#425FD1#425FD1

#425FD1 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.9% C 0.179 H 268.8°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#425FD1
RGB	rgb(66, 95, 209)
HSL	hsl(228, 61%, 54%)
HSV	hsv(228, 68%, 82%)
CMYK	cmyk(68.4%, 54.5%, 0%, 18%)
CIE-LAB	lab(44.15, 27.02, -62.11)
CIE-LCH	lch(44.15, 67.73, 293.51°)
OKLab	oklab(52.87% -0.0039 -0.1787)
OKLCH	oklch(52.87% 0.179 268.8)
XYZ	xyz(17.8436, 13.9444, 62.0604)
Luminance	0.1395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425FD1 #D1B442

analogous

#42A7D1 #425FD1 #6D42D1

triadic

#425FD1 #D1425F #5FD142

tetradic

#425FD1 #D142A7 #D1B442 #42D16D

square

#425FD1 #D142A7 #D1B442 #42D16D

split-complementary

#425FD1 #D16D42 #A7D142

monochromatic

#1E317B #2A44AC #425FD1 #7389DD #A4B2E9

Accessibility & contrast

On white

5.54

#425FD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#425FD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425FD1

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425FD1	#FFFFFF	#000000	##FFFFFF
##425FD1	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD5

Deuteranopia (green-blind)

#0062CF

Tritanopia (blue-blind)

#007B8F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #425fd1;
/* rgb */ color: rgb(66, 95, 209);
/* oklch */ color: oklch(52.9% 0.179 268.8);

Tailwind

colors: {
  custom: {
    50: '#878ce0',
    500: '#425fd1',
    950: '#000000',
  },
}

SCSS

$custom: #425fd1;
$custom-light: #878ce0;
$custom-dark: #000000;

JSON

{
  "hex": "#425fd1",
  "rgb": {
    "r": 66,
    "g": 95,
    "b": 209
  },
  "hsl": {
    "h": 227.832,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.5287,
    "c": 0.17876,
    "h": 268.8
  },
  "luminance": 0.13946
}

Semantic roles & 50–950 ramp

primary

#425FD1

secondary

#D6CA99

accent

#C344E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0D0C15

muted

#7D7D83

Preview Lab

Preview with #425FD1

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

Preview Lab → · Contrast checker → · Palette generator →