#183154#183154

#183154 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.3% C 0.070 H 257.2°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#183154
RGB	rgb(24, 49, 84)
HSL	hsl(215, 56%, 21%)
HSV	hsv(215, 71%, 33%)
CMYK	cmyk(71.4%, 41.7%, 0%, 67.1%)
CIE-LAB	lab(20.17, 3.43, -24.14)
CIE-LCH	lch(20.17, 24.39, 278.08°)
OKLab	oklab(31.26% -0.0157 -0.0687)
OKLCH	oklch(31.26% 0.07 257.2)
XYZ	xyz(3.0747, 3.0306, 8.8087)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183154 #543B18

analogous

#184F54 #183154 #1D1854

triadic

#183154 #541831 #315418

tetradic

#183154 #54184F #543B18 #18541D

square

#183154 #54184F #543B18 #18541D

split-complementary

#183154 #541D18 #4F5418

monochromatic

#070E18 #0A1524 #183154 #264D84 #3369B3

Accessibility & contrast

On white

13.07

#183154 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#183154 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183154

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183154	#FFFFFF	#000000	##FFFFFF
##183154	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213455

Deuteranopia (green-blind)

#192E53

Tritanopia (blue-blind)

#00393E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #183154;
/* rgb */ color: rgb(24, 49, 84);
/* oklch */ color: oklch(31.3% 0.070 257.2);

Tailwind

colors: {
  custom: {
    50: '#5c6884',
    500: '#183154',
    950: '#000000',
  },
}

SCSS

$custom: #183154;
$custom-light: #5c6884;
$custom-dark: #000000;

JSON

{
  "hex": "#183154",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 84
  },
  "hsl": {
    "h": 215,
    "s": 55.556,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31264,
    "c": 0.07042,
    "h": 257.2
  },
  "luminance": 0.03031
}

Semantic roles & 50–950 ramp

primary

#183154

secondary

#8B6A3D

accent

#A049DF

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #183154

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

Preview Lab → · Contrast checker → · Palette generator →