#183365#183365

#183365 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.0% C 0.094 H 261.5°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#183365
RGB	rgb(24, 51, 101)
HSL	hsl(219, 62%, 25%)
HSV	hsv(219, 76%, 40%)
CMYK	cmyk(76.2%, 49.5%, 0%, 60.4%)
CIE-LAB	lab(21.95, 9.01, -32.49)
CIE-LCH	lch(21.95, 33.72, 285.50°)
OKLab	oklab(33.01% -0.014 -0.0931)
OKLCH	oklch(33.01% 0.094 261.5)
XYZ	xyz(3.9086, 3.5010, 12.7792)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183365 #654A18

analogous

#185A65 #183365 #241865

triadic

#183365 #651833 #336518

tetradic

#183365 #65185A #654A18 #186524

square

#183365 #65185A #654A18 #186524

split-complementary

#183365 #652418 #5A6518

monochromatic

#060C19 #0C1A34 #183365 #244C96 #3065C8

Accessibility & contrast

On white

12.35

#183365 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#183365 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183365

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183365	#FFFFFF	#000000	##FFFFFF
##183365	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193867

Deuteranopia (green-blind)

#073164

Tritanopia (blue-blind)

#003F47

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #183365;
/* rgb */ color: rgb(24, 51, 101);
/* oklch */ color: oklch(33.0% 0.094 261.5);

Tailwind

colors: {
  custom: {
    50: '#606a91',
    500: '#183365',
    950: '#000000',
  },
}

SCSS

$custom: #183365;
$custom-light: #606a91;
$custom-dark: #000000;

JSON

{
  "hex": "#183365",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 101
  },
  "hsl": {
    "h": 218.961,
    "s": 61.6,
    "l": 24.51
  },
  "oklch": {
    "l": 0.33008,
    "c": 0.09419,
    "h": 261.5
  },
  "luminance": 0.03501
}

Semantic roles & 50–950 ramp

primary

#183365

secondary

#9B7A3E

accent

#AC43E5

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060D

muted

#7A7A7D

Preview Lab

Preview with #183365

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

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