#17428E#17428E

#17428E is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.7% C 0.135 H 260.9°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#17428E
RGB	rgb(23, 66, 142)
HSL	hsl(218, 72%, 32%)
HSV	hsv(218, 84%, 56%)
CMYK	cmyk(83.8%, 53.5%, 0%, 44.3%)
CIE-LAB	lab(29.49, 15.31, -46.24)
CIE-LCH	lch(29.49, 48.71, 288.32°)
OKLab	oklab(39.73% -0.0214 -0.1333)
OKLCH	oklch(39.73% 0.135 260.9)
XYZ	xyz(7.1823, 6.0307, 26.3714)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17428E #8E6317

analogous

#177E8E #17428E #27178E

triadic

#17428E #8E1742 #428E17

tetradic

#17428E #8E177E #8E6317 #178E27

square

#17428E #8E177E #8E6317 #178E27

split-complementary

#17428E #8E2717 #7E8E17

monochromatic

#061125 #0E2A59 #17428E #205AC3 #3F79E0

Accessibility & contrast

On white

9.52

#17428E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#17428E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17428E

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17428E	#FFFFFF	#000000	##FFFFFF
##17428E	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4B91

Deuteranopia (green-blind)

#00408D

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #17428e;
/* rgb */ color: rgb(23, 66, 142);
/* oklch */ color: oklch(39.7% 0.135 260.9);

Tailwind

colors: {
  custom: {
    50: '#6a75b0',
    500: '#17428e',
    950: '#000000',
  },
}

SCSS

$custom: #17428e;
$custom-light: #6a75b0;
$custom-dark: #000000;

JSON

{
  "hex": "#17428e",
  "rgb": {
    "r": 23,
    "g": 66,
    "b": 142
  },
  "hsl": {
    "h": 218.319,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.39729,
    "c": 0.135,
    "h": 260.9
  },
  "luminance": 0.06032
}

Semantic roles & 50–950 ramp

primary

#17428E

secondary

#C09240

accent

#AD39EF

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #17428E

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

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