#353EBB#353EBB

#353EBB is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.3% C 0.193 H 272.3°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#353EBB
RGB	rgb(53, 62, 187)
HSL	hsl(236, 56%, 47%)
HSV	hsv(236, 72%, 73%)
CMYK	cmyk(71.7%, 66.8%, 0%, 26.7%)
CIE-LAB	lab(33.54, 38.39, -66.66)
CIE-LCH	lch(33.54, 76.93, 299.94°)
OKLab	oklab(44.27% 0.0079 -0.1927)
OKLCH	oklch(44.27% 0.193 272.3)
XYZ	xyz(12.1574, 7.7888, 47.8667)
Luminance	0.0779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353EBB #BBB235

analogous

#3581BB #353EBB #6F35BB

triadic

#353EBB #BB353E #3EBB35

tetradic

#353EBB #BB3581 #BBB235 #35BB6F

square

#353EBB #BB3581 #BBB235 #35BB6F

split-complementary

#353EBB #BB6F35 #81BB35

monochromatic

#1A1E5C #272E8B #353EBB #5C64D1 #8C92DE

Accessibility & contrast

On white

8.21

#353EBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#353EBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353EBB

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353EBB	#FFFFFF	#000000	##FFFFFF
##353EBB	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BF

Deuteranopia (green-blind)

#0049B9

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #353ebb;
/* rgb */ color: rgb(53, 62, 187);
/* oklch */ color: oklch(44.3% 0.193 272.3);

Tailwind

colors: {
  custom: {
    50: '#7f73d1',
    500: '#353ebb',
    950: '#000000',
  },
}

SCSS

$custom: #353ebb;
$custom-light: #7f73d1;
$custom-dark: #000000;

JSON

{
  "hex": "#353ebb",
  "rgb": {
    "r": 53,
    "g": 62,
    "b": 187
  },
  "hsl": {
    "h": 235.97,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44273,
    "c": 0.19285,
    "h": 272.3
  },
  "luminance": 0.0779
}

Semantic roles & 50–950 ramp

primary

#353EBB

secondary

#C9C483

accent

#D549DF

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #353EBB

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

Preview Lab → · Contrast checker → · Palette generator →