#11223B#11223B

#11223B is a dark, muted blue. Relative luminance 0.016; OKLCH L 25.2% C 0.053 H 258.0°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#11223B
RGB	rgb(17, 34, 59)
HSL	hsl(216, 55%, 15%)
HSV	hsv(216, 71%, 23%)
CMYK	cmyk(71.2%, 42.4%, 0%, 76.9%)
CIE-LAB	lab(13.10, 2.50, -18.24)
CIE-LCH	lch(13.10, 18.41, 277.82°)
OKLab	oklab(25.15% -0.011 -0.0517)
OKLCH	oklch(25.15% 0.053 258)
XYZ	xyz(1.5923, 1.5788, 4.3577)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11223B #3B2A11

analogous

#11373B #11223B #15113B

triadic

#11223B #3B1122 #223B11

tetradic

#11223B #3B1137 #3B2A11 #113B15

square

#11223B #3B1137 #3B2A11 #113B15

split-complementary

#11223B #3B1511 #373B11

monochromatic

#070E18 #070E18 #11223B #1F3D6B #2C599A

Accessibility & contrast

On white

15.96

#11223B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#11223B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11223B

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11223B	#FFFFFF	#000000	##FFFFFF
##11223B	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17243C

Deuteranopia (green-blind)

#12203A

Tritanopia (blue-blind)

#00282B

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #11223b;
/* rgb */ color: rgb(17, 34, 59);
/* oklch */ color: oklch(25.2% 0.053 258.0);

Tailwind

colors: {
  custom: {
    50: '#545c71',
    500: '#11223b',
    950: '#000000',
  },
}

SCSS

$custom: #11223b;
$custom-light: #545c71;
$custom-dark: #000000;

JSON

{
  "hex": "#11223b",
  "rgb": {
    "r": 17,
    "g": 34,
    "b": 59
  },
  "hsl": {
    "h": 215.714,
    "s": 55.263,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25151,
    "c": 0.05289,
    "h": 258
  },
  "luminance": 0.01579
}

Semantic roles & 50–950 ramp

primary

#11223B

secondary

#745A33

accent

#A249DF

background

#F5F5F6

surface

#E8E9EC

border

#C4C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #11223B

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

Preview Lab → · Contrast checker → · Palette generator →