#17458A#17458A

#17458A is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.1% C 0.126 H 258.8°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#17458A
RGB	rgb(23, 69, 138)
HSL	hsl(216, 71%, 32%)
HSV	hsv(216, 83%, 54%)
CMYK	cmyk(83.3%, 50%, 0%, 45.9%)
CIE-LAB	lab(30.09, 11.59, -42.80)
CIE-LCH	lch(30.09, 44.34, 285.15°)
OKLab	oklab(40.1% -0.0243 -0.1231)
OKLCH	oklch(40.1% 0.126 258.8)
XYZ	xyz(7.0672, 6.2725, 24.8781)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17458A #8A5C17

analogous

#177F8A #17458A #23178A

triadic

#17458A #8A1745 #458A17

tetradic

#17458A #8A177F #8A5C17 #178A23

square

#17458A #8A177F #8A5C17 #178A23

split-complementary

#17458A #8A2317 #7F8A17

monochromatic

#061121 #0E2B56 #17458A #205FBE #3D7EDF

Accessibility & contrast

On white

9.31

#17458A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#17458A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17458A

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17458A	#FFFFFF	#000000	##FFFFFF
##17458A	1.00	9.31	2.25	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4C8D

Deuteranopia (green-blind)

#004289

Tritanopia (blue-blind)

#005661

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #17458a;
/* rgb */ color: rgb(23, 69, 138);
/* oklch */ color: oklch(40.1% 0.126 258.8);

Tailwind

colors: {
  custom: {
    50: '#6978ad',
    500: '#17458a',
    950: '#000000',
  },
}

SCSS

$custom: #17458a;
$custom-light: #6978ad;
$custom-dark: #000000;

JSON

{
  "hex": "#17458a",
  "rgb": {
    "r": 23,
    "g": 69,
    "b": 138
  },
  "hsl": {
    "h": 216,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.40095,
    "c": 0.1255,
    "h": 258.8
  },
  "luminance": 0.06273
}

Semantic roles & 50–950 ramp

primary

#17458A

secondary

#BE8B3F

accent

#A63AEE

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #17458A

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

Preview Lab → · Contrast checker → · Palette generator →