#17458E#17458E

#17458E is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.4% C 0.131 H 259.6°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#17458E
RGB	rgb(23, 69, 142)
HSL	hsl(217, 72%, 32%)
HSV	hsv(217, 84%, 56%)
CMYK	cmyk(83.8%, 51.4%, 0%, 44.3%)
CIE-LAB	lab(30.38, 13.24, -44.80)
CIE-LCH	lch(30.38, 46.72, 286.46°)
OKLab	oklab(40.41% -0.0237 -0.129)
OKLCH	oklch(40.41% 0.131 259.6)
XYZ	xyz(7.3622, 6.3905, 26.4314)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17458E #8E6017

analogous

#17808E #17458E #25178E

triadic

#17458E #8E1745 #458E17

tetradic

#17458E #8E1780 #8E6017 #178E25

square

#17458E #8E1780 #8E6017 #178E25

split-complementary

#17458E #8E2517 #808E17

monochromatic

#061225 #0E2B59 #17458E #205FC3 #3F7DE0

Accessibility & contrast

On white

9.22

#17458E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#17458E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17458E

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17458E	#FFFFFF	#000000	##FFFFFF
##17458E	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174D91

Deuteranopia (green-blind)

#00428D

Tritanopia (blue-blind)

#005762

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #17458e;
/* rgb */ color: rgb(23, 69, 142);
/* oklch */ color: oklch(40.4% 0.131 259.6);

Tailwind

colors: {
  custom: {
    50: '#6a78b0',
    500: '#17458e',
    950: '#000000',
  },
}

SCSS

$custom: #17458e;
$custom-light: #6a78b0;
$custom-dark: #000000;

JSON

{
  "hex": "#17458e",
  "rgb": {
    "r": 23,
    "g": 69,
    "b": 142
  },
  "hsl": {
    "h": 216.807,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.40407,
    "c": 0.13116,
    "h": 259.6
  },
  "luminance": 0.06391
}

Semantic roles & 50–950 ramp

primary

#17458E

secondary

#C08F40

accent

#A939EF

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #17458E

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

Preview Lab → · Contrast checker → · Palette generator →