#18177F#18177F

#18177F is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.2% C 0.165 H 271.2°. Best body text is #FFFFFF at 14.31:1 contrast (WCAG AA passes).

Color values

HEX	#18177F
RGB	rgb(24, 23, 127)
HSL	hsl(241, 69%, 29%)
HSV	hsv(241, 82%, 50%)
CMYK	cmyk(81.1%, 81.9%, 0%, 50.2%)
CIE-LAB	lab(17.17, 38.06, -57.04)
CIE-LCH	lch(17.17, 68.57, 303.72°)
OKLab	oklab(30.25% 0.0033 -0.1651)
OKLCH	oklch(30.25% 0.165 271.2)
XYZ	xyz(4.5126, 2.3388, 20.2882)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18177F #7E7F17

analogous

#174A7F #18177F #4C177F

triadic

#18177F #7F1817 #177F18

tetradic

#18177F #7F174A #7E7F17 #177F4C

square

#18177F #7F174A #7E7F17 #177F4C

split-complementary

#18177F #7F4C17 #4A7F17

monochromatic

#05051A #0E0E4B #18177F #2220B3 #3736DB

Accessibility & contrast

On white

14.31

#18177F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#18177F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18177F

14.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18177F	#FFFFFF	#000000	##FFFFFF
##18177F	1.00	14.31	1.47	14.31
#FFFFFF	14.31	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F82

Deuteranopia (green-blind)

#00257D

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #18177f;
/* rgb */ color: rgb(24, 23, 127);
/* oklch */ color: oklch(30.2% 0.165 271.2);

Tailwind

colors: {
  custom: {
    50: '#6a56a5',
    500: '#18177f',
    950: '#000000',
  },
}

SCSS

$custom: #18177f;
$custom-light: #6a56a5;
$custom-dark: #000000;

JSON

{
  "hex": "#18177f",
  "rgb": {
    "r": 24,
    "g": 23,
    "b": 127
  },
  "hsl": {
    "h": 240.577,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.30246,
    "c": 0.16516,
    "h": 271.2
  },
  "luminance": 0.02339
}

Semantic roles & 50–950 ramp

primary

#18177F

secondary

#B2B43E

accent

#EC3CEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #18177F

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

Preview Lab → · Contrast checker → · Palette generator →