#18154E#18154E

#18154E is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.3% C 0.101 H 278.1°. Best body text is #FFFFFF at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#18154E
RGB	rgb(24, 21, 78)
HSL	hsl(243, 58%, 19%)
HSV	hsv(243, 73%, 31%)
CMYK	cmyk(69.2%, 73.1%, 0%, 69.4%)
CIE-LAB	lab(11.14, 21.52, -34.63)
CIE-LCH	lch(11.14, 40.77, 301.85°)
OKLab	oklab(24.3% 0.0143 -0.0998)
OKLCH	oklch(24.3% 0.101 278.1)
XYZ	xyz(2.0196, 1.2804, 7.3470)
Luminance	0.0128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18154E #4B4E15

analogous

#152F4E #18154E #35154E

triadic

#18154E #4E1815 #154E18

tetradic

#18154E #4E152F #4B4E15 #154E35

square

#18154E #4E152F #4B4E15 #154E35

split-complementary

#18154E #4E3515 #2F4E15

monochromatic

#070618 #09081E #18154E #27227E #362FAE

Accessibility & contrast

On white

16.72

#18154E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#18154E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18154E

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18154E	#FFFFFF	#000000	##FFFFFF
##18154E	1.00	16.72	1.26	16.72
#FFFFFF	16.72	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002050

Deuteranopia (green-blind)

#001B4D

Tritanopia (blue-blind)

#00242F

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #18154e;
/* rgb */ color: rgb(24, 21, 78);
/* oklch */ color: oklch(24.3% 0.101 278.1);

Tailwind

colors: {
  custom: {
    50: '#5d5280',
    500: '#18154e',
    950: '#000000',
  },
}

SCSS

$custom: #18154e;
$custom-light: #5d5280;
$custom-dark: #000000;

JSON

{
  "hex": "#18154e",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 78
  },
  "hsl": {
    "h": 243.158,
    "s": 57.576,
    "l": 19.412
  },
  "oklch": {
    "l": 0.24296,
    "c": 0.10086,
    "h": 278.1
  },
  "luminance": 0.01281
}

Semantic roles & 50–950 ramp

primary

#18154E

secondary

#828639

accent

#E147D9

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #18154E

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

Preview Lab → · Contrast checker → · Palette generator →