#11273B#11273B

#11273B is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.5% C 0.047 H 247.9°. Best body text is #FFFFFF at 15.25:1 contrast (WCAG AA passes).

Color values

HEX	#11273B
RGB	rgb(17, 39, 59)
HSL	hsl(209, 55%, 15%)
HSV	hsv(209, 71%, 23%)
CMYK	cmyk(71.2%, 33.9%, 0%, 76.9%)
CIE-LAB	lab(14.88, -1.16, -15.44)
CIE-LCH	lch(14.88, 15.49, 265.69°)
OKLab	oklab(26.54% -0.0177 -0.0435)
OKLCH	oklch(26.54% 0.047 247.9)
XYZ	xyz(1.7458, 1.8858, 4.4088)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11273B #3B2511

analogous

#113B3A #11273B #11123B

triadic

#11273B #3B1127 #273B11

tetradic

#11273B #3A113B #3B2511 #123B11

square

#11273B #3A113B #3B2511 #123B11

split-complementary

#11273B #3B1112 #3B3A11

monochromatic

#071018 #071018 #11273B #1F466B #2C669A

Accessibility & contrast

On white

15.25

#11273B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#11273B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11273B

15.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11273B	#FFFFFF	#000000	##FFFFFF
##11273B	1.00	15.25	1.38	15.25
#FFFFFF	15.25	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E283C

Deuteranopia (green-blind)

#19243B

Tritanopia (blue-blind)

#002C2E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #11273b;
/* rgb */ color: rgb(17, 39, 59);
/* oklch */ color: oklch(26.5% 0.047 247.9);

Tailwind

colors: {
  custom: {
    50: '#546071',
    500: '#11273b',
    950: '#000000',
  },
}

SCSS

$custom: #11273b;
$custom-light: #546071;
$custom-dark: #000000;

JSON

{
  "hex": "#11273b",
  "rgb": {
    "r": 17,
    "g": 39,
    "b": 59
  },
  "hsl": {
    "h": 208.571,
    "s": 55.263,
    "l": 14.902
  },
  "oklch": {
    "l": 0.26541,
    "c": 0.04698,
    "h": 247.9
  },
  "luminance": 0.01886
}

Semantic roles & 50–950 ramp

primary

#11273B

secondary

#745233

accent

#9049DF

background

#F5F5F6

surface

#E8E9EC

border

#C4C5C7

text

#030507

muted

#78797A

Preview Lab

Preview with #11273B

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

Preview Lab → · Contrast checker → · Palette generator →