#18197E#18197E

#18197E is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.4% C 0.162 H 271.0°. Best body text is #FFFFFF at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#18197E
RGB	rgb(24, 25, 126)
HSL	hsl(239, 68%, 29%)
HSV	hsv(239, 81%, 49%)
CMYK	cmyk(81%, 80.2%, 0%, 50.6%)
CIE-LAB	lab(17.44, 36.60, -55.96)
CIE-LCH	lch(17.44, 66.87, 303.19°)
OKLab	oklab(30.4% 0.0029 -0.162)
OKLCH	oklch(30.4% 0.162 271)
XYZ	xyz(4.4889, 2.3953, 19.9604)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18197E #7E7D18

analogous

#184C7E #18197E #4A187E

triadic

#18197E #7E1819 #197E18

tetradic

#18197E #7E184C #7E7D18 #187E4A

square

#18197E #7E184C #7E7D18 #187E4A

split-complementary

#18197E #7E4A18 #4C7E18

monochromatic

#05051A #0E0F4B #18197E #2223B1 #3739D9

Accessibility & contrast

On white

14.20

#18197E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#18197E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18197E

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18197E	#FFFFFF	#000000	##FFFFFF
##18197E	1.00	14.20	1.48	14.20
#FFFFFF	14.20	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003081

Deuteranopia (green-blind)

#00267C

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #18197e;
/* rgb */ color: rgb(24, 25, 126);
/* oklch */ color: oklch(30.4% 0.162 271.0);

Tailwind

colors: {
  custom: {
    50: '#6958a5',
    500: '#18197e',
    950: '#000000',
  },
}

SCSS

$custom: #18197e;
$custom-light: #6958a5;
$custom-dark: #000000;

JSON

{
  "hex": "#18197e",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 126
  },
  "hsl": {
    "h": 239.412,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.30396,
    "c": 0.16207,
    "h": 271
  },
  "luminance": 0.02396
}

Semantic roles & 50–950 ramp

primary

#18197E

secondary

#B2B13F

accent

#E93DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #18197E

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

Preview Lab → · Contrast checker → · Palette generator →