#18197F#18197F

#18197F is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.5% C 0.163 H 270.9°. Best body text is #FFFFFF at 14.15:1 contrast (WCAG AA passes).

Color values

HEX	#18197F
RGB	rgb(24, 25, 127)
HSL	hsl(239, 68%, 30%)
HSV	hsv(239, 81%, 50%)
CMYK	cmyk(81.1%, 80.3%, 0%, 50.2%)
CIE-LAB	lab(17.56, 36.95, -56.40)
CIE-LCH	lch(17.56, 67.43, 303.23°)
OKLab	oklab(30.52% 0.0027 -0.1633)
OKLCH	oklch(30.52% 0.163 270.9)
XYZ	xyz(4.5538, 2.4212, 20.3019)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18197F #7F7E18

analogous

#184D7F #18197F #4A187F

triadic

#18197F #7F1819 #197F18

tetradic

#18197F #7F184D #7F7E18 #187F4A

square

#18197F #7F184D #7F7E18 #187F4A

split-complementary

#18197F #7F4A18 #4D7F18

monochromatic

#05051A #0E0F4C #18197F #2223B2 #383AD9

Accessibility & contrast

On white

14.15

#18197F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#18197F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18197F

14.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18197F	#FFFFFF	#000000	##FFFFFF
##18197F	1.00	14.15	1.48	14.15
#FFFFFF	14.15	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003082

Deuteranopia (green-blind)

#00267D

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #18197f;
/* rgb */ color: rgb(24, 25, 127);
/* oklch */ color: oklch(30.5% 0.163 270.9);

Tailwind

colors: {
  custom: {
    50: '#6a58a5',
    500: '#18197f',
    950: '#000000',
  },
}

SCSS

$custom: #18197f;
$custom-light: #6a58a5;
$custom-dark: #000000;

JSON

{
  "hex": "#18197f",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 127
  },
  "hsl": {
    "h": 239.417,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.30516,
    "c": 0.16332,
    "h": 270.9
  },
  "luminance": 0.02422
}

Semantic roles & 50–950 ramp

primary

#18197F

secondary

#B3B23F

accent

#E93DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #18197F

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

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