#183974#183974

#183974 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.6% C 0.109 H 261.0°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#183974
RGB	rgb(24, 57, 116)
HSL	hsl(218, 66%, 27%)
HSV	hsv(218, 79%, 45%)
CMYK	cmyk(79.3%, 50.9%, 0%, 54.5%)
CIE-LAB	lab(24.89, 10.98, -37.41)
CIE-LCH	lch(24.89, 38.98, 286.35°)
OKLab	oklab(35.61% -0.0171 -0.1075)
OKLCH	oklch(35.61% 0.109 261)
XYZ	xyz(4.9911, 4.3808, 17.1022)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183974 #745318

analogous

#186774 #183974 #251874

triadic

#183974 #741839 #397418

tetradic

#183974 #741867 #745318 #187425

square

#183974 #741867 #745318 #187425

split-complementary

#183974 #742518 #677418

monochromatic

#050C19 #0E2041 #183974 #2252A7 #326CD5

Accessibility & contrast

On white

11.19

#183974 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#183974 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183974

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183974	#FFFFFF	#000000	##FFFFFF
##183974	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174076

Deuteranopia (green-blind)

#003773

Tritanopia (blue-blind)

#004751

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #183974;
/* rgb */ color: rgb(24, 57, 116);
/* oklch */ color: oklch(35.6% 0.109 261.0);

Tailwind

colors: {
  custom: {
    50: '#646e9c',
    500: '#183974',
    950: '#000000',
  },
}

SCSS

$custom: #183974;
$custom-light: #646e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#183974",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 116
  },
  "hsl": {
    "h": 218.478,
    "s": 65.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.35612,
    "c": 0.10882,
    "h": 261
  },
  "luminance": 0.04381
}

Semantic roles & 50–950 ramp

primary

#183974

secondary

#A9833F

accent

#AC3FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #183974

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

Preview Lab → · Contrast checker → · Palette generator →