#425FD4#425FD4

#425FD4 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.1% C 0.183 H 268.8°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#425FD4
RGB	rgb(66, 95, 212)
HSL	hsl(228, 63%, 55%)
HSV	hsv(228, 69%, 83%)
CMYK	cmyk(68.9%, 55.2%, 0%, 16.9%)
CIE-LAB	lab(44.37, 28.08, -63.48)
CIE-LCH	lch(44.37, 69.42, 293.86°)
OKLab	oklab(53.1% -0.0037 -0.1827)
OKLCH	oklch(53.1% 0.183 268.8)
XYZ	xyz(18.2186, 14.0943, 64.0349)
Luminance	0.1410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425FD4 #D4B742

analogous

#42A8D4 #425FD4 #6E42D4

triadic

#425FD4 #D4425F #5FD442

tetradic

#425FD4 #D442A8 #D4B742 #42D46E

square

#425FD4 #D442A8 #D4B742 #42D46E

split-complementary

#425FD4 #D46E42 #A8D442

monochromatic

#1D307F #2843B1 #425FD4 #7489DF #A6B3EB

Accessibility & contrast

On white

5.50

#425FD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#425FD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425FD4

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425FD4	#FFFFFF	#000000	##FFFFFF
##425FD4	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070D8

Deuteranopia (green-blind)

#0062D2

Tritanopia (blue-blind)

#007B90

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #425fd4;
/* rgb */ color: rgb(66, 95, 212);
/* oklch */ color: oklch(53.1% 0.183 268.8);

Tailwind

colors: {
  custom: {
    50: '#878ce2',
    500: '#425fd4',
    950: '#000000',
  },
}

SCSS

$custom: #425fd4;
$custom-light: #878ce2;
$custom-dark: #000000;

JSON

{
  "hex": "#425fd4",
  "rgb": {
    "r": 66,
    "g": 95,
    "b": 212
  },
  "hsl": {
    "h": 228.082,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.53099,
    "c": 0.18279,
    "h": 268.8
  },
  "luminance": 0.14096
}

Semantic roles & 50–950 ramp

primary

#425FD4

secondary

#D8CC9A

accent

#C542E6

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #425FD4

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

Preview Lab → · Contrast checker → · Palette generator →