#183968#183968

#183968 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.7% C 0.091 H 257.7°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#183968
RGB	rgb(24, 57, 104)
HSL	hsl(215, 63%, 25%)
HSV	hsv(215, 77%, 41%)
CMYK	cmyk(76.9%, 45.2%, 0%, 59.2%)
CIE-LAB	lab(24.06, 6.00, -31.05)
CIE-LCH	lch(24.06, 31.62, 280.93°)
OKLab	oklab(34.71% -0.0194 -0.0888)
OKLCH	oklch(34.71% 0.091 257.7)
XYZ	xyz(4.3376, 4.1194, 13.6605)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183968 #684718

analogous

#186168 #183968 #1F1868

triadic

#183968 #681839 #396818

tetradic

#183968 #681861 #684718 #18681F

square

#183968 #681861 #684718 #18681F

split-complementary

#183968 #681F18 #616818

monochromatic

#060E19 #0D1E36 #183968 #23549A #2F70CB

Accessibility & contrast

On white

11.51

#183968 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#183968 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183968

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183968	#FFFFFF	#000000	##FFFFFF
##183968	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223D6A

Deuteranopia (green-blind)

#143667

Tritanopia (blue-blind)

#00444B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #183968;
/* rgb */ color: rgb(24, 57, 104);
/* oklch */ color: oklch(34.7% 0.091 257.7);

Tailwind

colors: {
  custom: {
    50: '#616e93',
    500: '#183968',
    950: '#000000',
  },
}

SCSS

$custom: #183968;
$custom-light: #616e93;
$custom-dark: #000000;

JSON

{
  "hex": "#183968",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 104
  },
  "hsl": {
    "h": 215.25,
    "s": 62.5,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34706,
    "c": 0.09088,
    "h": 257.7
  },
  "luminance": 0.0412
}

Semantic roles & 50–950 ramp

primary

#183968

secondary

#9E763E

accent

#A242E6

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #183968

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

Preview Lab → · Contrast checker → · Palette generator →