#182A48#182A48

#182A48 is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.6% C 0.060 H 260.1°. Best body text is #FFFFFF at 14.35:1 contrast (WCAG AA passes).

Color values

HEX	#182A48
RGB	rgb(24, 42, 72)
HSL	hsl(218, 50%, 19%)
HSV	hsv(218, 67%, 28%)
CMYK	cmyk(66.7%, 41.7%, 0%, 71.8%)
CIE-LAB	lab(17.07, 3.60, -20.95)
CIE-LCH	lch(17.07, 21.25, 279.74°)
OKLab	oklab(28.62% -0.0104 -0.0594)
OKLCH	oklch(28.62% 0.06 260.1)
XYZ	xyz(2.3739, 2.3178, 6.4519)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A48 #483618

analogous

#184248 #182A48 #1E1848

triadic

#182A48 #48182A #2A4818

tetradic

#182A48 #481842 #483618 #18481E

square

#182A48 #481842 #483618 #18481E

split-complementary

#182A48 #481E18 #424818

monochromatic

#080D17 #090F1A #182A48 #274576 #3760A4

Accessibility & contrast

On white

14.35

#182A48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#182A48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A48

14.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A48	#FFFFFF	#000000	##FFFFFF
##182A48	1.00	14.35	1.46	14.35
#FFFFFF	14.35	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2C49

Deuteranopia (green-blind)

#172847

Tritanopia (blue-blind)

#003135

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #182a48;
/* rgb */ color: rgb(24, 42, 72);
/* oklch */ color: oklch(28.6% 0.060 260.1);

Tailwind

colors: {
  custom: {
    50: '#5a637b',
    500: '#182a48',
    950: '#000000',
  },
}

SCSS

$custom: #182a48;
$custom-light: #5a637b;
$custom-dark: #000000;

JSON

{
  "hex": "#182a48",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 72
  },
  "hsl": {
    "h": 217.5,
    "s": 50,
    "l": 18.824
  },
  "oklch": {
    "l": 0.28617,
    "c": 0.0603,
    "h": 260.1
  },
  "luminance": 0.02318
}

Semantic roles & 50–950 ramp

primary

#182A48

secondary

#7F663D

accent

#A54EDA

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#040509

muted

#79797B

Preview Lab

Preview with #182A48

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

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