#182D7C#182D7C

#182D7C is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.7% C 0.136 H 267.0°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#182D7C
RGB	rgb(24, 45, 124)
HSL	hsl(227, 68%, 29%)
HSV	hsv(227, 81%, 49%)
CMYK	cmyk(80.6%, 63.7%, 0%, 51.4%)
CIE-LAB	lab(22.04, 22.79, -47.12)
CIE-LCH	lch(22.04, 52.35, 295.81°)
OKLab	oklab(33.66% -0.0071 -0.1362)
OKLCH	oklch(33.66% 0.136 267)
XYZ	xyz(4.9519, 3.5256, 19.4844)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D7C #7C6718

analogous

#185F7C #182D7C #35187C

triadic

#182D7C #7C182D #2D7C18

tetradic

#182D7C #7C185F #7C6718 #187C35

square

#182D7C #7C185F #7C6718 #187C35

split-complementary

#182D7C #7C3518 #5F7C18

monochromatic

#05091A #0E1A49 #182D7C #2240AF #3658D8

Accessibility & contrast

On white

12.32

#182D7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#182D7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D7C

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D7C	#FFFFFF	#000000	##FFFFFF
##182D7C	1.00	12.32	1.71	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7F

Deuteranopia (green-blind)

#00307A

Tritanopia (blue-blind)

#004150

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #182d7c;
/* rgb */ color: rgb(24, 45, 124);
/* oklch */ color: oklch(33.7% 0.136 267.0);

Tailwind

colors: {
  custom: {
    50: '#6765a3',
    500: '#182d7c',
    950: '#000000',
  },
}

SCSS

$custom: #182d7c;
$custom-light: #6765a3;
$custom-dark: #000000;

JSON

{
  "hex": "#182d7c",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 124
  },
  "hsl": {
    "h": 227.4,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33662,
    "c": 0.13643,
    "h": 267
  },
  "luminance": 0.03526
}

Semantic roles & 50–950 ramp

primary

#182D7C

secondary

#B1993F

accent

#C63DEA

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #182D7C

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

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