#353A8D#353A8D

#353A8D is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.5% C 0.135 H 275.7°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#353A8D
RGB	rgb(53, 58, 141)
HSL	hsl(237, 45%, 38%)
HSV	hsv(237, 62%, 55%)
CMYK	cmyk(62.4%, 58.9%, 0%, 44.7%)
CIE-LAB	lab(28.66, 24.68, -46.90)
CIE-LCH	lch(28.66, 53.00, 297.75°)
OKLab	oklab(39.48% 0.0134 -0.1347)
OKLCH	oklch(39.48% 0.135 275.7)
XYZ	xyz(7.7874, 5.7055, 25.8850)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353A8D #8D8835

analogous

#35668D #353A8D #5C358D

triadic

#353A8D #8D353A #3A8D35

tetradic

#353A8D #8D3566 #8D8835 #358D5C

square

#353A8D #8D3566 #8D8835 #358D5C

split-complementary

#353A8D #8D5C35 #668D35

monochromatic

#141534 #242861 #353A8D #464CB9 #7277CA

Accessibility & contrast

On white

9.81

#353A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#353A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353A8D

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353A8D	#FFFFFF	#000000	##FFFFFF
##353A8D	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004790

Deuteranopia (green-blind)

#00408B

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #353a8d;
/* rgb */ color: rgb(53, 58, 141);
/* oklch */ color: oklch(39.5% 0.135 275.7);

Tailwind

colors: {
  custom: {
    50: '#7670af',
    500: '#353a8d',
    950: '#000000',
  },
}

SCSS

$custom: #353a8d;
$custom-light: #7670af;
$custom-dark: #000000;

JSON

{
  "hex": "#353a8d",
  "rgb": {
    "r": 53,
    "g": 58,
    "b": 141
  },
  "hsl": {
    "h": 236.591,
    "s": 45.361,
    "l": 38.039
  },
  "oklch": {
    "l": 0.39478,
    "c": 0.1354,
    "h": 275.7
  },
  "luminance": 0.05706
}

Semantic roles & 50–950 ramp

primary

#353A8D

secondary

#B2AE6B

accent

#CE53D5

background

#F7F6FA

surface

#EEECF5

border

#C9C7CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #353A8D

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

Preview Lab → · Contrast checker → · Palette generator →