#182D7D#182D7D

#182D7D is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.8% C 0.138 H 267.1°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#182D7D
RGB	rgb(24, 45, 125)
HSL	hsl(228, 68%, 29%)
HSV	hsv(228, 81%, 49%)
CMYK	cmyk(80.8%, 64%, 0%, 51%)
CIE-LAB	lab(22.13, 23.20, -47.61)
CIE-LCH	lch(22.13, 52.96, 295.98°)
OKLab	oklab(33.76% -0.0071 -0.1377)
OKLCH	oklch(33.76% 0.138 267.1)
XYZ	xyz(5.0155, 3.5511, 19.8192)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D7D #7D6818

analogous

#18607D #182D7D #36187D

triadic

#182D7D #7D182D #2D7D18

tetradic

#182D7D #7D1860 #7D6818 #187D36

square

#182D7D #7D1860 #7D6818 #187D36

split-complementary

#182D7D #7D3618 #607D18

monochromatic

#05091A #0E1B4A #182D7D #223FB0 #3758D9

Accessibility & contrast

On white

12.28

#182D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#182D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D7D

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D7D	#FFFFFF	#000000	##FFFFFF
##182D7D	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A80

Deuteranopia (green-blind)

#00307B

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #182d7d;
/* rgb */ color: rgb(24, 45, 125);
/* oklch */ color: oklch(33.8% 0.138 267.1);

Tailwind

colors: {
  custom: {
    50: '#6765a3',
    500: '#182d7d',
    950: '#000000',
  },
}

SCSS

$custom: #182d7d;
$custom-light: #6765a3;
$custom-dark: #000000;

JSON

{
  "hex": "#182d7d",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 125
  },
  "hsl": {
    "h": 227.525,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33758,
    "c": 0.13785,
    "h": 267.1
  },
  "luminance": 0.03552
}

Semantic roles & 50–950 ramp

primary

#182D7D

secondary

#B29A3F

accent

#C73DEB

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #182D7D

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

Preview Lab → · Contrast checker → · Palette generator →