#18359F#18359F

#18359F is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.6% C 0.174 H 266.0°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#18359F
RGB	rgb(24, 53, 159)
HSL	hsl(227, 74%, 36%)
HSV	hsv(227, 85%, 62%)
CMYK	cmyk(84.9%, 66.7%, 0%, 37.6%)
CIE-LAB	lab(27.41, 31.12, -60.02)
CIE-LCH	lch(27.41, 67.61, 297.41°)
OKLab	oklab(38.64% -0.0123 -0.1739)
OKLCH	oklch(38.64% 0.174 266)
XYZ	xyz(7.9056, 5.2426, 33.3894)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18359F #9F8218

analogous

#18789F #18359F #3E189F

triadic

#18359F #9F1835 #359F18

tetradic

#18359F #9F1878 #9F8218 #189F3E

square

#18359F #9F1878 #9F8218 #189F3E

split-complementary

#18359F #9F3E18 #789F18

monochromatic

#081235 #10236A #18359F #2047D4 #4D6EE4

Accessibility & contrast

On white

10.25

#18359F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#18359F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18359F

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18359F	#FFFFFF	#000000	##FFFFFF
##18359F	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A2

Deuteranopia (green-blind)

#003A9D

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #18359f;
/* rgb */ color: rgb(24, 53, 159);
/* oklch */ color: oklch(38.6% 0.174 266.0);

Tailwind

colors: {
  custom: {
    50: '#706cbc',
    500: '#18359f',
    950: '#000000',
  },
}

SCSS

$custom: #18359f;
$custom-light: #706cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#18359f",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 159
  },
  "hsl": {
    "h": 227.111,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.38636,
    "c": 0.17432,
    "h": 266
  },
  "luminance": 0.05244
}

Semantic roles & 50–950 ramp

primary

#18359F

secondary

#C6AC4D

accent

#C937F0

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #18359F

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

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