#353B9E#353B9E

#353B9E is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.1% C 0.158 H 274.4°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#353B9E
RGB	rgb(53, 59, 158)
HSL	hsl(237, 50%, 41%)
HSV	hsv(237, 66%, 62%)
CMYK	cmyk(66.5%, 62.7%, 0%, 38%)
CIE-LAB	lab(30.29, 30.08, -54.65)
CIE-LCH	lch(30.29, 62.38, 298.83°)
OKLab	oklab(41.11% 0.0122 -0.1575)
OKLCH	oklch(41.11% 0.158 274.4)
XYZ	xyz(9.2017, 6.3526, 33.0824)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353B9E #9E9835

analogous

#35709E #353B9E #64359E

triadic

#353B9E #9E353B #3B9E35

tetradic

#353B9E #9E3570 #9E9835 #359E64

square

#353B9E #9E3570 #9E9835 #359E64

split-complementary

#353B9E #9E6435 #709E35

monochromatic

#161942 #262A70 #353B9E #4D54C3 #7B80D3

Accessibility & contrast

On white

9.25

#353B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#353B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353B9E

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353B9E	#FFFFFF	#000000	##FFFFFF
##353B9E	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA1

Deuteranopia (green-blind)

#00439C

Tritanopia (blue-blind)

#005467

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #353b9e;
/* rgb */ color: rgb(53, 59, 158);
/* oklch */ color: oklch(41.1% 0.158 274.4);

Tailwind

colors: {
  custom: {
    50: '#7971bb',
    500: '#353b9e',
    950: '#000000',
  },
}

SCSS

$custom: #353b9e;
$custom-light: #7971bb;
$custom-dark: #000000;

JSON

{
  "hex": "#353b9e",
  "rgb": {
    "r": 53,
    "g": 59,
    "b": 158
  },
  "hsl": {
    "h": 236.571,
    "s": 49.763,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41113,
    "c": 0.15798,
    "h": 274.4
  },
  "luminance": 0.06353
}

Semantic roles & 50–950 ramp

primary

#353B9E

secondary

#BBB773

accent

#D14FD9

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #353B9E

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

Preview Lab → · Contrast checker → · Palette generator →