#183776#183776

#183776 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.3% C 0.114 H 262.4°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#183776
RGB	rgb(24, 55, 118)
HSL	hsl(220, 66%, 28%)
HSV	hsv(220, 80%, 46%)
CMYK	cmyk(79.7%, 53.4%, 0%, 53.7%)
CIE-LAB	lab(24.43, 13.22, -39.42)
CIE-LCH	lch(24.43, 41.58, 288.54°)
OKLab	oklab(35.31% -0.0151 -0.1134)
OKLCH	oklch(35.31% 0.114 262.4)
XYZ	xyz(5.0117, 4.2340, 17.6891)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183776 #765718

analogous

#186676 #183776 #281876

triadic

#183776 #761837 #377618

tetradic

#183776 #761866 #765718 #187628

square

#183776 #761866 #765718 #187628

split-complementary

#183776 #762818 #667618

monochromatic

#050C19 #0E1F43 #183776 #224FA9 #3369D5

Accessibility & contrast

On white

11.37

#183776 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#183776 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183776

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183776	#FFFFFF	#000000	##FFFFFF
##183776	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3F78

Deuteranopia (green-blind)

#003675

Tritanopia (blue-blind)

#004651

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #183776;
/* rgb */ color: rgb(24, 55, 118);
/* oklch */ color: oklch(35.3% 0.114 262.4);

Tailwind

colors: {
  custom: {
    50: '#646d9e',
    500: '#183776',
    950: '#000000',
  },
}

SCSS

$custom: #183776;
$custom-light: #646d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#183776",
  "rgb": {
    "r": 24,
    "g": 55,
    "b": 118
  },
  "hsl": {
    "h": 220.213,
    "s": 66.197,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35306,
    "c": 0.11445,
    "h": 262.4
  },
  "luminance": 0.04235
}

Semantic roles & 50–950 ramp

primary

#183776

secondary

#AB873F

accent

#B13FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #183776

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

Preview Lab → · Contrast checker → · Palette generator →