#182D54#182D54

#182D54 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.2% C 0.076 H 261.6°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#182D54
RGB	rgb(24, 45, 84)
HSL	hsl(219, 56%, 21%)
HSV	hsv(219, 71%, 33%)
CMYK	cmyk(71.4%, 46.4%, 0%, 67.1%)
CIE-LAB	lab(18.85, 6.30, -26.24)
CIE-LCH	lch(18.85, 26.99, 283.50°)
OKLab	oklab(30.24% -0.011 -0.0749)
OKLCH	oklch(30.24% 0.076 261.6)
XYZ	xyz(2.9147, 2.7108, 8.7554)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D54 #543F18

analogous

#184B54 #182D54 #211854

triadic

#182D54 #54182D #2D5418

tetradic

#182D54 #54184B #543F18 #185421

square

#182D54 #54184B #543F18 #185421

split-complementary

#182D54 #542118 #4B5418

monochromatic

#070D18 #0A1324 #182D54 #264684 #3360B3

Accessibility & contrast

On white

13.62

#182D54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#182D54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D54

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D54	#FFFFFF	#000000	##FFFFFF
##182D54	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3156

Deuteranopia (green-blind)

#112B53

Tritanopia (blue-blind)

#00363C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182d54;
/* rgb */ color: rgb(24, 45, 84);
/* oklch */ color: oklch(30.2% 0.076 261.6);

Tailwind

colors: {
  custom: {
    50: '#5c6584',
    500: '#182d54',
    950: '#000000',
  },
}

SCSS

$custom: #182d54;
$custom-light: #5c6584;
$custom-dark: #000000;

JSON

{
  "hex": "#182d54",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 84
  },
  "hsl": {
    "h": 219,
    "s": 55.556,
    "l": 21.176
  },
  "oklch": {
    "l": 0.30241,
    "c": 0.07568,
    "h": 261.6
  },
  "luminance": 0.02711
}

Semantic roles & 50–950 ramp

primary

#182D54

secondary

#8B703D

accent

#AA49DF

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04050B

muted

#797A7C

Preview Lab

Preview with #182D54

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

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