#183070#183070

#183070 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.2% C 0.115 H 265.1°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#183070
RGB	rgb(24, 48, 112)
HSL	hsl(224, 65%, 27%)
HSV	hsv(224, 79%, 44%)
CMYK	cmyk(78.6%, 57.1%, 0%, 56.1%)
CIE-LAB	lab(21.86, 15.75, -39.75)
CIE-LCH	lch(21.86, 42.75, 291.61°)
OKLab	oklab(33.21% -0.0098 -0.1145)
OKLCH	oklch(33.21% 0.115 265.1)
XYZ	xyz(4.3572, 3.4775, 15.7677)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183070 #705818

analogous

#185C70 #183070 #2C1870

triadic

#183070 #701830 #307018

tetradic

#183070 #70185C #705818 #18702C

square

#183070 #70185C #705818 #18702C

split-complementary

#183070 #702C18 #5C7018

monochromatic

#050B19 #0D1A3E #183070 #2346A2 #305CD3

Accessibility & contrast

On white

12.38

#183070 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#183070 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183070

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183070	#FFFFFF	#000000	##FFFFFF
##183070	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003972

Deuteranopia (green-blind)

#00306F

Tritanopia (blue-blind)

#00404B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183070;
/* rgb */ color: rgb(24, 48, 112);
/* oklch */ color: oklch(33.2% 0.115 265.1);

Tailwind

colors: {
  custom: {
    50: '#63679a',
    500: '#183070',
    950: '#000000',
  },
}

SCSS

$custom: #183070;
$custom-light: #63679a;
$custom-dark: #000000;

JSON

{
  "hex": "#183070",
  "rgb": {
    "r": 24,
    "g": 48,
    "b": 112
  },
  "hsl": {
    "h": 223.636,
    "s": 64.706,
    "l": 26.667
  },
  "oklch": {
    "l": 0.33209,
    "c": 0.11496,
    "h": 265.1
  },
  "luminance": 0.03478
}

Semantic roles & 50–950 ramp

primary

#183070

secondary

#A5893E

accent

#BA40E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #183070

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

Preview Lab → · Contrast checker → · Palette generator →