#18153C#18153C

#18153C is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.5% C 0.072 H 282.4°. Best body text is #FFFFFF at 17.34:1 contrast (WCAG AA passes).

Color values

HEX	#18153C
RGB	rgb(24, 21, 60)
HSL	hsl(245, 48%, 16%)
HSV	hsv(245, 65%, 24%)
CMYK	cmyk(60%, 65%, 0%, 76.5%)
CIE-LAB	lab(9.46, 14.58, -24.75)
CIE-LCH	lch(9.46, 28.72, 300.50°)
OKLab	oklab(22.54% 0.0155 -0.0708)
OKLCH	oklch(22.54% 0.072 282.4)
XYZ	xyz(1.4602, 1.0567, 4.4011)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18153C #393C15

analogous

#15253C #18153C #2B153C

triadic

#18153C #3C1815 #153C18

tetradic

#18153C #3C1525 #393C15 #153C2B

square

#18153C #3C1525 #393C15 #153C2B

split-complementary

#18153C #3C2B15 #253C15

monochromatic

#090817 #090817 #18153C #2A2569 #3C3597

Accessibility & contrast

On white

17.34

#18153C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#18153C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18153C

17.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18153C	#FFFFFF	#000000	##FFFFFF
##18153C	1.00	17.34	1.21	17.34
#FFFFFF	17.34	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C3D

Deuteranopia (green-blind)

#00193B

Tritanopia (blue-blind)

#091E26

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #18153c;
/* rgb */ color: rgb(24, 21, 60);
/* oklch */ color: oklch(22.5% 0.072 282.4);

Tailwind

colors: {
  custom: {
    50: '#595272',
    500: '#18153c',
    950: '#000000',
  },
}

SCSS

$custom: #18153c;
$custom-light: #595272;
$custom-dark: #000000;

JSON

{
  "hex": "#18153c",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 60
  },
  "hsl": {
    "h": 244.615,
    "s": 48.148,
    "l": 15.882
  },
  "oklch": {
    "l": 0.22538,
    "c": 0.07249,
    "h": 282.4
  },
  "luminance": 0.01057
}

Semantic roles & 50–950 ramp

primary

#18153C

secondary

#6F7439

accent

#D850CD

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040208

muted

#79787B

Preview Lab

Preview with #18153C

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

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