#18176E#18176E

#18176E is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.2% C 0.143 H 272.8°. Best body text is #FFFFFF at 15.14:1 contrast (WCAG AA passes).

Color values

HEX	#18176E
RGB	rgb(24, 23, 110)
HSL	hsl(241, 65%, 26%)
HSV	hsv(241, 79%, 43%)
CMYK	cmyk(78.2%, 79.1%, 0%, 56.9%)
CIE-LAB	lab(15.13, 32.12, -49.48)
CIE-LCH	lch(15.13, 58.99, 302.99°)
OKLab	oklab(28.21% 0.007 -0.1432)
OKLCH	oklch(28.21% 0.143 272.8)
XYZ	xyz(3.4966, 1.9324, 14.9375)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18176E #6D6E17

analogous

#17416E #18176E #43176E

triadic

#18176E #6E1817 #176E18

tetradic

#18176E #6E1741 #6D6E17 #176E43

square

#18176E #6E1741 #6D6E17 #176E43

split-complementary

#18176E #6E4317 #416E17

monochromatic

#060519 #0D0C3B #18176E #2322A1 #2E2CD3

Accessibility & contrast

On white

15.14

#18176E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#18176E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18176E

15.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18176E	#FFFFFF	#000000	##FFFFFF
##18176E	1.00	15.14	1.39	15.14
#FFFFFF	15.14	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A71

Deuteranopia (green-blind)

#00226C

Tritanopia (blue-blind)

#003141

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #18176e;
/* rgb */ color: rgb(24, 23, 110);
/* oklch */ color: oklch(28.2% 0.143 272.8);

Tailwind

colors: {
  custom: {
    50: '#655599',
    500: '#18176e',
    950: '#000000',
  },
}

SCSS

$custom: #18176e;
$custom-light: #655599;
$custom-dark: #000000;

JSON

{
  "hex": "#18176e",
  "rgb": {
    "r": 24,
    "g": 23,
    "b": 110
  },
  "hsl": {
    "h": 240.69,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28209,
    "c": 0.14336,
    "h": 272.8
  },
  "luminance": 0.01933
}

Semantic roles & 50–950 ramp

primary

#18176E

secondary

#A3A43D

accent

#E83FE6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #18176E

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

Preview Lab → · Contrast checker → · Palette generator →