#11174B#11174B

#11174B is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.9% C 0.095 H 271.9°. Best body text is #FFFFFF at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#11174B
RGB	rgb(17, 23, 75)
HSL	hsl(234, 63%, 18%)
HSV	hsv(234, 77%, 29%)
CMYK	cmyk(77.3%, 69.3%, 0%, 70.6%)
CIE-LAB	lab(10.85, 17.73, -33.06)
CIE-LCH	lch(10.85, 37.51, 298.20°)
OKLab	oklab(23.85% 0.0031 -0.0954)
OKLCH	oklch(23.85% 0.095 271.9)
XYZ	xyz(1.8071, 1.2398, 6.7993)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11174B #4B4511

analogous

#11344B #11174B #28114B

triadic

#11174B #4B1117 #174B11

tetradic

#11174B #4B1134 #4B4511 #114B28

square

#11174B #4B1134 #4B4511 #114B28

split-complementary

#11174B #4B2811 #344B11

monochromatic

#060819 #060819 #11174B #1C267D #2836AF

Accessibility & contrast

On white

16.83

#11174B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#11174B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11174B

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11174B	#FFFFFF	#000000	##FFFFFF
##11174B	1.00	16.83	1.25	16.83
#FFFFFF	16.83	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204D

Deuteranopia (green-blind)

#001B4A

Tritanopia (blue-blind)

#00242E

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #11174b;
/* rgb */ color: rgb(17, 23, 75);
/* oklch */ color: oklch(23.9% 0.095 271.9);

Tailwind

colors: {
  custom: {
    50: '#59537e',
    500: '#11174b',
    950: '#000000',
  },
}

SCSS

$custom: #11174b;
$custom-light: #59537e;
$custom-dark: #000000;

JSON

{
  "hex": "#11174b",
  "rgb": {
    "r": 17,
    "g": 23,
    "b": 75
  },
  "hsl": {
    "h": 233.793,
    "s": 63.043,
    "l": 18.039
  },
  "oklch": {
    "l": 0.23851,
    "c": 0.09548,
    "h": 271.9
  },
  "luminance": 0.0124
}

Semantic roles & 50–950 ramp

primary

#11174B

secondary

#847C33

accent

#D542E6

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #11174B

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

Preview Lab → · Contrast checker → · Palette generator →