#182F56#182F56

#182F56 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 30.9% C 0.076 H 260.3°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#182F56
RGB	rgb(24, 47, 86)
HSL	hsl(218, 56%, 22%)
HSV	hsv(218, 72%, 34%)
CMYK	cmyk(72.1%, 45.3%, 0%, 66.3%)
CIE-LAB	lab(19.63, 5.68, -26.32)
CIE-LCH	lch(19.63, 26.93, 282.18°)
OKLab	oklab(30.89% -0.0128 -0.0751)
OKLCH	oklch(30.89% 0.076 260.3)
XYZ	xyz(3.0723, 2.8988, 9.1999)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F56 #563F18

analogous

#184E56 #182F56 #201856

triadic

#182F56 #56182F #2F5618

tetradic

#182F56 #56184E #563F18 #185620

square

#182F56 #56184E #563F18 #185620

split-complementary

#182F56 #562018 #4E5618

monochromatic

#070D18 #0B1526 #182F56 #254986 #3363B6

Accessibility & contrast

On white

13.29

#182F56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#182F56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F56

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F56	#FFFFFF	#000000	##FFFFFF
##182F56	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3358

Deuteranopia (green-blind)

#132D55

Tritanopia (blue-blind)

#00383E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #182f56;
/* rgb */ color: rgb(24, 47, 86);
/* oklch */ color: oklch(30.9% 0.076 260.3);

Tailwind

colors: {
  custom: {
    50: '#5d6786',
    500: '#182f56',
    950: '#000000',
  },
}

SCSS

$custom: #182f56;
$custom-light: #5d6786;
$custom-dark: #000000;

JSON

{
  "hex": "#182f56",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 86
  },
  "hsl": {
    "h": 217.742,
    "s": 56.364,
    "l": 21.569
  },
  "oklch": {
    "l": 0.30893,
    "c": 0.07617,
    "h": 260.3
  },
  "luminance": 0.02899
}

Semantic roles & 50–950 ramp

primary

#182F56

secondary

#8D6F3D

accent

#A748E0

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #182F56

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

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