#182D52#182D52

#182D52 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.1% C 0.072 H 260.9°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#182D52
RGB	rgb(24, 45, 82)
HSL	hsl(218, 55%, 21%)
HSV	hsv(218, 71%, 32%)
CMYK	cmyk(70.7%, 45.1%, 0%, 67.8%)
CIE-LAB	lab(18.71, 5.48, -25.12)
CIE-LCH	lch(18.71, 25.71, 282.31°)
OKLab	oklab(30.1% -0.0115 -0.0716)
OKLCH	oklch(30.1% 0.072 260.9)
XYZ	xyz(2.8375, 2.6799, 8.3487)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D52 #523D18

analogous

#184A52 #182D52 #201852

triadic

#182D52 #52182D #2D5218

tetradic

#182D52 #52184A #523D18 #185220

square

#182D52 #52184A #523D18 #185220

split-complementary

#182D52 #522018 #4A5218

monochromatic

#070D18 #0A1323 #182D52 #264781 #3461B1

Accessibility & contrast

On white

13.67

#182D52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#182D52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D52

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D52	#FFFFFF	#000000	##FFFFFF
##182D52	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3053

Deuteranopia (green-blind)

#132B51

Tritanopia (blue-blind)

#00353B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182d52;
/* rgb */ color: rgb(24, 45, 82);
/* oklch */ color: oklch(30.1% 0.072 260.9);

Tailwind

colors: {
  custom: {
    50: '#5c6583',
    500: '#182d52',
    950: '#000000',
  },
}

SCSS

$custom: #182d52;
$custom-light: #5c6583;
$custom-dark: #000000;

JSON

{
  "hex": "#182d52",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 82
  },
  "hsl": {
    "h": 218.276,
    "s": 54.717,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30096,
    "c": 0.07248,
    "h": 260.9
  },
  "luminance": 0.0268
}

Semantic roles & 50–950 ramp

primary

#182D52

secondary

#896D3D

accent

#A84ADE

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04050A

muted

#797A7C

Preview Lab

Preview with #182D52

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

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