#3735CB#3735CB

#3735CB is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.6% C 0.222 H 273.3°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX#3735CB
RGBrgb(55, 53, 203)
HSLhsl(241, 59%, 50%)
HSVhsv(241, 74%, 80%)
CMYKcmyk(72.9%, 73.9%, 0%, 20.4%)
CIE-LABlab(33.28, 49.25, -76.45)
CIE-LCHlch(33.28, 90.94, 302.79°)
OKLaboklab(44.59% 0.0129 -0.2212)
OKLCHoklch(44.59% 0.222 273.3)
XYZxyz(13.6245, 7.6688, 57.2505)
Luminance0.0767 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3735CB #C9CB35
analogous
#357ECB #3735CB #8235CB
triadic
#3735CB #CB3735 #35CB37
tetradic
#3735CB #CB357E #C9CB35 #35CB82
square
#3735CB #CB357E #C9CB35 #35CB82
split-complementary
#3735CB #CB8235 #7ECB35
monochromatic
#1C1B6A #29289B #3735CB #6766D8 #9796E4

Accessibility & contrast

On white

8.29
#3735CB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.53
#3735CB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3735CB
8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3735CB#FFFFFF#000000##FFFFFF
##3735CB1.008.292.538.29
#FFFFFF8.291.0021.001.00
#0000002.5321.001.0021.00
##FFFFFF8.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0055CF
Deuteranopia (green-blind)
#0047C8
Tritanopia (blue-blind)
#00617D
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #3735cb;
/* rgb */ color: rgb(55, 53, 203);
/* oklch */ color: oklch(44.6% 0.222 273.3);
Tailwind
colors: {
  custom: {
    50: '#846edc',
    500: '#3735cb',
    950: '#000000',
  },
}
SCSS
$custom: #3735cb;
$custom-light: #846edc;
$custom-dark: #000000;
JSON
{
  "hex": "#3735cb",
  "rgb": {
    "r": 55,
    "g": 53,
    "b": 203
  },
  "hsl": {
    "h": 240.8,
    "s": 59.055,
    "l": 50.196
  },
  "oklch": {
    "l": 0.44586,
    "c": 0.22158,
    "h": 273.3
  },
  "luminance": 0.0767
}

Semantic roles & 50–950 ramp

primary
#3735CB
secondary
#CFCF8C
accent
#E246E0
background
#F9F6FD
surface
#F1ECFB
border
#CBC7D4
text
#0D0715
muted
#7E7A83

Preview Lab

Preview with #3735CB

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

Preview Lab → · Contrast checker → · Palette generator →

#3735CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva