#11285B#11285B

#11285B is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.2% C 0.096 H 263.4°. Best body text is #FFFFFF at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#11285B
RGB	rgb(17, 40, 91)
HSL	hsl(221, 69%, 21%)
HSV	hsv(221, 81%, 36%)
CMYK	cmyk(81.3%, 56%, 0%, 64.3%)
CIE-LAB	lab(17.42, 11.78, -33.23)
CIE-LCH	lch(17.42, 35.25, 289.51°)
OKLab	oklab(29.22% -0.0111 -0.0956)
OKLCH	oklch(29.22% 0.096 263.4)
XYZ	xyz(2.8776, 2.3918, 10.2055)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11285B #5B4411

analogous

#114D5B #11285B #1F115B

triadic

#11285B #5B1128 #285B11

tetradic

#11285B #5B114D #5B4411 #115B1F

square

#11285B #5B114D #5B4411 #115B1F

split-complementary

#11285B #5B1F11 #4D5B11

monochromatic

#050B1A #071127 #11285B #1B3F8F #2455C2

Accessibility & contrast

On white

14.20

#11285B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#11285B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11285B

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11285B	#FFFFFF	#000000	##FFFFFF
##11285B	1.00	14.20	1.48	14.20
#FFFFFF	14.20	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#062E5D

Deuteranopia (green-blind)

#00285A

Tritanopia (blue-blind)

#00343D

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #11285b;
/* rgb */ color: rgb(17, 40, 91);
/* oklch */ color: oklch(29.2% 0.096 263.4);

Tailwind

colors: {
  custom: {
    50: '#5c618a',
    500: '#11285b',
    950: '#000000',
  },
}

SCSS

$custom: #11285b;
$custom-light: #5c618a;
$custom-dark: #000000;

JSON

{
  "hex": "#11285b",
  "rgb": {
    "r": 17,
    "g": 40,
    "b": 91
  },
  "hsl": {
    "h": 221.351,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.29223,
    "c": 0.09629,
    "h": 263.4
  },
  "luminance": 0.02392
}

Semantic roles & 50–950 ramp

primary

#11285B

secondary

#947634

accent

#B53CEB

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04050C

muted

#79797D

Preview Lab

Preview with #11285B

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

Preview Lab → · Contrast checker → · Palette generator →