#4757DB#4757DB

#4757DB is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 52.4% C 0.200 H 272.2°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX#4757DB
RGBrgb(71, 87, 219)
HSLhsl(234, 67%, 57%)
HSVhsv(234, 68%, 86%)
CMYKcmyk(67.6%, 60.3%, 0%, 14.1%)
CIE-LABlab(43.17, 36.24, -69.43)
CIE-LCHlch(43.17, 78.32, 297.57°)
OKLaboklab(52.44% 0.0077 -0.2002)
OKLCHoklch(52.44% 0.2 272.2)
XYZxyz(18.7886, 13.2687, 68.5751)
Luminance0.1327 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4757DB #DBCB47
analogous
#47A1DB #4757DB #8147DB
triadic
#4757DB #DB4757 #57DB47
tetradic
#4757DB #DB47A1 #DBCB47 #47DB81
square
#4757DB #DB47A1 #DBCB47 #47DB81
split-complementary
#4757DB #DB8147 #A1DB47
monochromatic
#1B288C #2536BF #4757DB #7A86E5 #ADB4EF

Accessibility & contrast

On white

5.75
#4757DB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.65
#4757DB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4757DB
5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4757DB#FFFFFF#000000##FFFFFF
##4757DB1.005.753.655.75
#FFFFFF5.751.0021.001.00
#0000003.6521.001.0021.00
##FFFFFF5.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006DDF
Deuteranopia (green-blind)
#005FD8
Tritanopia (blue-blind)
#007891
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #4757db;
/* rgb */ color: rgb(71, 87, 219);
/* oklch */ color: oklch(52.4% 0.200 272.2);
Tailwind
colors: {
  custom: {
    50: '#8c86e7',
    500: '#4757db',
    950: '#000000',
  },
}
SCSS
$custom: #4757db;
$custom-light: #8c86e7;
$custom-dark: #000000;
JSON
{
  "hex": "#4757db",
  "rgb": {
    "r": 71,
    "g": 87,
    "b": 219
  },
  "hsl": {
    "h": 233.514,
    "s": 67.273,
    "l": 56.863
  },
  "oklch": {
    "l": 0.52439,
    "c": 0.20034,
    "h": 272.2
  },
  "luminance": 0.1327
}

Semantic roles & 50–950 ramp

primary
#4757DB
secondary
#DDD7A1
accent
#D83EEA
background
#F9F8FE
surface
#F2EFFD
border
#CCCAD5
text
#0D0B16
muted
#7E7C84

Preview Lab

Preview with #4757DB

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

Preview Lab → · Contrast checker → · Palette generator →

#4757DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva