#425FC5#425FC5

#425FC5 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.0% C 0.162 H 268.3°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#425FC5
RGB	rgb(66, 95, 197)
HSL	hsl(227, 53%, 52%)
HSV	hsv(227, 66%, 77%)
CMYK	cmyk(66.5%, 51.8%, 0%, 22.7%)
CIE-LAB	lab(43.32, 22.75, -56.55)
CIE-LCH	lch(43.32, 60.96, 291.92°)
OKLab	oklab(51.98% -0.0048 -0.1623)
OKLCH	oklch(51.98% 0.162 268.3)
XYZ	xyz(16.4136, 13.3723, 54.5286)
Luminance	0.1337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425FC5 #C5A842

analogous

#42A0C5 #425FC5 #6742C5

triadic

#425FC5 #C5425F #5FC542

tetradic

#425FC5 #C542A0 #C5A842 #42C567

square

#425FC5 #C542A0 #C5A842 #42C567

split-complementary

#425FC5 #C56742 #A0C542

monochromatic

#21326C #2F479A #425FC5 #7187D3 #A0AEE2

Accessibility & contrast

On white

5.71

#425FC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#425FC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425FC5

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425FC5	#FFFFFF	#000000	##FFFFFF
##425FC5	1.00	5.71	3.67	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#206DC9

Deuteranopia (green-blind)

#0061C3

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #425fc5;
/* rgb */ color: rgb(66, 95, 197);
/* oklch */ color: oklch(52.0% 0.162 268.3);

Tailwind

colors: {
  custom: {
    50: '#858cd7',
    500: '#425fc5',
    950: '#000000',
  },
}

SCSS

$custom: #425fc5;
$custom-light: #858cd7;
$custom-dark: #000000;

JSON

{
  "hex": "#425fc5",
  "rgb": {
    "r": 66,
    "g": 95,
    "b": 197
  },
  "hsl": {
    "h": 226.718,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51975,
    "c": 0.16242,
    "h": 268.3
  },
  "luminance": 0.13374
}

Semantic roles & 50–950 ramp

primary

#425FC5

secondary

#CEC195

accent

#BC4BDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #425FC5

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

Preview Lab → · Contrast checker → · Palette generator →