#425DD1#425DD1

#425DD1 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.5% C 0.181 H 269.3°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#425DD1
RGB	rgb(66, 93, 209)
HSL	hsl(229, 61%, 54%)
HSV	hsv(229, 68%, 82%)
CMYK	cmyk(68.4%, 55.5%, 0%, 18%)
CIE-LAB	lab(43.64, 28.29, -62.95)
CIE-LCH	lch(43.64, 69.01, 294.20°)
OKLab	oklab(52.48% -0.0022 -0.1812)
OKLCH	oklch(52.48% 0.181 269.3)
XYZ	xyz(17.6658, 13.5887, 62.0011)
Luminance	0.1359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425DD1 #D1B642

analogous

#42A5D1 #425DD1 #6F42D1

triadic

#425DD1 #D1425D #5DD142

tetradic

#425DD1 #D142A5 #D1B642 #42D16F

square

#425DD1 #D142A5 #D1B642 #42D16F

split-complementary

#425DD1 #D16F42 #A5D142

monochromatic

#1E2F7B #2A42AC #425DD1 #7387DD #A4B1E9

Accessibility & contrast

On white

5.65

#425DD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#425DD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425DD1

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425DD1	#FFFFFF	#000000	##FFFFFF
##425DD1	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED5

Deuteranopia (green-blind)

#0061CF

Tritanopia (blue-blind)

#00798E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #425dd1;
/* rgb */ color: rgb(66, 93, 209);
/* oklch */ color: oklch(52.5% 0.181 269.3);

Tailwind

colors: {
  custom: {
    50: '#878ae0',
    500: '#425dd1',
    950: '#000000',
  },
}

SCSS

$custom: #425dd1;
$custom-light: #878ae0;
$custom-dark: #000000;

JSON

{
  "hex": "#425dd1",
  "rgb": {
    "r": 66,
    "g": 93,
    "b": 209
  },
  "hsl": {
    "h": 228.671,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.52482,
    "c": 0.18121,
    "h": 269.3
  },
  "luminance": 0.1359
}

Semantic roles & 50–950 ramp

primary

#425DD1

secondary

#D6CA99

accent

#C644E4

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #425DD1

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

Preview Lab → · Contrast checker → · Palette generator →