#18274B#18274B

#18274B is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.1% C 0.069 H 265.2°. Best body text is #FFFFFF at 14.68:1 contrast (WCAG AA passes).

Color values

HEX	#18274B
RGB	rgb(24, 39, 75)
HSL	hsl(222, 52%, 19%)
HSV	hsv(222, 68%, 29%)
CMYK	cmyk(68%, 48%, 0%, 70.6%)
CIE-LAB	lab(16.27, 7.01, -24.27)
CIE-LCH	lch(16.27, 25.27, 286.12°)
OKLab	oklab(28.06% -0.0058 -0.0692)
OKLCH	oklch(28.06% 0.069 265.2)
XYZ	xyz(2.3718, 2.1530, 6.9458)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18274B #4B3C18

analogous

#18414B #18274B #23184B

triadic

#18274B #4B1827 #274B18

tetradic

#18274B #4B1841 #4B3C18 #184B23

square

#18274B #4B1841 #4B3C18 #184B23

split-complementary

#18274B #4B2318 #414B18

monochromatic

#070C17 #090F1D #18274B #273F79 #3657A8

Accessibility & contrast

On white

14.68

#18274B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#18274B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18274B

14.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18274B	#FFFFFF	#000000	##FFFFFF
##18274B	1.00	14.68	1.43	14.68
#FFFFFF	14.68	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172B4C

Deuteranopia (green-blind)

#0F264A

Tritanopia (blue-blind)

#002F35

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #18274b;
/* rgb */ color: rgb(24, 39, 75);
/* oklch */ color: oklch(28.1% 0.069 265.2);

Tailwind

colors: {
  custom: {
    50: '#5b607d',
    500: '#18274b',
    950: '#000000',
  },
}

SCSS

$custom: #18274b;
$custom-light: #5b607d;
$custom-dark: #000000;

JSON

{
  "hex": "#18274b",
  "rgb": {
    "r": 24,
    "g": 39,
    "b": 75
  },
  "hsl": {
    "h": 222.353,
    "s": 51.515,
    "l": 19.412
  },
  "oklch": {
    "l": 0.2806,
    "c": 0.06943,
    "h": 265.2
  },
  "luminance": 0.02153
}

Semantic roles & 50–950 ramp

primary

#18274B

secondary

#826E3D

accent

#B14DDB

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #18274B

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

Preview Lab → · Contrast checker → · Palette generator →