#17133B#17133B

#17133B is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.9% C 0.074 H 282.9°. Best body text is #FFFFFF at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#17133B
RGB	rgb(23, 19, 59)
HSL	hsl(246, 51%, 15%)
HSV	hsv(246, 68%, 23%)
CMYK	cmyk(61%, 67.8%, 0%, 76.9%)
CIE-LAB	lab(8.68, 15.44, -25.29)
CIE-LCH	lch(8.68, 29.63, 301.42°)
OKLab	oklab(21.92% 0.0166 -0.0724)
OKLCH	oklch(21.92% 0.074 282.9)
XYZ	xyz(1.3754, 0.9636, 4.2503)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17133B #373B13

analogous

#13233B #17133B #2B133B

triadic

#17133B #3B1713 #133B17

tetradic

#17133B #3B1323 #373B13 #133B2B

square

#17133B #3B1323 #373B13 #133B2B

split-complementary

#17133B #3B2B13 #233B13

monochromatic

#090717 #090717 #17133B #292269 #3B3198

Accessibility & contrast

On white

17.61

#17133B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#17133B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17133B

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17133B	#FFFFFF	#000000	##FFFFFF
##17133B	1.00	17.61	1.19	17.61
#FFFFFF	17.61	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3C

Deuteranopia (green-blind)

#00183A

Tritanopia (blue-blind)

#081C24

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #17133b;
/* rgb */ color: rgb(23, 19, 59);
/* oklch */ color: oklch(21.9% 0.074 282.9);

Tailwind

colors: {
  custom: {
    50: '#585071',
    500: '#17133b',
    950: '#000000',
  },
}

SCSS

$custom: #17133b;
$custom-light: #585071;
$custom-dark: #000000;

JSON

{
  "hex": "#17133b",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 59
  },
  "hsl": {
    "h": 246,
    "s": 51.282,
    "l": 15.294
  },
  "oklch": {
    "l": 0.21916,
    "c": 0.07431,
    "h": 282.9
  },
  "luminance": 0.00964
}

Semantic roles & 50–950 ramp

primary

#17133B

secondary

#6D7336

accent

#DB4DCD

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #17133B

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

Preview Lab → · Contrast checker → · Palette generator →