#11243B#11243B

#11243B is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.7% C 0.050 H 254.2°. Best body text is #FFFFFF at 15.68:1 contrast (WCAG AA passes).

Color values

HEX	#11243B
RGB	rgb(17, 36, 59)
HSL	hsl(213, 55%, 15%)
HSV	hsv(213, 71%, 23%)
CMYK	cmyk(71.2%, 39%, 0%, 76.9%)
CIE-LAB	lab(13.81, 1.02, -17.12)
CIE-LCH	lch(13.81, 17.15, 273.41°)
OKLab	oklab(25.7% -0.0137 -0.0484)
OKLCH	oklch(25.7% 0.05 254.2)
XYZ	xyz(1.6512, 1.6965, 4.3773)
Luminance	0.0170 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11243B #3B2811

analogous

#11393B #11243B #13113B

triadic

#11243B #3B1124 #243B11

tetradic

#11243B #3B1139 #3B2811 #113B13

square

#11243B #3B1139 #3B2811 #113B13

split-complementary

#11243B #3B1311 #393B11

monochromatic

#070E18 #070E18 #11243B #1F416B #2C5E9A

Accessibility & contrast

On white

15.68

#11243B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#11243B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11243B

15.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11243B	#FFFFFF	#000000	##FFFFFF
##11243B	1.00	15.68	1.34	15.68
#FFFFFF	15.68	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A253C

Deuteranopia (green-blind)

#15213B

Tritanopia (blue-blind)

#00292C

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #11243b;
/* rgb */ color: rgb(17, 36, 59);
/* oklch */ color: oklch(25.7% 0.050 254.2);

Tailwind

colors: {
  custom: {
    50: '#545e71',
    500: '#11243b',
    950: '#000000',
  },
}

SCSS

$custom: #11243b;
$custom-light: #545e71;
$custom-dark: #000000;

JSON

{
  "hex": "#11243b",
  "rgb": {
    "r": 17,
    "g": 36,
    "b": 59
  },
  "hsl": {
    "h": 212.857,
    "s": 55.263,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25702,
    "c": 0.05033,
    "h": 254.2
  },
  "luminance": 0.01697
}

Semantic roles & 50–950 ramp

primary

#11243B

secondary

#745733

accent

#9B49DF

background

#F5F5F6

surface

#E8E9EC

border

#C4C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #11243B

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

Preview Lab → · Contrast checker → · Palette generator →