#17144C#17144C

#17144C is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.8% C 0.099 H 278.1°. Best body text is #FFFFFF at 16.92:1 contrast (WCAG AA passes).

Color values

HEX	#17144C
RGB	rgb(23, 20, 76)
HSL	hsl(243, 58%, 19%)
HSV	hsv(243, 74%, 30%)
CMYK	cmyk(69.7%, 73.7%, 0%, 70.2%)
CIE-LAB	lab(10.59, 21.28, -34.16)
CIE-LCH	lch(10.59, 40.24, 301.92°)
OKLab	oklab(23.81% 0.014 -0.0985)
OKLCH	oklch(23.81% 0.099 278.1)
XYZ	xyz(1.9076, 1.2041, 6.9680)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17144C #494C14

analogous

#142D4C #17144C #33144C

triadic

#17144C #4C1714 #144C17

tetradic

#17144C #4C142D #494C14 #144C33

square

#17144C #4C142D #494C14 #144C33

split-complementary

#17144C #4C3314 #2D4C14

monochromatic

#070618 #08071C #17144C #26217C #342EAD

Accessibility & contrast

On white

16.92

#17144C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#17144C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17144C

16.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17144C	#FFFFFF	#000000	##FFFFFF
##17144C	1.00	16.92	1.24	16.92
#FFFFFF	16.92	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4E

Deuteranopia (green-blind)

#001A4B

Tritanopia (blue-blind)

#00232E

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #17144c;
/* rgb */ color: rgb(23, 20, 76);
/* oklch */ color: oklch(23.8% 0.099 278.1);

Tailwind

colors: {
  custom: {
    50: '#5c527f',
    500: '#17144c',
    950: '#000000',
  },
}

SCSS

$custom: #17144c;
$custom-light: #5c527f;
$custom-dark: #000000;

JSON

{
  "hex": "#17144c",
  "rgb": {
    "r": 23,
    "g": 20,
    "b": 76
  },
  "hsl": {
    "h": 243.214,
    "s": 58.333,
    "l": 18.824
  },
  "oklch": {
    "l": 0.23813,
    "c": 0.09946,
    "h": 278.1
  },
  "luminance": 0.01204
}

Semantic roles & 50–950 ramp

primary

#17144C

secondary

#808438

accent

#E246D9

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #17144C

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

Preview Lab → · Contrast checker → · Palette generator →