#182B4D#182B4D

#182B4D is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.2% C 0.067 H 261.2°. Best body text is #FFFFFF at 14.08:1 contrast (WCAG AA passes).

Color values

HEX	#182B4D
RGB	rgb(24, 43, 77)
HSL	hsl(218, 52%, 20%)
HSV	hsv(218, 69%, 30%)
CMYK	cmyk(68.8%, 44.2%, 0%, 69.8%)
CIE-LAB	lab(17.73, 4.89, -23.32)
CIE-LCH	lch(17.73, 23.82, 281.85°)
OKLab	oklab(29.23% -0.0103 -0.0663)
OKLCH	oklch(29.23% 0.067 261.2)
XYZ	xyz(2.5797, 2.4575, 7.3581)
Luminance	0.0246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B4D #4D3A18

analogous

#18454D #182B4D #20184D

triadic

#182B4D #4D182B #2B4D18

tetradic

#182B4D #4D1845 #4D3A18 #184D20

square

#182B4D #4D1845 #4D3A18 #184D20

split-complementary

#182B4D #4D2018 #454D18

monochromatic

#070D17 #09111E #182B4D #27457C #355FAA

Accessibility & contrast

On white

14.08

#182B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#182B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B4D

14.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B4D	#FFFFFF	#000000	##FFFFFF
##182B4D	1.00	14.08	1.49	14.08
#FFFFFF	14.08	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C2E4E

Deuteranopia (green-blind)

#14294C

Tritanopia (blue-blind)

#003338

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #182b4d;
/* rgb */ color: rgb(24, 43, 77);
/* oklch */ color: oklch(29.2% 0.067 261.2);

Tailwind

colors: {
  custom: {
    50: '#5b637f',
    500: '#182b4d',
    950: '#000000',
  },
}

SCSS

$custom: #182b4d;
$custom-light: #5b637f;
$custom-dark: #000000;

JSON

{
  "hex": "#182b4d",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 77
  },
  "hsl": {
    "h": 218.491,
    "s": 52.475,
    "l": 19.804
  },
  "oklch": {
    "l": 0.29225,
    "c": 0.06711,
    "h": 261.2
  },
  "luminance": 0.02458
}

Semantic roles & 50–950 ramp

primary

#182B4D

secondary

#846A3D

accent

#A84CDC

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #182B4D

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

Preview Lab → · Contrast checker → · Palette generator →