#17144F#17144F

#17144F is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.1% C 0.104 H 277.5°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#17144F
RGB	rgb(23, 20, 79)
HSL	hsl(243, 60%, 19%)
HSV	hsv(243, 75%, 31%)
CMYK	cmyk(70.9%, 74.7%, 0%, 69%)
CIE-LAB	lab(10.90, 22.43, -35.72)
CIE-LCH	lch(10.90, 42.17, 302.12°)
OKLab	oklab(24.13% 0.0135 -0.1031)
OKLCH	oklch(24.13% 0.104 277.5)
XYZ	xyz(2.0143, 1.2468, 7.5301)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17144F #4C4F14

analogous

#142F4F #17144F #35144F

triadic

#17144F #4F1714 #144F17

tetradic

#17144F #4F142F #4C4F14 #144F35

square

#17144F #4F142F #4C4F14 #144F35

split-complementary

#17144F #4F3514 #2F4F14

monochromatic

#070618 #09081E #17144F #252080 #332DB1

Accessibility & contrast

On white

16.81

#17144F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#17144F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17144F

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17144F	#FFFFFF	#000000	##FFFFFF
##17144F	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002051

Deuteranopia (green-blind)

#001B4E

Tritanopia (blue-blind)

#00242F

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #17144f;
/* rgb */ color: rgb(23, 20, 79);
/* oklch */ color: oklch(24.1% 0.104 277.5);

Tailwind

colors: {
  custom: {
    50: '#5d5281',
    500: '#17144f',
    950: '#000000',
  },
}

SCSS

$custom: #17144f;
$custom-light: #5d5281;
$custom-dark: #000000;

JSON

{
  "hex": "#17144f",
  "rgb": {
    "r": 23,
    "g": 20,
    "b": 79
  },
  "hsl": {
    "h": 243.051,
    "s": 59.596,
    "l": 19.412
  },
  "oklch": {
    "l": 0.24133,
    "c": 0.10394,
    "h": 277.5
  },
  "luminance": 0.01247
}

Semantic roles & 50–950 ramp

primary

#17144F

secondary

#838738

accent

#E345DB

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #17144F

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

Preview Lab → · Contrast checker → · Palette generator →