#18254B#18254B

#18254B is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.6% C 0.072 H 267.3°. Best body text is #FFFFFF at 14.95:1 contrast (WCAG AA passes).

Color values

HEX	#18254B
RGB	rgb(24, 37, 75)
HSL	hsl(225, 52%, 19%)
HSV	hsv(225, 68%, 29%)
CMYK	cmyk(68%, 50.7%, 0%, 70.6%)
CIE-LAB	lab(15.62, 8.50, -25.32)
CIE-LCH	lch(15.62, 26.71, 288.56°)
OKLab	oklab(27.56% -0.0033 -0.0723)
OKLCH	oklch(27.56% 0.072 267.3)
XYZ	xyz(2.3078, 2.0251, 6.9245)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18254B #4B3E18

analogous

#183F4B #18254B #25184B

triadic

#18254B #4B1825 #254B18

tetradic

#18254B #4B183F #4B3E18 #184B25

square

#18254B #4B183F #4B3E18 #184B25

split-complementary

#18254B #4B2518 #3F4B18

monochromatic

#070B17 #090E1D #18254B #273C79 #3653A8

Accessibility & contrast

On white

14.95

#18254B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#18254B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18254B

14.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18254B	#FFFFFF	#000000	##FFFFFF
##18254B	1.00	14.95	1.41	14.95
#FFFFFF	14.95	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13294C

Deuteranopia (green-blind)

#0B254A

Tritanopia (blue-blind)

#002E34

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #18254b;
/* rgb */ color: rgb(24, 37, 75);
/* oklch */ color: oklch(27.6% 0.072 267.3);

Tailwind

colors: {
  custom: {
    50: '#5b5f7d',
    500: '#18254b',
    950: '#000000',
  },
}

SCSS

$custom: #18254b;
$custom-light: #5b5f7d;
$custom-dark: #000000;

JSON

{
  "hex": "#18254b",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 75
  },
  "hsl": {
    "h": 224.706,
    "s": 51.515,
    "l": 19.412
  },
  "oklch": {
    "l": 0.2756,
    "c": 0.07236,
    "h": 267.3
  },
  "luminance": 0.02025
}

Semantic roles & 50–950 ramp

primary

#18254B

secondary

#82703D

accent

#B74DDB

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #18254B

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

Preview Lab → · Contrast checker → · Palette generator →