#171977#171977

#171977 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.5% C 0.153 H 271.2°. Best body text is #FFFFFF at 14.57:1 contrast (WCAG AA passes).

Color values

HEX	#171977
RGB	rgb(23, 25, 119)
HSL	hsl(239, 68%, 28%)
HSV	hsv(239, 81%, 47%)
CMYK	cmyk(80.7%, 79%, 0%, 53.3%)
CIE-LAB	lab(16.55, 34.05, -52.96)
CIE-LCH	lch(16.55, 62.96, 302.74°)
OKLab	oklab(29.51% 0.0031 -0.1533)
OKLCH	oklch(29.51% 0.153 271.2)
XYZ	xyz(4.0296, 2.2089, 17.6632)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171977 #777517

analogous

#174977 #171977 #451777

triadic

#171977 #771719 #197717

tetradic

#171977 #771749 #777517 #177745

square

#171977 #771749 #777517 #177745

split-complementary

#171977 #774517 #497717

monochromatic

#05051A #0D0E44 #171977 #2124AA #3135D7

Accessibility & contrast

On white

14.57

#171977 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#171977 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171977

14.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171977	#FFFFFF	#000000	##FFFFFF
##171977	1.00	14.57	1.44	14.57
#FFFFFF	14.57	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7A

Deuteranopia (green-blind)

#002475

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #171977;
/* rgb */ color: rgb(23, 25, 119);
/* oklch */ color: oklch(29.5% 0.153 271.2);

Tailwind

colors: {
  custom: {
    50: '#67579f',
    500: '#171977',
    950: '#000000',
  },
}

SCSS

$custom: #171977;
$custom-light: #67579f;
$custom-dark: #000000;

JSON

{
  "hex": "#171977",
  "rgb": {
    "r": 23,
    "g": 25,
    "b": 119
  },
  "hsl": {
    "h": 238.75,
    "s": 67.606,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29508,
    "c": 0.15338,
    "h": 271.2
  },
  "luminance": 0.02209
}

Semantic roles & 50–950 ramp

primary

#171977

secondary

#ACAA3E

accent

#E73DEA

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030F

muted

#7A787E

Preview Lab

Preview with #171977

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

Preview Lab → · Contrast checker → · Palette generator →