #277A3D

split-complementary

#273B7A #7A3D27 #657A27

monochromatic

#090E1D #18254C #273B7A #3651A8 #536FC8

Accessibility & contrast

On white

10.54

#273B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#273B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273B7A

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273B7A	#FFFFFF	#000000	##FFFFFF
##273B7A	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18437C

Deuteranopia (green-blind)

#023B79

Tritanopia (blue-blind)

#004A54

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #273b7a;
/* rgb */ color: rgb(39, 59, 122);
/* oklch */ color: oklch(37.3% 0.110 267.6);

Tailwind

colors: {
  custom: {
    50: '#6b70a1',
    500: '#273b7a',
    950: '#000000',
  },
}

SCSS

$custom: #273b7a;
$custom-light: #6b70a1;
$custom-dark: #000000;

JSON

{
  "hex": "#273b7a",
  "rgb": {
    "r": 39,
    "g": 59,
    "b": 122
  },
  "hsl": {
    "h": 225.542,
    "s": 51.553,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37272,
    "c": 0.11007,
    "h": 267.6
  },
  "luminance": 0.04964
}

Semantic roles & 50–950 ramp

primary

#273B7A

secondary

#AC9651

accent

#B94DDB

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #273B7A

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

Preview Lab → · Contrast checker → · Palette generator →