#425CC4#425CC4

#425CC4 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.3% C 0.165 H 269.3°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#425CC4
RGB	rgb(66, 92, 196)
HSL	hsl(228, 52%, 51%)
HSV	hsv(228, 66%, 77%)
CMYK	cmyk(66.3%, 53.1%, 0%, 23.1%)
CIE-LAB	lab(42.46, 24.31, -57.37)
CIE-LCH	lch(42.46, 62.31, 292.97°)
OKLab	oklab(51.3% -0.0021 -0.1648)
OKLCH	oklch(51.3% 0.165 269.3)
XYZ	xyz(16.0343, 12.7966, 53.8388)
Luminance	0.1280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425CC4 #C4AA42

analogous

#429DC4 #425CC4 #6942C4

triadic

#425CC4 #C4425C #5CC442

tetradic

#425CC4 #C4429D #C4AA42 #42C469

square

#425CC4 #C4429D #C4AA42 #42C469

split-complementary

#425CC4 #C46942 #9DC442

monochromatic

#21306A #304599 #425CC4 #7184D3 #9FACE1

Accessibility & contrast

On white

5.90

#425CC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#425CC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425CC4

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425CC4	#FFFFFF	#000000	##FFFFFF
##425CC4	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#166AC8

Deuteranopia (green-blind)

#005FC2

Tritanopia (blue-blind)

#007587

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #425cc4;
/* rgb */ color: rgb(66, 92, 196);
/* oklch */ color: oklch(51.3% 0.165 269.3);

Tailwind

colors: {
  custom: {
    50: '#8589d7',
    500: '#425cc4',
    950: '#000000',
  },
}

SCSS

$custom: #425cc4;
$custom-light: #8589d7;
$custom-dark: #000000;

JSON

{
  "hex": "#425cc4",
  "rgb": {
    "r": 66,
    "g": 92,
    "b": 196
  },
  "hsl": {
    "h": 228,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.51301,
    "c": 0.16481,
    "h": 269.3
  },
  "luminance": 0.12798
}

Semantic roles & 50–950 ramp

primary

#425CC4

secondary

#CEC294

accent

#BF4CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #425CC4

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

Preview Lab → · Contrast checker → · Palette generator →