#353F9F#353F9F

#353F9F is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.9% C 0.154 H 273.2°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#353F9F
RGB	rgb(53, 63, 159)
HSL	hsl(234, 50%, 42%)
HSV	hsv(234, 67%, 62%)
CMYK	cmyk(66.7%, 60.4%, 0%, 37.6%)
CIE-LAB	lab(31.38, 27.83, -53.47)
CIE-LCH	lch(31.38, 60.28, 297.49°)
OKLab	oklab(41.95% 0.0087 -0.154)
OKLCH	oklch(41.95% 0.154 273.2)
XYZ	xyz(9.5016, 6.8143, 33.6087)
Luminance	0.0682 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353F9F #9F9535

analogous

#35749F #353F9F #60359F

triadic

#353F9F #9F353F #3F9F35

tetradic

#353F9F #9F3574 #9F9535 #359F60

square

#353F9F #9F3574 #9F9535 #359F60

split-complementary

#353F9F #9F6035 #749F35

monochromatic

#161B43 #262D71 #353F9F #4D59C4 #7B84D3

Accessibility & contrast

On white

8.89

#353F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#353F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353F9F

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353F9F	#FFFFFF	#000000	##FFFFFF
##353F9F	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA2

Deuteranopia (green-blind)

#00459D

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #353f9f;
/* rgb */ color: rgb(53, 63, 159);
/* oklch */ color: oklch(41.9% 0.154 273.2);

Tailwind

colors: {
  custom: {
    50: '#7974bc',
    500: '#353f9f',
    950: '#000000',
  },
}

SCSS

$custom: #353f9f;
$custom-light: #7974bc;
$custom-dark: #000000;

JSON

{
  "hex": "#353f9f",
  "rgb": {
    "r": 53,
    "g": 63,
    "b": 159
  },
  "hsl": {
    "h": 234.34,
    "s": 50,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41947,
    "c": 0.15425,
    "h": 273.2
  },
  "luminance": 0.06815
}

Semantic roles & 50–950 ramp

primary

#353F9F

secondary

#BCB574

accent

#CC4EDA

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #353F9F

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

Preview Lab → · Contrast checker → · Palette generator →