#18274D#18274D

#18274D is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.2% C 0.073 H 265.7°. Best body text is #FFFFFF at 14.62:1 contrast (WCAG AA passes).

Color values

HEX	#18274D
RGB	rgb(24, 39, 77)
HSL	hsl(223, 52%, 20%)
HSV	hsv(223, 69%, 30%)
CMYK	cmyk(68.8%, 49.4%, 0%, 69.8%)
CIE-LAB	lab(16.41, 7.83, -25.42)
CIE-LCH	lch(16.41, 26.60, 287.13°)
OKLab	oklab(28.21% -0.0054 -0.0725)
OKLCH	oklch(28.21% 0.073 265.7)
XYZ	xyz(2.4413, 2.1808, 7.3120)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18274D #4D3E18

analogous

#18424D #18274D #24184D

triadic

#18274D #4D1827 #274D18

tetradic

#18274D #4D1842 #4D3E18 #184D24

square

#18274D #4D1842 #4D3E18 #184D24

split-complementary

#18274D #4D2418 #424D18

monochromatic

#070C17 #090F1E #18274D #273F7C #3556AA

Accessibility & contrast

On white

14.62

#18274D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#18274D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18274D

14.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18274D	#FFFFFF	#000000	##FFFFFF
##18274D	1.00	14.62	1.44	14.62
#FFFFFF	14.62	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#152B4E

Deuteranopia (green-blind)

#0D264C

Tritanopia (blue-blind)

#003036

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #18274d;
/* rgb */ color: rgb(24, 39, 77);
/* oklch */ color: oklch(28.2% 0.073 265.7);

Tailwind

colors: {
  custom: {
    50: '#5b607f',
    500: '#18274d',
    950: '#000000',
  },
}

SCSS

$custom: #18274d;
$custom-light: #5b607f;
$custom-dark: #000000;

JSON

{
  "hex": "#18274d",
  "rgb": {
    "r": 24,
    "g": 39,
    "b": 77
  },
  "hsl": {
    "h": 223.019,
    "s": 52.475,
    "l": 19.804
  },
  "oklch": {
    "l": 0.28211,
    "c": 0.07274,
    "h": 265.7
  },
  "luminance": 0.02181
}

Semantic roles & 50–950 ramp

primary

#18274D

secondary

#84703D

accent

#B34CDC

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #18274D

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

Preview Lab → · Contrast checker → · Palette generator →