#11283B#11283B

#11283B is a dark, muted cyan. Relative luminance 0.020; OKLCH L 26.8% C 0.046 H 245.6°. Best body text is #FFFFFF at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#11283B
RGB	rgb(17, 40, 59)
HSL	hsl(207, 55%, 15%)
HSV	hsv(207, 71%, 23%)
CMYK	cmyk(71.2%, 32.2%, 0%, 76.9%)
CIE-LAB	lab(15.24, -1.88, -14.88)
CIE-LCH	lch(15.24, 15.00, 262.81°)
OKLab	oklab(26.82% -0.019 -0.0419)
OKLCH	oklch(26.82% 0.046 245.6)
XYZ	xyz(1.7791, 1.9524, 4.4199)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11283B #3B2411

analogous

#113B39 #11283B #11133B

triadic

#11283B #3B1128 #283B11

tetradic

#11283B #39113B #3B2411 #133B11

square

#11283B #39113B #3B2411 #133B11

split-complementary

#11283B #3B1113 #3B3911

monochromatic

#071018 #071018 #11283B #1F486B #2C689A

Accessibility & contrast

On white

15.10

#11283B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#11283B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11283B

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11283B	#FFFFFF	#000000	##FFFFFF
##11283B	1.00	15.10	1.39	15.10
#FFFFFF	15.10	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20283C

Deuteranopia (green-blind)

#1A243B

Tritanopia (blue-blind)

#002D2F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #11283b;
/* rgb */ color: rgb(17, 40, 59);
/* oklch */ color: oklch(26.8% 0.046 245.6);

Tailwind

colors: {
  custom: {
    50: '#546171',
    500: '#11283b',
    950: '#000000',
  },
}

SCSS

$custom: #11283b;
$custom-light: #546171;
$custom-dark: #000000;

JSON

{
  "hex": "#11283b",
  "rgb": {
    "r": 17,
    "g": 40,
    "b": 59
  },
  "hsl": {
    "h": 207.143,
    "s": 55.263,
    "l": 14.902
  },
  "oklch": {
    "l": 0.26824,
    "c": 0.04599,
    "h": 245.6
  },
  "luminance": 0.01953
}

Semantic roles & 50–950 ramp

primary

#11283B

secondary

#745133

accent

#8D49DF

background

#F5F5F6

surface

#E8E9EC

border

#C4C5C7

text

#030507

muted

#78797A

Preview Lab

Preview with #11283B

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

Preview Lab → · Contrast checker → · Palette generator →