#182D61#182D61

#182D61 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.3% C 0.096 H 264.8°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#182D61
RGB	rgb(24, 45, 97)
HSL	hsl(223, 60%, 24%)
HSV	hsv(223, 75%, 38%)
CMYK	cmyk(75.3%, 53.6%, 0%, 62%)
CIE-LAB	lab(19.78, 11.69, -33.37)
CIE-LCH	lch(19.78, 35.36, 289.31°)
OKLab	oklab(31.25% -0.0087 -0.0958)
OKLCH	oklch(31.25% 0.096 264.8)
XYZ	xyz(3.4720, 2.9337, 11.6902)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D61 #614C18

analogous

#185161 #182D61 #271861

triadic

#182D61 #61182D #2D6118

tetradic

#182D61 #611851 #614C18 #186127

square

#182D61 #611851 #614C18 #186127

split-complementary

#182D61 #612718 #516118

monochromatic

#060B19 #0C1630 #182D61 #244492 #305BC3

Accessibility & contrast

On white

13.23

#182D61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#182D61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D61

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D61	#FFFFFF	#000000	##FFFFFF
##182D61	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3363

Deuteranopia (green-blind)

#002D60

Tritanopia (blue-blind)

#003942

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #182d61;
/* rgb */ color: rgb(24, 45, 97);
/* oklch */ color: oklch(31.3% 0.096 264.8);

Tailwind

colors: {
  custom: {
    50: '#60658e',
    500: '#182d61',
    950: '#000000',
  },
}

SCSS

$custom: #182d61;
$custom-light: #60658e;
$custom-dark: #000000;

JSON

{
  "hex": "#182d61",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 97
  },
  "hsl": {
    "h": 222.74,
    "s": 60.331,
    "l": 23.725
  },
  "oklch": {
    "l": 0.31253,
    "c": 0.09623,
    "h": 264.8
  },
  "luminance": 0.02934
}

Semantic roles & 50–950 ramp

primary

#182D61

secondary

#977D3D

accent

#B644E3

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05050C

muted

#797A7D

Preview Lab

Preview with #182D61

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

Preview Lab → · Contrast checker → · Palette generator →