#17154C#17154C

#17154C is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.0% C 0.098 H 277.6°. Best body text is #FFFFFF at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#17154C
RGB	rgb(23, 21, 76)
HSL	hsl(242, 57%, 19%)
HSV	hsv(242, 72%, 30%)
CMYK	cmyk(69.7%, 72.4%, 0%, 70.2%)
CIE-LAB	lab(10.85, 20.57, -33.73)
CIE-LCH	lch(10.85, 39.51, 301.38°)
OKLab	oklab(24% 0.013 -0.0972)
OKLCH	oklch(24% 0.098 277.6)
XYZ	xyz(1.9256, 1.2401, 6.9740)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17154C #4A4C15

analogous

#152F4C #17154C #33154C

triadic

#17154C #4C1715 #154C17

tetradic

#17154C #4C152F #4A4C15 #154C33

square

#17154C #4C152F #4A4C15 #154C33

split-complementary

#17154C #4C3315 #2F4C15

monochromatic

#070718 #08081C #17154C #26227C #342FAC

Accessibility & contrast

On white

16.83

#17154C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#17154C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17154C

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17154C	#FFFFFF	#000000	##FFFFFF
##17154C	1.00	16.83	1.25	16.83
#FFFFFF	16.83	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4E

Deuteranopia (green-blind)

#001B4B

Tritanopia (blue-blind)

#00232E

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #17154c;
/* rgb */ color: rgb(23, 21, 76);
/* oklch */ color: oklch(24.0% 0.098 277.6);

Tailwind

colors: {
  custom: {
    50: '#5c527f',
    500: '#17154c',
    950: '#000000',
  },
}

SCSS

$custom: #17154c;
$custom-light: #5c527f;
$custom-dark: #000000;

JSON

{
  "hex": "#17154c",
  "rgb": {
    "r": 23,
    "g": 21,
    "b": 76
  },
  "hsl": {
    "h": 242.182,
    "s": 56.701,
    "l": 19.02
  },
  "oklch": {
    "l": 0.24003,
    "c": 0.09809,
    "h": 277.6
  },
  "luminance": 0.0124
}

Semantic roles & 50–950 ramp

primary

#17154C

secondary

#818439

accent

#E048DA

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #17154C

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

Preview Lab → · Contrast checker → · Palette generator →