#273D64#273D64

#273D64 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.2% C 0.073 H 261.2°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#273D64
RGB	rgb(39, 61, 100)
HSL	hsl(218, 44%, 27%)
HSV	hsv(218, 61%, 39%)
CMYK	cmyk(61%, 39%, 0%, 60.8%)
CIE-LAB	lab(25.83, 4.58, -25.62)
CIE-LCH	lch(25.83, 26.02, 280.15°)
OKLab	oklab(36.2% -0.0113 -0.0725)
OKLCH	oklch(36.2% 0.073 261.2)
XYZ	xyz(4.8049, 4.6885, 12.7059)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273D64 #644E27

analogous

#275C64 #273D64 #302764

triadic

#273D64 #64273D #3D6427

tetradic

#273D64 #64275C #644E27 #276430

square

#273D64 #64275C #644E27 #276430

split-complementary

#273D64 #643027 #5C6427

monochromatic

#090D16 #162238 #273D64 #385890 #4C73B9

Accessibility & contrast

On white

10.84

#273D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#273D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273D64

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273D64	#FFFFFF	#000000	##FFFFFF
##273D64	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4066

Deuteranopia (green-blind)

#253B63

Tritanopia (blue-blind)

#00464B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #273d64;
/* rgb */ color: rgb(39, 61, 100);
/* oklch */ color: oklch(36.2% 0.073 261.2);

Tailwind

colors: {
  custom: {
    50: '#677290',
    500: '#273d64',
    950: '#000000',
  },
}

SCSS

$custom: #273d64;
$custom-light: #677290;
$custom-dark: #000000;

JSON

{
  "hex": "#273d64",
  "rgb": {
    "r": 39,
    "g": 61,
    "b": 100
  },
  "hsl": {
    "h": 218.361,
    "s": 43.885,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36197,
    "c": 0.0734,
    "h": 261.2
  },
  "luminance": 0.04689
}

Semantic roles & 50–950 ramp

primary

#273D64

secondary

#977D50

accent

#A654D4

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #273D64

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

Preview Lab → · Contrast checker → · Palette generator →