#425FDB#425FDB

#425FDB is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.6% C 0.192 H 269.0°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX#425FDB
RGBrgb(66, 95, 219)
HSLhsl(229, 68%, 56%)
HSVhsv(229, 70%, 86%)
CMYKcmyk(69.9%, 56.6%, 0%, 14.1%)
CIE-LABlab(44.88, 30.56, -66.65)
CIE-LCHlch(44.88, 73.32, 294.64°)
OKLaboklab(53.64% -0.0034 -0.192)
OKLCHoklch(53.64% 0.192 269)
XYZxyz(19.1208, 14.4552, 68.7866)
Luminance0.1446 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#425FDB #DBBE42
analogous
#42ACDB #425FDB #7142DB
triadic
#425FDB #DB425F #5FDB42
tetradic
#425FDB #DB42AC #DBBE42 #42DB71
square
#425FDB #DB42AC #DBBE42 #42DB71
split-complementary
#425FDB #DB7142 #ACDB42
monochromatic
#1A2F89 #2441BC #425FDB #758BE5 #A9B6EF

Accessibility & contrast

On white

5.40
#425FDB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.89
#425FDB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425FDB
5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##425FDB#FFFFFF#000000##FFFFFF
##425FDB1.005.403.895.40
#FFFFFF5.401.0021.001.00
#0000003.8921.001.0021.00
##FFFFFF5.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0071DF
Deuteranopia (green-blind)
#0063D9
Tritanopia (blue-blind)
#007D94
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #425fdb;
/* rgb */ color: rgb(66, 95, 219);
/* oklch */ color: oklch(53.6% 0.192 269.0);
Tailwind
colors: {
  custom: {
    50: '#898ce7',
    500: '#425fdb',
    950: '#000000',
  },
}
SCSS
$custom: #425fdb;
$custom-light: #898ce7;
$custom-dark: #000000;
JSON
{
  "hex": "#425fdb",
  "rgb": {
    "r": 66,
    "g": 95,
    "b": 219
  },
  "hsl": {
    "h": 228.627,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.53643,
    "c": 0.19208,
    "h": 269
  },
  "luminance": 0.14457
}

Semantic roles & 50–950 ramp

primary
#425FDB
secondary
#DCD09D
accent
#CA3DEB
background
#F9F8FE
surface
#F1F0FD
border
#CBCBD5
text
#0D0C16
muted
#7E7D84

Preview Lab

Preview with #425FDB

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

Preview Lab → · Contrast checker → · Palette generator →

#425FDB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva