#17144D#17144D

#17144D is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.9% C 0.101 H 277.9°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#17144D
RGB	rgb(23, 20, 77)
HSL	hsl(243, 59%, 19%)
HSV	hsv(243, 74%, 30%)
CMYK	cmyk(70.1%, 74%, 0%, 69.8%)
CIE-LAB	lab(10.69, 21.66, -34.68)
CIE-LCH	lch(10.69, 40.89, 301.99°)
OKLab	oklab(23.92% 0.0138 -0.1)
OKLCH	oklch(23.92% 0.101 277.9)
XYZ	xyz(1.9426, 1.2181, 7.1525)
Luminance	0.0122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17144D #4A4D14

analogous

#142E4D #17144D #34144D

triadic

#17144D #4D1714 #144D17

tetradic

#17144D #4D142E #4A4D14 #144D34

square

#17144D #4D142E #4A4D14 #144D34

split-complementary

#17144D #4D3414 #2E4D14

monochromatic

#070618 #08071C #17144D #26217E #342DAE

Accessibility & contrast

On white

16.89

#17144D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#17144D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17144D

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17144D	#FFFFFF	#000000	##FFFFFF
##17144D	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4F

Deuteranopia (green-blind)

#001A4C

Tritanopia (blue-blind)

#00232E

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #17144d;
/* rgb */ color: rgb(23, 20, 77);
/* oklch */ color: oklch(23.9% 0.101 277.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#17144d",
  "rgb": {
    "r": 23,
    "g": 20,
    "b": 77
  },
  "hsl": {
    "h": 243.158,
    "s": 58.763,
    "l": 19.02
  },
  "oklch": {
    "l": 0.23919,
    "c": 0.10097,
    "h": 277.9
  },
  "luminance": 0.01218
}

Semantic roles & 50–950 ramp

primary

#17144D

secondary

#818538

accent

#E246DA

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #17144D

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

Preview Lab → · Contrast checker → · Palette generator →