#171845#171845

#171845 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 23.9% C 0.083 H 277.2°. Best body text is #FFFFFF at 16.76:1 contrast (WCAG AA passes).

Color values

HEX	#171845
RGB	rgb(23, 24, 69)
HSL	hsl(239, 50%, 18%)
HSV	hsv(239, 67%, 27%)
CMYK	cmyk(66.7%, 65.2%, 0%, 72.9%)
CIE-LAB	lab(11.03, 15.62, -28.57)
CIE-LCH	lch(11.03, 32.56, 298.67°)
OKLab	oklab(23.93% 0.0103 -0.082)
OKLCH	oklch(23.93% 0.083 277.2)
XYZ	xyz(1.7538, 1.2650, 5.7808)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171845 #454417

analogous

#172F45 #171845 #2D1745

triadic

#171845 #451718 #184517

tetradic

#171845 #45172F #454417 #17452D

square

#171845 #45172F #454417 #17452D

split-complementary

#171845 #452D17 #2F4517

monochromatic

#080817 #080817 #171845 #262873 #3638A1

Accessibility & contrast

On white

16.76

#171845 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#171845 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171845

16.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171845	#FFFFFF	#000000	##FFFFFF
##171845	1.00	16.76	1.25	16.76
#FFFFFF	16.76	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F47

Deuteranopia (green-blind)

#001C44

Tritanopia (blue-blind)

#00232B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #171845;
/* rgb */ color: rgb(23, 24, 69);
/* oklch */ color: oklch(23.9% 0.083 277.2);

Tailwind

colors: {
  custom: {
    50: '#5a5479',
    500: '#171845',
    950: '#000000',
  },
}

SCSS

$custom: #171845;
$custom-light: #5a5479;
$custom-dark: #000000;

JSON

{
  "hex": "#171845",
  "rgb": {
    "r": 23,
    "g": 24,
    "b": 69
  },
  "hsl": {
    "h": 238.696,
    "s": 50,
    "l": 18.039
  },
  "oklch": {
    "l": 0.23928,
    "c": 0.0827,
    "h": 277.2
  },
  "luminance": 0.01265
}

Semantic roles & 50–950 ramp

primary

#171845

secondary

#7C7B3C

accent

#D64EDA

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040209

muted

#79787B

Preview Lab

Preview with #171845

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

Preview Lab → · Contrast checker → · Palette generator →