#425FD3#425FD3

#425FD3 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.0% C 0.181 H 268.8°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#425FD3
RGB	rgb(66, 95, 211)
HSL	hsl(228, 62%, 54%)
HSV	hsv(228, 69%, 83%)
CMYK	cmyk(68.7%, 55%, 0%, 17.3%)
CIE-LAB	lab(44.30, 27.73, -63.03)
CIE-LCH	lch(44.30, 68.86, 293.75°)
OKLab	oklab(53.02% -0.0038 -0.1814)
OKLCH	oklch(53.02% 0.181 268.8)
XYZ	xyz(18.0928, 14.0440, 63.3727)
Luminance	0.1405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425FD3 #D3B642

analogous

#42A8D3 #425FD3 #6E42D3

triadic

#425FD3 #D3425F #5FD342

tetradic

#425FD3 #D342A8 #D3B642 #42D36E

square

#425FD3 #D342A8 #D3B642 #42D36E

split-complementary

#425FD3 #D36E42 #A8D342

monochromatic

#1D307D #2944AF #425FD3 #7489DF #A5B3EA

Accessibility & contrast

On white

5.51

#425FD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#425FD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425FD3

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425FD3	#FFFFFF	#000000	##FFFFFF
##425FD3	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070D7

Deuteranopia (green-blind)

#0062D1

Tritanopia (blue-blind)

#007B90

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #425fd3;
/* rgb */ color: rgb(66, 95, 211);
/* oklch */ color: oklch(53.0% 0.181 268.8);

Tailwind

colors: {
  custom: {
    50: '#878ce1',
    500: '#425fd3',
    950: '#000000',
  },
}

SCSS

$custom: #425fd3;
$custom-light: #878ce1;
$custom-dark: #000000;

JSON

{
  "hex": "#425fd3",
  "rgb": {
    "r": 66,
    "g": 95,
    "b": 211
  },
  "hsl": {
    "h": 228,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.53022,
    "c": 0.18145,
    "h": 268.8
  },
  "luminance": 0.14046
}

Semantic roles & 50–950 ramp

primary

#425FD3

secondary

#D7CB9A

accent

#C542E5

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #425FD3

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

Preview Lab → · Contrast checker → · Palette generator →