#3A37E0#3A37E0

#3A37E0 is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 47.2% C 0.244 H 272.7°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX#3A37E0
RGBrgb(58, 55, 224)
HSLhsl(241, 73%, 55%)
HSVhsv(241, 75%, 88%)
CMYKcmyk(74.1%, 75.4%, 0%, 12.2%)
CIE-LABlab(36.01, 55.10, -84.07)
CIE-LCHlch(36.01, 100.51, 303.24°)
OKLaboklab(47.2% 0.0116 -0.2433)
OKLCHoklch(47.2% 0.244 272.7)
XYZxyz(16.5611, 9.0120, 71.3732)
Luminance0.0901 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A37E0 #DDE037
analogous
#3789E0 #3A37E0 #8F37E0
triadic
#3A37E0 #E03A37 #37E03A
tetradic
#3A37E0 #E03789 #DDE037 #37E08F
square
#3A37E0 #E03789 #DDE037 #37E08F
split-complementary
#3A37E0 #E08F37 #89E037
monochromatic
#171588 #201DBD #3A37E0 #6E6CE8 #A2A1F0

Accessibility & contrast

On white

7.49
#3A37E0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.80
#3A37E0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A37E0
7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A37E0#FFFFFF#000000##FFFFFF
##3A37E01.007.492.807.49
#FFFFFF7.491.0021.001.00
#0000002.8021.001.0021.00
##FFFFFF7.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005DE5
Deuteranopia (green-blind)
#004CDD
Tritanopia (blue-blind)
#00698A
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #3a37e0;
/* rgb */ color: rgb(58, 55, 224);
/* oklch */ color: oklch(47.2% 0.244 272.7);
Tailwind
colors: {
  custom: {
    50: '#8a71eb',
    500: '#3a37e0',
    950: '#000000',
  },
}
SCSS
$custom: #3a37e0;
$custom-light: #8a71eb;
$custom-dark: #000000;
JSON
{
  "hex": "#3a37e0",
  "rgb": {
    "r": 58,
    "g": 55,
    "b": 224
  },
  "hsl": {
    "h": 241.065,
    "s": 73.16,
    "l": 54.706
  },
  "oklch": {
    "l": 0.47202,
    "c": 0.24357,
    "h": 272.7
  },
  "luminance": 0.09014
}

Semantic roles & 50–950 ramp

primary
#3A37E0
secondary
#DCDD96
accent
#F038ED
background
#F9F6FE
surface
#F2ECFD
border
#CCC7D5
text
#0E0816
muted
#7E7B84

Preview Lab

Preview with #3A37E0

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

Preview Lab → · Contrast checker → · Palette generator →

#3A37E0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva