#183170#183170

#183170 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.4% C 0.114 H 264.6°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#183170
RGB	rgb(24, 49, 112)
HSL	hsl(223, 65%, 27%)
HSV	hsv(223, 79%, 44%)
CMYK	cmyk(78.6%, 56.3%, 0%, 56.1%)
CIE-LAB	lab(22.16, 15.03, -39.26)
CIE-LCH	lch(22.16, 42.04, 290.94°)
OKLab	oklab(33.43% -0.0106 -0.1131)
OKLCH	oklch(33.43% 0.114 264.6)
XYZ	xyz(4.3986, 3.5602, 15.7815)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183170 #705718

analogous

#185D70 #183170 #2B1870

triadic

#183170 #701831 #317018

tetradic

#183170 #70185D #705718 #18702B

square

#183170 #70185D #705718 #18702B

split-complementary

#183170 #702B18 #5D7018

monochromatic

#050B19 #0D1B3E #183170 #2347A2 #305ED3

Accessibility & contrast

On white

12.26

#183170 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#183170 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183170

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183170	#FFFFFF	#000000	##FFFFFF
##183170	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023972

Deuteranopia (green-blind)

#00316F

Tritanopia (blue-blind)

#00404B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #183170;
/* rgb */ color: rgb(24, 49, 112);
/* oklch */ color: oklch(33.4% 0.114 264.6);

Tailwind

colors: {
  custom: {
    50: '#63689a',
    500: '#183170',
    950: '#000000',
  },
}

SCSS

$custom: #183170;
$custom-light: #63689a;
$custom-dark: #000000;

JSON

{
  "hex": "#183170",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 112
  },
  "hsl": {
    "h": 222.955,
    "s": 64.706,
    "l": 26.667
  },
  "oklch": {
    "l": 0.33434,
    "c": 0.1136,
    "h": 264.6
  },
  "luminance": 0.03561
}

Semantic roles & 50–950 ramp

primary

#183170

secondary

#A5883E

accent

#B840E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #183170

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

Preview Lab → · Contrast checker → · Palette generator →