#18479B#18479B

#18479B is a dark, vivid blue. Relative luminance 0.071; OKLCH L 41.9% C 0.147 H 261.0°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#18479B
RGB	rgb(24, 71, 155)
HSL	hsl(218, 73%, 35%)
HSV	hsv(218, 85%, 61%)
CMYK	cmyk(84.5%, 54.2%, 0%, 39.2%)
CIE-LAB	lab(31.96, 17.27, -50.17)
CIE-LCH	lch(31.96, 53.06, 288.99°)
OKLab	oklab(41.93% -0.0229 -0.1447)
OKLCH	oklch(41.93% 0.147 261)
XYZ	xyz(8.5442, 7.0662, 31.9176)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18479B #9B6C18

analogous

#18899B #18479B #2A189B

triadic

#18479B #9B1847 #479B18

tetradic

#18479B #9B1889 #9B6C18 #189B2A

square

#18479B #9B1889 #9B6C18 #189B2A

split-complementary

#18479B #9B2A18 #899B18

monochromatic

#081631 #102F66 #18479B #205FD0 #4A81E3

Accessibility & contrast

On white

8.70

#18479B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#18479B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18479B

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18479B	#FFFFFF	#000000	##FFFFFF
##18479B	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02519E

Deuteranopia (green-blind)

#004699

Tritanopia (blue-blind)

#005C6A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #18479b;
/* rgb */ color: rgb(24, 71, 155);
/* oklch */ color: oklch(41.9% 0.147 261.0);

Tailwind

colors: {
  custom: {
    50: '#6d79b9',
    500: '#18479b',
    950: '#000000',
  },
}

SCSS

$custom: #18479b;
$custom-light: #6d79b9;
$custom-dark: #000000;

JSON

{
  "hex": "#18479b",
  "rgb": {
    "r": 24,
    "g": 71,
    "b": 155
  },
  "hsl": {
    "h": 218.473,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.41928,
    "c": 0.14655,
    "h": 261
  },
  "luminance": 0.07067
}

Semantic roles & 50–950 ramp

primary

#18479B

secondary

#C5994A

accent

#AE38F0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #18479B

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

Preview Lab → · Contrast checker → · Palette generator →