#425DC4#425DC4

#425DC4 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.5% C 0.164 H 268.9°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#425DC4
RGB	rgb(66, 93, 196)
HSL	hsl(228, 52%, 51%)
HSV	hsv(228, 66%, 77%)
CMYK	cmyk(66.3%, 52.6%, 0%, 23.1%)
CIE-LAB	lab(42.72, 23.67, -56.94)
CIE-LCH	lch(42.72, 61.67, 292.58°)
OKLab	oklab(51.5% -0.003 -0.1635)
OKLCH	oklch(51.5% 0.164 268.9)
XYZ	xyz(16.1215, 12.9710, 53.8679)
Luminance	0.1297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425DC4 #C4A942

analogous

#429EC4 #425DC4 #6842C4

triadic

#425DC4 #C4425D #5DC442

tetradic

#425DC4 #C4429E #C4A942 #42C468

square

#425DC4 #C4429E #C4A942 #42C468

split-complementary

#425DC4 #C46842 #9EC442

monochromatic

#21306A #304699 #425DC4 #7185D3 #9FADE1

Accessibility & contrast

On white

5.84

#425DC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#425DC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425DC4

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425DC4	#FFFFFF	#000000	##FFFFFF
##425DC4	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A6BC8

Deuteranopia (green-blind)

#005FC2

Tritanopia (blue-blind)

#007587

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #425dc4;
/* rgb */ color: rgb(66, 93, 196);
/* oklch */ color: oklch(51.5% 0.164 268.9);

Tailwind

colors: {
  custom: {
    50: '#848ad7',
    500: '#425dc4',
    950: '#000000',
  },
}

SCSS

$custom: #425dc4;
$custom-light: #848ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#425dc4",
  "rgb": {
    "r": 66,
    "g": 93,
    "b": 196
  },
  "hsl": {
    "h": 227.538,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.51501,
    "c": 0.16356,
    "h": 268.9
  },
  "luminance": 0.12972
}

Semantic roles & 50–950 ramp

primary

#425DC4

secondary

#CEC294

accent

#BE4CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #425DC4

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

Preview Lab → · Contrast checker → · Palette generator →