#18176D#18176D

#18176D is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.1% C 0.142 H 272.9°. Best body text is #FFFFFF at 15.19:1 contrast (WCAG AA passes).

Color values

HEX	#18176D
RGB	rgb(24, 23, 109)
HSL	hsl(241, 65%, 26%)
HSV	hsv(241, 79%, 43%)
CMYK	cmyk(78%, 78.9%, 0%, 57.3%)
CIE-LAB	lab(15.01, 31.76, -49.02)
CIE-LCH	lch(15.01, 58.41, 302.94°)
OKLab	oklab(28.09% 0.0072 -0.1419)
OKLCH	oklch(28.09% 0.142 272.9)
XYZ	xyz(3.4425, 1.9108, 14.6524)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18176D #6C6D17

analogous

#17416D #18176D #43176D

triadic

#18176D #6D1817 #176D18

tetradic

#18176D #6D1741 #6C6D17 #176D43

square

#18176D #6D1741 #6C6D17 #176D43

split-complementary

#18176D #6D4317 #416D17

monochromatic

#060519 #0D0C3A #18176D #2322A0 #2E2CD2

Accessibility & contrast

On white

15.19

#18176D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#18176D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18176D

15.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18176D	#FFFFFF	#000000	##FFFFFF
##18176D	1.00	15.19	1.38	15.19
#FFFFFF	15.19	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6F

Deuteranopia (green-blind)

#00216B

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #18176d;
/* rgb */ color: rgb(24, 23, 109);
/* oklch */ color: oklch(28.1% 0.142 272.9);

Tailwind

colors: {
  custom: {
    50: '#655598',
    500: '#18176d',
    950: '#000000',
  },
}

SCSS

$custom: #18176d;
$custom-light: #655598;
$custom-dark: #000000;

JSON

{
  "hex": "#18176d",
  "rgb": {
    "r": 24,
    "g": 23,
    "b": 109
  },
  "hsl": {
    "h": 240.698,
    "s": 65.152,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28092,
    "c": 0.14204,
    "h": 272.9
  },
  "luminance": 0.01911
}

Semantic roles & 50–950 ramp

primary

#18176D

secondary

#A2A33D

accent

#E840E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #18176D

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

Preview Lab → · Contrast checker → · Palette generator →