#17244B#17244B

#17244B is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.2% C 0.074 H 267.5°. Best body text is #FFFFFF at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#17244B
RGB	rgb(23, 36, 75)
HSL	hsl(225, 53%, 19%)
HSV	hsv(225, 69%, 29%)
CMYK	cmyk(69.3%, 52%, 0%, 70.6%)
CIE-LAB	lab(15.23, 9.03, -25.94)
CIE-LCH	lch(15.23, 27.47, 289.19°)
OKLab	oklab(27.25% -0.0033 -0.0741)
OKLCH	oklch(27.25% 0.074 267.5)
XYZ	xyz(2.2538, 1.9517, 6.9132)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17244B #4B3E17

analogous

#173E4B #17244B #24174B

triadic

#17244B #4B1724 #244B17

tetradic

#17244B #4B173E #4B3E17 #174B24

square

#17244B #4B173E #4B3E17 #174B24

split-complementary

#17244B #4B2417 #3E4B17

monochromatic

#070B17 #090E1C #17244B #253A7A #3451A9

Accessibility & contrast

On white

15.10

#17244B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#17244B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17244B

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17244B	#FFFFFF	#000000	##FFFFFF
##17244B	1.00	15.10	1.39	15.10
#FFFFFF	15.10	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11294C

Deuteranopia (green-blind)

#08244A

Tritanopia (blue-blind)

#002D33

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #17244b;
/* rgb */ color: rgb(23, 36, 75);
/* oklch */ color: oklch(27.2% 0.074 267.5);

Tailwind

colors: {
  custom: {
    50: '#5a5e7d',
    500: '#17244b',
    950: '#000000',
  },
}

SCSS

$custom: #17244b;
$custom-light: #5a5e7d;
$custom-dark: #000000;

JSON

{
  "hex": "#17244b",
  "rgb": {
    "r": 23,
    "g": 36,
    "b": 75
  },
  "hsl": {
    "h": 225,
    "s": 53.061,
    "l": 19.216
  },
  "oklch": {
    "l": 0.27247,
    "c": 0.07422,
    "h": 267.5
  },
  "luminance": 0.01952
}

Semantic roles & 50–950 ramp

primary

#17244B

secondary

#82713C

accent

#B84BDC

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #17244B

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

Preview Lab → · Contrast checker → · Palette generator →