#425ECF#425ECF

#425ECF is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.5% C 0.177 H 269.0°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX#425ECF
RGBrgb(66, 94, 207)
HSLhsl(228, 59%, 54%)
HSVhsv(228, 68%, 81%)
CMYKcmyk(68.1%, 54.6%, 0%, 18.8%)
CIE-LABlab(43.75, 26.94, -61.62)
CIE-LCHlch(43.75, 67.25, 293.62°)
OKLaboklab(52.52% -0.0032 -0.1773)
OKLCHoklch(52.52% 0.177 269)
XYZxyz(17.5081, 13.6670, 60.7347)
Luminance0.1367 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#425ECF #CFB342
analogous
#42A4CF #425ECF #6C42CF
triadic
#425ECF #CF425E #5ECF42
tetradic
#425ECF #CF42A4 #CFB342 #42CF6C
square
#425ECF #CF42A4 #CFB342 #42CF6C
split-complementary
#425ECF #CF6C42 #A4CF42
monochromatic
#1F3078 #2B44A9 #425ECF #7388DB #A4B1E8

Accessibility & contrast

On white

5.62
#425ECF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.73
#425ECF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425ECF
5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##425ECF#FFFFFF#000000##FFFFFF
##425ECF1.005.623.735.62
#FFFFFF5.621.0021.001.00
#0000003.7321.001.0021.00
##FFFFFF5.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006ED3
Deuteranopia (green-blind)
#0061CD
Tritanopia (blue-blind)
#00798D
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #425ecf;
/* rgb */ color: rgb(66, 94, 207);
/* oklch */ color: oklch(52.5% 0.177 269.0);
Tailwind
colors: {
  custom: {
    50: '#878bde',
    500: '#425ecf',
    950: '#000000',
  },
}
SCSS
$custom: #425ecf;
$custom-light: #878bde;
$custom-dark: #000000;
JSON
{
  "hex": "#425ecf",
  "rgb": {
    "r": 66,
    "g": 94,
    "b": 207
  },
  "hsl": {
    "h": 228.085,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.52522,
    "c": 0.1773,
    "h": 269
  },
  "luminance": 0.13669
}

Semantic roles & 50–950 ramp

primary
#425ECF
secondary
#D5C998
accent
#C345E3
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0D0B15
muted
#7D7C83

Preview Lab

Preview with #425ECF

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

Preview Lab → · Contrast checker → · Palette generator →

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