#182C4C#182C4C

#182C4C is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.4% C 0.064 H 259.4°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#182C4C
RGB	rgb(24, 44, 76)
HSL	hsl(217, 52%, 20%)
HSV	hsv(217, 68%, 30%)
CMYK	cmyk(68.4%, 42.1%, 0%, 70.2%)
CIE-LAB	lab(18.00, 3.76, -22.21)
CIE-LCH	lch(18.00, 22.53, 279.61°)
OKLab	oklab(29.41% -0.0118 -0.0631)
OKLCH	oklch(29.41% 0.064 259.4)
XYZ	xyz(2.5814, 2.5171, 7.1859)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C4C #4C3818

analogous

#18464C #182C4C #1E184C

triadic

#182C4C #4C182C #2C4C18

tetradic

#182C4C #4C1846 #4C3818 #184C1E

square

#182C4C #4C1846 #4C3818 #184C1E

split-complementary

#182C4C #4C1E18 #464C18

monochromatic

#070D17 #09111D #182C4C #27477B #3562A9

Accessibility & contrast

On white

13.97

#182C4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#182C4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C4C

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C4C	#FFFFFF	#000000	##FFFFFF
##182C4C	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E2F4D

Deuteranopia (green-blind)

#172A4B

Tritanopia (blue-blind)

#003338

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #182c4c;
/* rgb */ color: rgb(24, 44, 76);
/* oklch */ color: oklch(29.4% 0.064 259.4);

Tailwind

colors: {
  custom: {
    50: '#5b647e',
    500: '#182c4c',
    950: '#000000',
  },
}

SCSS

$custom: #182c4c;
$custom-light: #5b647e;
$custom-dark: #000000;

JSON

{
  "hex": "#182c4c",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 76
  },
  "hsl": {
    "h": 216.923,
    "s": 52,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29414,
    "c": 0.06416,
    "h": 259.4
  },
  "luminance": 0.02517
}

Semantic roles & 50–950 ramp

primary

#182C4C

secondary

#83683D

accent

#A44CDB

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #182C4C

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

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