#171574#171574

#171574 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.6% C 0.153 H 272.0°. Best body text is #FFFFFF at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#171574
RGB	rgb(23, 21, 116)
HSL	hsl(241, 69%, 27%)
HSV	hsv(241, 82%, 45%)
CMYK	cmyk(80.2%, 81.9%, 0%, 54.5%)
CIE-LAB	lab(15.38, 35.32, -52.97)
CIE-LCH	lch(15.38, 63.66, 303.69°)
OKLab	oklab(28.58% 0.0053 -0.1533)
OKLCH	oklch(28.58% 0.153 272)
XYZ	xyz(3.7728, 1.9790, 16.7028)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171574 #727415

analogous

#154374 #171574 #471574

triadic

#171574 #741715 #157417

tetradic

#171574 #741543 #727415 #157447

square

#171574 #741543 #727415 #157447

split-complementary

#171574 #744715 #437415

monochromatic

#05051A #0D0C40 #171574 #211EA8 #2E2BD9

Accessibility & contrast

On white

15.05

#171574 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#171574 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171574

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171574	#FFFFFF	#000000	##FFFFFF
##171574	1.00	15.05	1.40	15.05
#FFFFFF	15.05	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B77

Deuteranopia (green-blind)

#002272

Tritanopia (blue-blind)

#003244

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #171574;
/* rgb */ color: rgb(23, 21, 116);
/* oklch */ color: oklch(28.6% 0.153 272.0);

Tailwind

colors: {
  custom: {
    50: '#67549d',
    500: '#171574',
    950: '#000000',
  },
}

SCSS

$custom: #171574;
$custom-light: #67549d;
$custom-dark: #000000;

JSON

{
  "hex": "#171574",
  "rgb": {
    "r": 23,
    "g": 21,
    "b": 116
  },
  "hsl": {
    "h": 241.263,
    "s": 69.343,
    "l": 26.863
  },
  "oklch": {
    "l": 0.28578,
    "c": 0.1534,
    "h": 272
  },
  "luminance": 0.01979
}

Semantic roles & 50–950 ramp

primary

#171574

secondary

#A8AA3B

accent

#EC3CE8

background

#F6F5F9

surface

#EBE8F2

border

#C6C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #171574

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

Preview Lab → · Contrast checker → · Palette generator →