#353D8B#353D8B

#353D8B is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.9% C 0.128 H 274.6°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#353D8B
RGB	rgb(53, 61, 139)
HSL	hsl(234, 45%, 38%)
HSV	hsv(234, 62%, 55%)
CMYK	cmyk(61.9%, 56.1%, 0%, 45.5%)
CIE-LAB	lab(29.31, 21.96, -44.62)
CIE-LCH	lch(29.31, 49.73, 296.20°)
OKLab	oklab(39.91% 0.0103 -0.128)
OKLCH	oklch(39.91% 0.128 274.6)
XYZ	xyz(7.7956, 5.9578, 25.1603)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353D8B #8B8335

analogous

#35688B #353D8B #58358B

triadic

#353D8B #8B353D #3D8B35

tetradic

#353D8B #8B3568 #8B8335 #358B58

square

#353D8B #8B3568 #8B8335 #358B58

split-complementary

#353D8B #8B5835 #688B35

monochromatic

#131632 #242A5F #353D8B #4650B7 #717AC9

Accessibility & contrast

On white

9.58

#353D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#353D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353D8B

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353D8B	#FFFFFF	#000000	##FFFFFF
##353D8B	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05498E

Deuteranopia (green-blind)

#004189

Tritanopia (blue-blind)

#004F5E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #353d8b;
/* rgb */ color: rgb(53, 61, 139);
/* oklch */ color: oklch(39.9% 0.128 274.6);

Tailwind

colors: {
  custom: {
    50: '#7572ad',
    500: '#353d8b',
    950: '#000000',
  },
}

SCSS

$custom: #353d8b;
$custom-light: #7572ad;
$custom-dark: #000000;

JSON

{
  "hex": "#353d8b",
  "rgb": {
    "r": 53,
    "g": 61,
    "b": 139
  },
  "hsl": {
    "h": 234.419,
    "s": 44.792,
    "l": 37.647
  },
  "oklch": {
    "l": 0.39914,
    "c": 0.12839,
    "h": 274.6
  },
  "luminance": 0.05958
}

Semantic roles & 50–950 ramp

primary

#353D8B

secondary

#B1AB6A

accent

#C853D4

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #353D8B

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

Preview Lab → · Contrast checker → · Palette generator →