#353F8D#353F8D

#353F8D is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.5% C 0.129 H 273.7°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#353F8D
RGB	rgb(53, 63, 141)
HSL	hsl(233, 45%, 38%)
HSV	hsv(233, 62%, 55%)
CMYK	cmyk(62.4%, 55.3%, 0%, 44.7%)
CIE-LAB	lab(30.00, 21.34, -44.73)
CIE-LCH	lch(30.00, 49.56, 295.50°)
OKLab	oklab(40.48% 0.0083 -0.1283)
OKLCH	oklch(40.48% 0.129 273.7)
XYZ	xyz(8.0518, 6.2343, 25.9732)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353F8D #8D8335

analogous

#356B8D #353F8D #57358D

triadic

#353F8D #8D353F #3F8D35

tetradic

#353F8D #8D356B #8D8335 #358D57

square

#353F8D #8D356B #8D8335 #358D57

split-complementary

#353F8D #8D5735 #6B8D35

monochromatic

#141734 #242B61 #353F8D #4653B9 #727CCA

Accessibility & contrast

On white

9.35

#353F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#353F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353F8D

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353F8D	#FFFFFF	#000000	##FFFFFF
##353F8D	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A4B90

Deuteranopia (green-blind)

#00438B

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #353f8d;
/* rgb */ color: rgb(53, 63, 141);
/* oklch */ color: oklch(40.5% 0.129 273.7);

Tailwind

colors: {
  custom: {
    50: '#7573af',
    500: '#353f8d',
    950: '#000000',
  },
}

SCSS

$custom: #353f8d;
$custom-light: #7573af;
$custom-dark: #000000;

JSON

{
  "hex": "#353f8d",
  "rgb": {
    "r": 53,
    "g": 63,
    "b": 141
  },
  "hsl": {
    "h": 233.182,
    "s": 45.361,
    "l": 38.039
  },
  "oklch": {
    "l": 0.40478,
    "c": 0.12858,
    "h": 273.7
  },
  "luminance": 0.06235
}

Semantic roles & 50–950 ramp

primary

#353F8D

secondary

#B2AA6B

accent

#C653D5

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #353F8D

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

Preview Lab → · Contrast checker → · Palette generator →