#18369F#18369F

#18369F is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.8% C 0.173 H 265.8°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#18369F
RGB	rgb(24, 54, 159)
HSL	hsl(227, 74%, 36%)
HSV	hsv(227, 85%, 62%)
CMYK	cmyk(84.9%, 66%, 0%, 37.6%)
CIE-LAB	lab(27.67, 30.46, -59.60)
CIE-LCH	lch(27.67, 66.93, 297.07°)
OKLab	oklab(38.82% -0.0127 -0.1727)
OKLCH	oklch(38.82% 0.173 265.8)
XYZ	xyz(7.9517, 5.3348, 33.4048)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18369F #9F8118

analogous

#18799F #18369F #3E189F

triadic

#18369F #9F1836 #369F18

tetradic

#18369F #9F1879 #9F8118 #189F3E

square

#18369F #9F1879 #9F8118 #189F3E

split-complementary

#18369F #9F3E18 #799F18

monochromatic

#081235 #10246A #18369F #2048D4 #4D6FE4

Accessibility & contrast

On white

10.16

#18369F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#18369F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18369F

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18369F	#FFFFFF	#000000	##FFFFFF
##18369F	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A2

Deuteranopia (green-blind)

#003B9D

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #18369f;
/* rgb */ color: rgb(24, 54, 159);
/* oklch */ color: oklch(38.8% 0.173 265.8);

Tailwind

colors: {
  custom: {
    50: '#706cbc',
    500: '#18369f',
    950: '#000000',
  },
}

SCSS

$custom: #18369f;
$custom-light: #706cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#18369f",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 159
  },
  "hsl": {
    "h": 226.667,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.38821,
    "c": 0.17314,
    "h": 265.8
  },
  "luminance": 0.05336
}

Semantic roles & 50–950 ramp

primary

#18369F

secondary

#C6AB4D

accent

#C737F0

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #18369F

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

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