#353E8B#353E8B

#353E8B is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.1% C 0.127 H 274.2°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#353E8B
RGB	rgb(53, 62, 139)
HSL	hsl(234, 45%, 38%)
HSV	hsv(234, 62%, 55%)
CMYK	cmyk(61.9%, 55.4%, 0%, 45.5%)
CIE-LAB	lab(29.58, 21.29, -44.18)
CIE-LCH	lch(29.58, 49.04, 295.73°)
OKLab	oklab(40.12% 0.0092 -0.1267)
OKLCH	oklch(40.12% 0.127 274.2)
XYZ	xyz(7.8495, 6.0656, 25.1782)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353E8B #8B8235

analogous

#35698B #353E8B #57358B

triadic

#353E8B #8B353E #3E8B35

tetradic

#353E8B #8B3569 #8B8235 #358B57

square

#353E8B #8B3569 #8B8235 #358B57

split-complementary

#353E8B #8B5735 #698B35

monochromatic

#131632 #242A5F #353E8B #4652B7 #717BC9

Accessibility & contrast

On white

9.49

#353E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#353E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353E8B

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353E8B	#FFFFFF	#000000	##FFFFFF
##353E8B	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4A8E

Deuteranopia (green-blind)

#004289

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #353e8b;
/* rgb */ color: rgb(53, 62, 139);
/* oklch */ color: oklch(40.1% 0.127 274.2);

Tailwind

colors: {
  custom: {
    50: '#7573ad',
    500: '#353e8b',
    950: '#000000',
  },
}

SCSS

$custom: #353e8b;
$custom-light: #7573ad;
$custom-dark: #000000;

JSON

{
  "hex": "#353e8b",
  "rgb": {
    "r": 53,
    "g": 62,
    "b": 139
  },
  "hsl": {
    "h": 233.721,
    "s": 44.792,
    "l": 37.647
  },
  "oklch": {
    "l": 0.40118,
    "c": 0.12702,
    "h": 274.2
  },
  "luminance": 0.06066
}

Semantic roles & 50–950 ramp

primary

#353E8B

secondary

#B1AA6A

accent

#C753D4

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #353E8B

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

Preview Lab → · Contrast checker → · Palette generator →