#363B8D#363B8D

#363B8D is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.7% C 0.134 H 275.8°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#363B8D
RGB	rgb(54, 59, 141)
HSL	hsl(237, 45%, 38%)
HSV	hsv(237, 62%, 55%)
CMYK	cmyk(61.7%, 58.2%, 0%, 44.7%)
CIE-LAB	lab(28.99, 24.20, -46.36)
CIE-LCH	lch(28.99, 52.29, 297.56°)
OKLab	oklab(39.75% 0.0136 -0.1331)
OKLCH	oklch(39.75% 0.134 275.8)
XYZ	xyz(7.8914, 5.8347, 25.9045)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#363B8D #8D8836

analogous

#36668D #363B8D #5C368D

triadic

#363B8D #8D363B #3B8D36

tetradic

#363B8D #8D3666 #8D8836 #368D5C

square

#363B8D #8D3666 #8D8836 #368D5C

split-complementary

#363B8D #8D5C36 #668D36

monochromatic

#141634 #252861 #363B8D #474EB9 #7479CA

Accessibility & contrast

On white

9.69

#363B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#363B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363B8D

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363B8D	#FFFFFF	#000000	##FFFFFF
##363B8D	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004890

Deuteranopia (green-blind)

#00418B

Tritanopia (blue-blind)

#004E5E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #363b8d;
/* rgb */ color: rgb(54, 59, 141);
/* oklch */ color: oklch(39.7% 0.134 275.8);

Tailwind

colors: {
  custom: {
    50: '#7671af',
    500: '#363b8d',
    950: '#000000',
  },
}

SCSS

$custom: #363b8d;
$custom-light: #7671af;
$custom-dark: #000000;

JSON

{
  "hex": "#363b8d",
  "rgb": {
    "r": 54,
    "g": 59,
    "b": 141
  },
  "hsl": {
    "h": 236.552,
    "s": 44.615,
    "l": 38.235
  },
  "oklch": {
    "l": 0.39746,
    "c": 0.13379,
    "h": 275.8
  },
  "luminance": 0.05835
}

Semantic roles & 50–950 ramp

primary

#363B8D

secondary

#B2AE6D

accent

#CD53D4

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #363B8D

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

Preview Lab → · Contrast checker → · Palette generator →