#17154A#17154A

#17154A is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.8% C 0.095 H 278.0°. Best body text is #FFFFFF at 16.90:1 contrast (WCAG AA passes).

Color values

HEX	#17154A
RGB	rgb(23, 21, 74)
HSL	hsl(242, 56%, 19%)
HSV	hsv(242, 72%, 29%)
CMYK	cmyk(68.9%, 71.6%, 0%, 71%)
CIE-LAB	lab(10.65, 19.79, -32.67)
CIE-LCH	lch(10.65, 38.20, 301.21°)
OKLab	oklab(23.8% 0.0133 -0.0941)
OKLCH	oklch(23.8% 0.095 278)
XYZ	xyz(1.8571, 1.2128, 6.6135)
Luminance	0.0121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17154A #484A15

analogous

#152D4A #17154A #31154A

triadic

#17154A #4A1715 #154A17

tetradic

#17154A #4A152D #484A15 #154A31

square

#17154A #4A152D #484A15 #154A31

split-complementary

#17154A #4A3115 #2D4A15

monochromatic

#070718 #08071A #17154A #26237A #3530A9

Accessibility & contrast

On white

16.90

#17154A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#17154A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17154A

16.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17154A	#FFFFFF	#000000	##FFFFFF
##17154A	1.00	16.90	1.24	16.90
#FFFFFF	16.90	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4C

Deuteranopia (green-blind)

#001B49

Tritanopia (blue-blind)

#00232D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #17154a;
/* rgb */ color: rgb(23, 21, 74);
/* oklch */ color: oklch(23.8% 0.095 278.0);

Tailwind

colors: {
  custom: {
    50: '#5b527d',
    500: '#17154a',
    950: '#000000',
  },
}

SCSS

$custom: #17154a;
$custom-light: #5b527d;
$custom-dark: #000000;

JSON

{
  "hex": "#17154a",
  "rgb": {
    "r": 23,
    "g": 21,
    "b": 74
  },
  "hsl": {
    "h": 242.264,
    "s": 55.789,
    "l": 18.627
  },
  "oklch": {
    "l": 0.23797,
    "c": 0.09504,
    "h": 278
  },
  "luminance": 0.01213
}

Semantic roles & 50–950 ramp

primary

#17154A

secondary

#7F8239

accent

#DF49D9

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #17154A

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

Preview Lab → · Contrast checker → · Palette generator →