#182C7D#182C7D

#182C7D is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.6% C 0.139 H 267.4°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#182C7D
RGB	rgb(24, 44, 125)
HSL	hsl(228, 68%, 29%)
HSV	hsv(228, 81%, 49%)
CMYK	cmyk(80.8%, 64.8%, 0%, 51%)
CIE-LAB	lab(21.86, 23.90, -48.05)
CIE-LCH	lch(21.86, 53.67, 296.44°)
OKLab	oklab(33.56% -0.0064 -0.139)
OKLCH	oklch(33.56% 0.139 267.4)
XYZ	xyz(4.9778, 3.4757, 19.8066)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C7D #7D6918

analogous

#185F7D #182C7D #37187D

triadic

#182C7D #7D182C #2C7D18

tetradic

#182C7D #7D185F #7D6918 #187D37

square

#182C7D #7D185F #7D6918 #187D37

split-complementary

#182C7D #7D3718 #5F7D18

monochromatic

#05091A #0E1A4A #182C7D #223EB0 #3757D9

Accessibility & contrast

On white

12.39

#182C7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#182C7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C7D

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C7D	#FFFFFF	#000000	##FFFFFF
##182C7D	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003980

Deuteranopia (green-blind)

#00307B

Tritanopia (blue-blind)

#004150

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #182c7d;
/* rgb */ color: rgb(24, 44, 125);
/* oklch */ color: oklch(33.6% 0.139 267.4);

Tailwind

colors: {
  custom: {
    50: '#6764a3',
    500: '#182c7d',
    950: '#000000',
  },
}

SCSS

$custom: #182c7d;
$custom-light: #6764a3;
$custom-dark: #000000;

JSON

{
  "hex": "#182c7d",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 125
  },
  "hsl": {
    "h": 228.119,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33556,
    "c": 0.13914,
    "h": 267.4
  },
  "luminance": 0.03476
}

Semantic roles & 50–950 ramp

primary

#182C7D

secondary

#B29B3F

accent

#C83DEB

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #182C7D

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

Preview Lab → · Contrast checker → · Palette generator →