#11173F#11173F

#11173F is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.7% C 0.076 H 272.4°. Best body text is #FFFFFF at 17.24:1 contrast (WCAG AA passes).

Color values

HEX	#11173F
RGB	rgb(17, 23, 63)
HSL	hsl(232, 58%, 16%)
HSV	hsv(232, 73%, 25%)
CMYK	cmyk(73%, 63.5%, 0%, 75.3%)
CIE-LAB	lab(9.73, 12.68, -26.48)
CIE-LCH	lch(9.73, 29.36, 295.59°)
OKLab	oklab(22.67% 0.0032 -0.0761)
OKLCH	oklch(22.67% 0.076 272.4)
XYZ	xyz(1.4345, 1.0907, 4.8366)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11173F #3F3911

analogous

#112E3F #11173F #22113F

triadic

#11173F #3F1117 #173F11

tetradic

#11173F #3F112E #3F3911 #113F22

square

#11173F #3F112E #3F3911 #113F22

split-complementary

#11173F #3F2211 #2E3F11

monochromatic

#070918 #070918 #11173F #1E296F #2B3A9F

Accessibility & contrast

On white

17.24

#11173F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#11173F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11173F

17.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11173F	#FFFFFF	#000000	##FFFFFF
##11173F	1.00	17.24	1.22	17.24
#FFFFFF	17.24	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D40

Deuteranopia (green-blind)

#00193E

Tritanopia (blue-blind)

#002128

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #11173f;
/* rgb */ color: rgb(17, 23, 63);
/* oklch */ color: oklch(22.7% 0.076 272.4);

Tailwind

colors: {
  custom: {
    50: '#555374',
    500: '#11173f',
    950: '#000000',
  },
}

SCSS

$custom: #11173f;
$custom-light: #555374;
$custom-dark: #000000;

JSON

{
  "hex": "#11173f",
  "rgb": {
    "r": 17,
    "g": 23,
    "b": 63
  },
  "hsl": {
    "h": 232.174,
    "s": 57.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.22668,
    "c": 0.07616,
    "h": 272.4
  },
  "luminance": 0.01091
}

Semantic roles & 50–950 ramp

primary

#11173F

secondary

#786F33

accent

#CD47E1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #11173F

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

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