#182C4B#182C4B

#182C4B is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.3% C 0.063 H 258.9°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).

Color values

HEX	#182C4B
RGB	rgb(24, 44, 75)
HSL	hsl(216, 52%, 19%)
HSV	hsv(216, 68%, 29%)
CMYK	cmyk(68%, 41.3%, 0%, 70.6%)
CIE-LAB	lab(17.93, 3.36, -21.63)
CIE-LCH	lch(17.93, 21.89, 278.82°)
OKLab	oklab(29.35% -0.0121 -0.0614)
OKLCH	oklch(29.35% 0.063 258.9)
XYZ	xyz(2.5469, 2.5033, 7.0042)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C4B #4B3718

analogous

#18464B #182C4B #1E184B

triadic

#182C4B #4B182C #2C4B18

tetradic

#182C4B #4B1846 #4B3718 #184B1E

square

#182C4B #4B1846 #4B3718 #184B1E

split-complementary

#182C4B #4B1E18 #464B18

monochromatic

#070E17 #09111D #182C4B #274779 #3662A8

Accessibility & contrast

On white

13.99

#182C4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#182C4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C4B

13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C4B	#FFFFFF	#000000	##FFFFFF
##182C4B	1.00	13.99	1.50	13.99
#FFFFFF	13.99	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F2E4C

Deuteranopia (green-blind)

#182A4A

Tritanopia (blue-blind)

#003337

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #182c4b;
/* rgb */ color: rgb(24, 44, 75);
/* oklch */ color: oklch(29.3% 0.063 258.9);

Tailwind

colors: {
  custom: {
    50: '#5a647d',
    500: '#182c4b',
    950: '#000000',
  },
}

SCSS

$custom: #182c4b;
$custom-light: #5a647d;
$custom-dark: #000000;

JSON

{
  "hex": "#182c4b",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 75
  },
  "hsl": {
    "h": 216.471,
    "s": 51.515,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29345,
    "c": 0.06255,
    "h": 258.9
  },
  "luminance": 0.02504
}

Semantic roles & 50–950 ramp

primary

#182C4B

secondary

#82673D

accent

#A34DDB

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040509

muted

#797A7B

Preview Lab

Preview with #182C4B

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

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