#18396E#18396E

#18396E is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.1% C 0.100 H 259.5°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#18396E
RGB	rgb(24, 57, 110)
HSL	hsl(217, 64%, 26%)
HSV	hsv(217, 78%, 43%)
CMYK	cmyk(78.2%, 48.2%, 0%, 56.9%)
CIE-LAB	lab(24.47, 8.48, -34.26)
CIE-LCH	lch(24.47, 35.29, 283.91°)
OKLab	oklab(35.15% -0.0181 -0.0982)
OKLCH	oklch(35.15% 0.1 259.5)
XYZ	xyz(4.6533, 4.2457, 15.3231)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18396E #6E4D18

analogous

#18646E #18396E #22186E

triadic

#18396E #6E1839 #396E18

tetradic

#18396E #6E1864 #6E4D18 #186E22

square

#18396E #6E1864 #6E4D18 #186E22

split-complementary

#18396E #6E2218 #646E18

monochromatic

#050D19 #0D1F3C #18396E #2353A0 #2F6DD2

Accessibility & contrast

On white

11.36

#18396E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#18396E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18396E

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18396E	#FFFFFF	#000000	##FFFFFF
##18396E	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3E70

Deuteranopia (green-blind)

#0A366D

Tritanopia (blue-blind)

#00464E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #18396e;
/* rgb */ color: rgb(24, 57, 110);
/* oklch */ color: oklch(35.1% 0.100 259.5);

Tailwind

colors: {
  custom: {
    50: '#626e98',
    500: '#18396e',
    950: '#000000',
  },
}

SCSS

$custom: #18396e;
$custom-light: #626e98;
$custom-dark: #000000;

JSON

{
  "hex": "#18396e",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 110
  },
  "hsl": {
    "h": 216.977,
    "s": 64.179,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35149,
    "c": 0.09987,
    "h": 259.5
  },
  "luminance": 0.04246
}

Semantic roles & 50–950 ramp

primary

#18396E

secondary

#A47D3E

accent

#A741E7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #18396E

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

Preview Lab → · Contrast checker → · Palette generator →