#425CC5#425CC5

#425CC5 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.4% C 0.166 H 269.3°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#425CC5
RGB	rgb(66, 92, 197)
HSL	hsl(228, 53%, 52%)
HSV	hsv(228, 66%, 77%)
CMYK	cmyk(66.5%, 53.3%, 0%, 22.7%)
CIE-LAB	lab(42.52, 24.67, -57.83)
CIE-LCH	lch(42.52, 62.88, 293.10°)
OKLab	oklab(51.38% -0.0021 -0.1662)
OKLCH	oklch(51.38% 0.166 269.3)
XYZ	xyz(16.1485, 12.8423, 54.4403)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425CC5 #C5AB42

analogous

#429DC5 #425CC5 #6A42C5

triadic

#425CC5 #C5425C #5CC542

tetradic

#425CC5 #C5429D #C5AB42 #42C56A

square

#425CC5 #C5429D #C5AB42 #42C56A

split-complementary

#425CC5 #C56A42 #9DC542

monochromatic

#21306C #2F459A #425CC5 #7184D3 #A0ADE2

Accessibility & contrast

On white

5.88

#425CC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#425CC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425CC5

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425CC5	#FFFFFF	#000000	##FFFFFF
##425CC5	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#136BC9

Deuteranopia (green-blind)

#005FC3

Tritanopia (blue-blind)

#007587

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #425cc5;
/* rgb */ color: rgb(66, 92, 197);
/* oklch */ color: oklch(51.4% 0.166 269.3);

Tailwind

colors: {
  custom: {
    50: '#8589d7',
    500: '#425cc5',
    950: '#000000',
  },
}

SCSS

$custom: #425cc5;
$custom-light: #8589d7;
$custom-dark: #000000;

JSON

{
  "hex": "#425cc5",
  "rgb": {
    "r": 66,
    "g": 92,
    "b": 197
  },
  "hsl": {
    "h": 228.092,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51375,
    "c": 0.16618,
    "h": 269.3
  },
  "luminance": 0.12844
}

Semantic roles & 50–950 ramp

primary

#425CC5

secondary

#CEC395

accent

#C04BDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #425CC5

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

Preview Lab → · Contrast checker → · Palette generator →