#353B9D#353B9D

#353B9D is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.0% C 0.157 H 274.5°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#353B9D
RGB	rgb(53, 59, 157)
HSL	hsl(237, 50%, 41%)
HSV	hsv(237, 66%, 62%)
CMYK	cmyk(66.2%, 62.4%, 0%, 38.4%)
CIE-LAB	lab(30.20, 29.73, -54.18)
CIE-LCH	lch(30.20, 61.80, 298.75°)
OKLab	oklab(41.03% 0.0122 -0.1561)
OKLCH	oklch(41.03% 0.157 274.5)
XYZ	xyz(9.1160, 6.3183, 32.6309)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353B9D #9D9735

analogous

#356F9D #353B9D #63359D

triadic

#353B9D #9D353B #3B9D35

tetradic

#353B9D #9D356F #9D9735 #359D63

square

#353B9D #9D356F #9D9735 #359D63

split-complementary

#353B9D #9D6335 #6F9D35

monochromatic

#161941 #262A6F #353B9D #4C53C3 #7A7FD2

Accessibility & contrast

On white

9.28

#353B9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#353B9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353B9D

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353B9D	#FFFFFF	#000000	##FFFFFF
##353B9D	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA0

Deuteranopia (green-blind)

#00439B

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #353b9d;
/* rgb */ color: rgb(53, 59, 157);
/* oklch */ color: oklch(41.0% 0.157 274.5);

Tailwind

colors: {
  custom: {
    50: '#7971bb',
    500: '#353b9d',
    950: '#000000',
  },
}

SCSS

$custom: #353b9d;
$custom-light: #7971bb;
$custom-dark: #000000;

JSON

{
  "hex": "#353b9d",
  "rgb": {
    "r": 53,
    "g": 59,
    "b": 157
  },
  "hsl": {
    "h": 236.538,
    "s": 49.524,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41025,
    "c": 0.15661,
    "h": 274.5
  },
  "luminance": 0.06319
}

Semantic roles & 50–950 ramp

primary

#353B9D

secondary

#BBB773

accent

#D14FD9

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #353B9D

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

Preview Lab → · Contrast checker → · Palette generator →