#182D50#182D50

#182D50 is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.0% C 0.069 H 260.1°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#182D50
RGB	rgb(24, 45, 80)
HSL	hsl(218, 54%, 20%)
HSV	hsv(218, 70%, 31%)
CMYK	cmyk(70%, 43.7%, 0%, 68.6%)
CIE-LAB	lab(18.58, 4.66, -23.98)
CIE-LCH	lch(18.58, 24.43, 281.01°)
OKLab	oklab(29.95% -0.012 -0.0682)
OKLCH	oklch(29.95% 0.069 260.1)
XYZ	xyz(2.7625, 2.6499, 7.9538)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D50 #503B18

analogous

#184950 #182D50 #1F1850

triadic

#182D50 #50182D #2D5018

tetradic

#182D50 #501849 #503B18 #18501F

square

#182D50 #501849 #503B18 #18501F

split-complementary

#182D50 #501F18 #495018

monochromatic

#070D18 #0A1321 #182D50 #26477F #3462AE

Accessibility & contrast

On white

13.73

#182D50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#182D50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D50

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D50	#FFFFFF	#000000	##FFFFFF
##182D50	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3051

Deuteranopia (green-blind)

#152B4F

Tritanopia (blue-blind)

#00353A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182d50;
/* rgb */ color: rgb(24, 45, 80);
/* oklch */ color: oklch(30.0% 0.069 260.1);

Tailwind

colors: {
  custom: {
    50: '#5c6581',
    500: '#182d50',
    950: '#000000',
  },
}

SCSS

$custom: #182d50;
$custom-light: #5c6581;
$custom-dark: #000000;

JSON

{
  "hex": "#182d50",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 80
  },
  "hsl": {
    "h": 217.5,
    "s": 53.846,
    "l": 20.392
  },
  "oklch": {
    "l": 0.29953,
    "c": 0.06927,
    "h": 260.1
  },
  "luminance": 0.0265
}

Semantic roles & 50–950 ramp

primary

#182D50

secondary

#876B3D

accent

#A64BDD

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04050A

muted

#797A7C

Preview Lab

Preview with #182D50

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

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