#353B8D#353B8D

#353B8D is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.7% C 0.134 H 275.3°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#353B8D
RGB	rgb(53, 59, 141)
HSL	hsl(236, 45%, 38%)
HSV	hsv(236, 62%, 55%)
CMYK	cmyk(62.4%, 58.2%, 0%, 44.7%)
CIE-LAB	lab(28.92, 24.01, -46.47)
CIE-LCH	lch(28.92, 52.31, 297.32°)
OKLab	oklab(39.67% 0.0124 -0.1335)
OKLCH	oklch(39.67% 0.134 275.3)
XYZ	xyz(7.8383, 5.8073, 25.9020)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353B8D #8D8735

analogous

#35678D #353B8D #5B358D

triadic

#353B8D #8D353B #3B8D35

tetradic

#353B8D #8D3567 #8D8735 #358D5B

square

#353B8D #8D3567 #8D8735 #358D5B

split-complementary

#353B8D #8D5B35 #678D35

monochromatic

#141634 #242861 #353B8D #464EB9 #7278CA

Accessibility & contrast

On white

9.72

#353B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#353B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353B8D

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353B8D	#FFFFFF	#000000	##FFFFFF
##353B8D	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004890

Deuteranopia (green-blind)

#00408B

Tritanopia (blue-blind)

#004F5E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #353b8d;
/* rgb */ color: rgb(53, 59, 141);
/* oklch */ color: oklch(39.7% 0.134 275.3);

Tailwind

colors: {
  custom: {
    50: '#7670af',
    500: '#353b8d',
    950: '#000000',
  },
}

SCSS

$custom: #353b8d;
$custom-light: #7670af;
$custom-dark: #000000;

JSON

{
  "hex": "#353b8d",
  "rgb": {
    "r": 53,
    "g": 59,
    "b": 141
  },
  "hsl": {
    "h": 235.909,
    "s": 45.361,
    "l": 38.039
  },
  "oklch": {
    "l": 0.39675,
    "c": 0.13404,
    "h": 275.3
  },
  "luminance": 0.05808
}

Semantic roles & 50–950 ramp

primary

#353B8D

secondary

#B2AE6B

accent

#CC53D5

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #353B8D

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

Preview Lab → · Contrast checker → · Palette generator →