#182D4F#182D4F

#182D4F is a dark, moderate blue. Relative luminance 0.026; OKLCH L 29.9% C 0.068 H 259.6°. Best body text is #FFFFFF at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#182D4F
RGB	rgb(24, 45, 79)
HSL	hsl(217, 53%, 20%)
HSV	hsv(217, 70%, 31%)
CMYK	cmyk(69.6%, 43%, 0%, 69%)
CIE-LAB	lab(18.52, 4.26, -23.41)
CIE-LCH	lch(18.52, 23.79, 280.31°)
OKLab	oklab(29.88% -0.0122 -0.0666)
OKLCH	oklch(29.88% 0.068 259.6)
XYZ	xyz(2.7259, 2.6352, 7.7606)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D4F #4F3A18

analogous

#18484F #182D4F #1E184F

triadic

#182D4F #4F182D #2D4F18

tetradic

#182D4F #4F1848 #4F3A18 #184F1E

square

#182D4F #4F1848 #4F3A18 #184F1E

split-complementary

#182D4F #4F1E18 #484F18

monochromatic

#070D17 #0A1220 #182D4F #26487E #3562AD

Accessibility & contrast

On white

13.75

#182D4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#182D4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D4F

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D4F	#FFFFFF	#000000	##FFFFFF
##182D4F	1.00	13.75	1.53	13.75
#FFFFFF	13.75	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E3050

Deuteranopia (green-blind)

#162B4E

Tritanopia (blue-blind)

#00353A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182d4f;
/* rgb */ color: rgb(24, 45, 79);
/* oklch */ color: oklch(29.9% 0.068 259.6);

Tailwind

colors: {
  custom: {
    50: '#5b6580',
    500: '#182d4f',
    950: '#000000',
  },
}

SCSS

$custom: #182d4f;
$custom-light: #5b6580;
$custom-dark: #000000;

JSON

{
  "hex": "#182d4f",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 79
  },
  "hsl": {
    "h": 217.091,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.29882,
    "c": 0.06767,
    "h": 259.6
  },
  "luminance": 0.02635
}

Semantic roles & 50–950 ramp

primary

#182D4F

secondary

#866A3D

accent

#A54BDD

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04050A

muted

#797A7C

Preview Lab

Preview with #182D4F

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

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