#425BB0#425BB0

#425BB0 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.7% C 0.138 H 268.7°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX#425BB0
RGBrgb(66, 91, 176)
HSLhsl(226, 45%, 47%)
HSVhsv(226, 63%, 69%)
CMYKcmyk(62.5%, 48.3%, 0%, 31%)
CIE-LABlab(40.85, 17.87, -48.27)
CIE-LCHlch(40.85, 51.47, 290.32°)
OKLaboklab(49.66% -0.0032 -0.138)
OKLCHoklch(49.66% 0.138 268.7)
XYZxyz(13.8217, 11.7738, 42.6101)
Luminance0.1177 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#425BB0 #B09742
analogous
#4292B0 #425BB0 #6042B0
triadic
#425BB0 #B0425B #5BB042
tetradic
#425BB0 #B04292 #B09742 #42B060
square
#425BB0 #B04292 #B09742 #42B060
split-complementary
#425BB0 #B06042 #92B042
monochromatic
#212D57 #314483 #425BB0 #697EC7 #95A4D7

Accessibility & contrast

On white

6.26
#425BB0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.36
#425BB0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425BB0
6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##425BB0#FFFFFF#000000##FFFFFF
##425BB01.006.263.366.26
#FFFFFF6.261.0021.001.00
#0000003.3621.001.0021.00
##FFFFFF6.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3066B3
Deuteranopia (green-blind)
#1B5CAE
Tritanopia (blue-blind)
#006E7D
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #425bb0;
/* rgb */ color: rgb(66, 91, 176);
/* oklch */ color: oklch(49.7% 0.138 268.7);
Tailwind
colors: {
  custom: {
    50: '#8189c8',
    500: '#425bb0',
    950: '#000000',
  },
}
SCSS
$custom: #425bb0;
$custom-light: #8189c8;
$custom-dark: #000000;
JSON
{
  "hex": "#425bb0",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 176
  },
  "hsl": {
    "h": 226.364,
    "s": 45.455,
    "l": 47.451
  },
  "oklch": {
    "l": 0.49662,
    "c": 0.13807,
    "h": 268.7
  },
  "luminance": 0.11775
}

Semantic roles & 50–950 ramp

primary
#425BB0
secondary
#C3B68B
accent
#B753D5
background
#F8F8FC
surface
#EFEFF8
border
#CACAD1
text
#0B0B13
muted
#7C7C82

Preview Lab

Preview with #425BB0

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

Preview Lab → · Contrast checker → · Palette generator →

#425BB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva