#11203B#11203B

#11203B is a very dark, muted blue. Relative luminance 0.015; OKLCH L 24.6% C 0.056 H 261.3°. Best body text is #FFFFFF at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#11203B
RGB	rgb(17, 32, 59)
HSL	hsl(219, 55%, 15%)
HSV	hsv(219, 71%, 23%)
CMYK	cmyk(71.2%, 45.8%, 0%, 76.9%)
CIE-LAB	lab(12.40, 4.01, -19.35)
CIE-LCH	lch(12.40, 19.76, 281.72°)
OKLab	oklab(24.61% -0.0084 -0.055)
OKLCH	oklch(24.61% 0.056 261.3)
XYZ	xyz(1.5368, 1.4678, 4.3392)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11203B #3B2C11

analogous

#11353B #11203B #17113B

triadic

#11203B #3B1120 #203B11

tetradic

#11203B #3B1135 #3B2C11 #113B17

square

#11203B #3B1135 #3B2C11 #113B17

split-complementary

#11203B #3B1711 #353B11

monochromatic

#070D18 #070D18 #11203B #1F3A6B #2C549A

Accessibility & contrast

On white

16.23

#11203B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#11203B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11203B

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11203B	#FFFFFF	#000000	##FFFFFF
##11203B	1.00	16.23	1.29	16.23
#FFFFFF	16.23	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14223C

Deuteranopia (green-blind)

#0E1F3A

Tritanopia (blue-blind)

#00262A

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #11203b;
/* rgb */ color: rgb(17, 32, 59);
/* oklch */ color: oklch(24.6% 0.056 261.3);

Tailwind

colors: {
  custom: {
    50: '#545b71',
    500: '#11203b',
    950: '#000000',
  },
}

SCSS

$custom: #11203b;
$custom-light: #545b71;
$custom-dark: #000000;

JSON

{
  "hex": "#11203b",
  "rgb": {
    "r": 17,
    "g": 32,
    "b": 59
  },
  "hsl": {
    "h": 218.571,
    "s": 55.263,
    "l": 14.902
  },
  "oklch": {
    "l": 0.24609,
    "c": 0.05563,
    "h": 261.3
  },
  "luminance": 0.01468
}

Semantic roles & 50–950 ramp

primary

#11203B

secondary

#745D33

accent

#A949DF

background

#F5F5F6

surface

#E8E9EC

border

#C4C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #11203B

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

Preview Lab → · Contrast checker → · Palette generator →