#11153B#11153B

#11153B is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.8% C 0.073 H 274.2°. Best body text is #FFFFFF at 17.58:1 contrast (WCAG AA passes).

Color values

HEX	#11153B
RGB	rgb(17, 21, 59)
HSL	hsl(234, 55%, 15%)
HSV	hsv(234, 71%, 23%)
CMYK	cmyk(71.2%, 64.4%, 0%, 76.9%)
CIE-LAB	lab(8.75, 12.54, -25.21)
CIE-LCH	lch(8.75, 28.15, 296.46°)
OKLab	oklab(21.83% 0.0053 -0.0724)
OKLCH	oklch(21.83% 0.073 274.2)
XYZ	xyz(1.2885, 0.9712, 4.2564)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11153B #3B3711

analogous

#112A3B #11153B #22113B

triadic

#11153B #3B1115 #153B11

tetradic

#11153B #3B112A #3B3711 #113B22

square

#11153B #3B112A #3B3711 #113B22

split-complementary

#11153B #3B2211 #2A3B11

monochromatic

#070818 #070818 #11153B #1F266B #2C379A

Accessibility & contrast

On white

17.58

#11153B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#11153B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11153B

17.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11153B	#FFFFFF	#000000	##FFFFFF
##11153B	1.00	17.58	1.19	17.58
#FFFFFF	17.58	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3C

Deuteranopia (green-blind)

#00173A

Tritanopia (blue-blind)

#001E25

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #11153b;
/* rgb */ color: rgb(17, 21, 59);
/* oklch */ color: oklch(21.8% 0.073 274.2);

Tailwind

colors: {
  custom: {
    50: '#545271',
    500: '#11153b',
    950: '#000000',
  },
}

SCSS

$custom: #11153b;
$custom-light: #545271;
$custom-dark: #000000;

JSON

{
  "hex": "#11153b",
  "rgb": {
    "r": 17,
    "g": 21,
    "b": 59
  },
  "hsl": {
    "h": 234.286,
    "s": 55.263,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21826,
    "c": 0.07257,
    "h": 274.2
  },
  "luminance": 0.00971
}

Semantic roles & 50–950 ramp

primary

#11153B

secondary

#746E33

accent

#D049DF

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #11153B

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

Preview Lab → · Contrast checker → · Palette generator →