#17448B#17448B

#17448B is a dark, vivid blue. Relative luminance 0.062; OKLCH L 39.9% C 0.128 H 259.5°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#17448B
RGB	rgb(23, 68, 139)
HSL	hsl(217, 72%, 32%)
HSV	hsv(217, 83%, 55%)
CMYK	cmyk(83.5%, 51.1%, 0%, 45.5%)
CIE-LAB	lab(29.86, 12.69, -43.79)
CIE-LCH	lch(29.86, 45.59, 286.16°)
OKLab	oklab(39.94% -0.0234 -0.126)
OKLCH	oklch(39.94% 0.128 259.5)
XYZ	xyz(7.0790, 6.1796, 25.2408)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17448B #8B5E17

analogous

#177E8B #17448B #24178B

triadic

#17448B #8B1744 #448B17

tetradic

#17448B #8B177E #8B5E17 #178B24

square

#17448B #8B177E #8B5E17 #178B24

split-complementary

#17448B #8B2417 #7E8B17

monochromatic

#061122 #0E2A56 #17448B #205EC0 #3D7CDF

Accessibility & contrast

On white

9.39

#17448B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#17448B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17448B

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17448B	#FFFFFF	#000000	##FFFFFF
##17448B	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184C8E

Deuteranopia (green-blind)

#00418A

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #17448b;
/* rgb */ color: rgb(23, 68, 139);
/* oklch */ color: oklch(39.9% 0.128 259.5);

Tailwind

colors: {
  custom: {
    50: '#6977ad',
    500: '#17448b',
    950: '#000000',
  },
}

SCSS

$custom: #17448b;
$custom-light: #6977ad;
$custom-dark: #000000;

JSON

{
  "hex": "#17448b",
  "rgb": {
    "r": 23,
    "g": 68,
    "b": 139
  },
  "hsl": {
    "h": 216.724,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39943,
    "c": 0.12819,
    "h": 259.5
  },
  "luminance": 0.0618
}

Semantic roles & 50–950 ramp

primary

#17448B

secondary

#BF8D3F

accent

#A839EE

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #17448B

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

Preview Lab → · Contrast checker → · Palette generator →