#171045#171045

#171045 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.3% C 0.094 H 281.5°. Best body text is #FFFFFF at 17.55:1 contrast (WCAG AA passes).

Color values

HEX	#171045
RGB	rgb(23, 16, 69)
HSL	hsl(248, 62%, 17%)
HSV	hsv(248, 77%, 27%)
CMYK	cmyk(66.7%, 76.8%, 0%, 72.9%)
CIE-LAB	lab(8.84, 21.39, -32.13)
CIE-LCH	lch(8.84, 38.60, 303.66°)
OKLab	oklab(22.33% 0.0189 -0.0925)
OKLCH	oklch(22.33% 0.094 281.5)
XYZ	xyz(1.6125, 0.9823, 5.7337)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171045 #3E4510

analogous

#102445 #171045 #321045

triadic

#171045 #451710 #104517

tetradic

#171045 #451024 #3E4510 #104532

square

#171045 #451024 #3E4510 #104532

split-complementary

#171045 #453210 #244510

monochromatic

#080619 #080619 #171045 #281C77 #3827A8

Accessibility & contrast

On white

17.55

#171045 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#171045 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171045

17.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171045	#FFFFFF	#000000	##FFFFFF
##171045	1.00	17.55	1.20	17.55
#FFFFFF	17.55	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B47

Deuteranopia (green-blind)

#001744

Tritanopia (blue-blind)

#001E29

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #171045;
/* rgb */ color: rgb(23, 16, 69);
/* oklch */ color: oklch(22.3% 0.094 281.5);

Tailwind

colors: {
  custom: {
    50: '#5b4e79',
    500: '#171045',
    950: '#000000',
  },
}

SCSS

$custom: #171045;
$custom-light: #5b4e79;
$custom-dark: #000000;

JSON

{
  "hex": "#171045",
  "rgb": {
    "r": 23,
    "g": 16,
    "b": 69
  },
  "hsl": {
    "h": 247.925,
    "s": 62.353,
    "l": 16.667
  },
  "oklch": {
    "l": 0.22332,
    "c": 0.09446,
    "h": 281.5
  },
  "luminance": 0.00982
}

Semantic roles & 50–950 ramp

primary

#171045

secondary

#757F32

accent

#E542D0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #171045

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

Preview Lab → · Contrast checker → · Palette generator →