#353CBB#353CBB

#353CBB is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.9% C 0.195 H 272.7°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#353CBB
RGB	rgb(53, 60, 187)
HSL	hsl(237, 56%, 47%)
HSV	hsv(237, 72%, 73%)
CMYK	cmyk(71.7%, 67.9%, 0%, 26.7%)
CIE-LAB	lab(33.08, 39.62, -67.41)
CIE-LCH	lch(33.08, 78.19, 300.45°)
OKLab	oklab(43.94% 0.0092 -0.1949)
OKLCH	oklch(43.94% 0.195 272.7)
XYZ	xyz(12.0507, 7.5753, 47.8312)
Luminance	0.0758 (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

#353CBB #BBB435

analogous

#357FBB #353CBB #7135BB

triadic

#353CBB #BB353C #3CBB35

tetradic

#353CBB #BB357F #BBB435 #35BB71

square

#353CBB #BB357F #BBB435 #35BB71

split-complementary

#353CBB #BB7135 #7FBB35

monochromatic

#1A1D5C #272D8B #353CBB #5C62D1 #8C90DE

Accessibility & contrast

On white

8.35

#353CBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#353CBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353CBB

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353CBB	#FFFFFF	#000000	##FFFFFF
##353CBB	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BF

Deuteranopia (green-blind)

#0048B9

Tritanopia (blue-blind)

#005E76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #353cbb;
/* rgb */ color: rgb(53, 60, 187);
/* oklch */ color: oklch(43.9% 0.195 272.7);

Tailwind

colors: {
  custom: {
    50: '#7f72d1',
    500: '#353cbb',
    950: '#000000',
  },
}

SCSS

$custom: #353cbb;
$custom-light: #7f72d1;
$custom-dark: #000000;

JSON

{
  "hex": "#353cbb",
  "rgb": {
    "r": 53,
    "g": 60,
    "b": 187
  },
  "hsl": {
    "h": 236.866,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43942,
    "c": 0.1951,
    "h": 272.7
  },
  "luminance": 0.07576
}

Semantic roles & 50–950 ramp

primary

#353CBB

secondary

#C9C583

accent

#D749DF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #353CBB

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

Preview Lab → · Contrast checker → · Palette generator →