#17438E#17438E

#17438E is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.0% C 0.134 H 260.4°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#17438E
RGB	rgb(23, 67, 142)
HSL	hsl(218, 72%, 32%)
HSV	hsv(218, 84%, 56%)
CMYK	cmyk(83.8%, 52.8%, 0%, 44.3%)
CIE-LAB	lab(29.78, 14.62, -45.76)
CIE-LCH	lch(29.78, 48.04, 287.71°)
OKLab	oklab(39.95% -0.0222 -0.1319)
OKLCH	oklch(39.95% 0.134 260.4)
XYZ	xyz(7.2412, 6.1486, 26.3911)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17438E #8E6217

analogous

#177F8E #17438E #26178E

triadic

#17438E #8E1743 #438E17

tetradic

#17438E #8E177F #8E6217 #178E26

square

#17438E #8E177F #8E6217 #178E26

split-complementary

#17438E #8E2617 #7F8E17

monochromatic

#061125 #0E2A59 #17438E #205CC3 #3F7BE0

Accessibility & contrast

On white

9.42

#17438E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#17438E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17438E

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17438E	#FFFFFF	#000000	##FFFFFF
##17438E	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4C91

Deuteranopia (green-blind)

#00418D

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #17438e;
/* rgb */ color: rgb(23, 67, 142);
/* oklch */ color: oklch(40.0% 0.134 260.4);

Tailwind

colors: {
  custom: {
    50: '#6a76b0',
    500: '#17438e',
    950: '#000000',
  },
}

SCSS

$custom: #17438e;
$custom-light: #6a76b0;
$custom-dark: #000000;

JSON

{
  "hex": "#17438e",
  "rgb": {
    "r": 23,
    "g": 67,
    "b": 142
  },
  "hsl": {
    "h": 217.815,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.39954,
    "c": 0.13371,
    "h": 260.4
  },
  "luminance": 0.06149
}

Semantic roles & 50–950 ramp

primary

#17438E

secondary

#C09140

accent

#AC39EF

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #17438E

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

Preview Lab → · Contrast checker → · Palette generator →