#425DC9#425DC9

#425DC9 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.9% C 0.170 H 269.1°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#425DC9
RGB	rgb(66, 93, 201)
HSL	hsl(228, 56%, 52%)
HSV	hsv(228, 67%, 79%)
CMYK	cmyk(67.2%, 53.7%, 0%, 21.2%)
CIE-LAB	lab(43.07, 25.45, -59.27)
CIE-LCH	lch(43.07, 64.50, 293.24°)
OKLab	oklab(51.87% -0.0027 -0.1704)
OKLCH	oklch(51.87% 0.17 269.1)
XYZ	xyz(16.7001, 13.2024, 56.9152)
Luminance	0.1320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425DC9 #C9AE42

analogous

#42A1C9 #425DC9 #6A42C9

triadic

#425DC9 #C9425D #5DC942

tetradic

#425DC9 #C942A1 #C9AE42 #42C96A

square

#425DC9 #C942A1 #C9AE42 #42C96A

split-complementary

#425DC9 #C96A42 #A1C942

monochromatic

#203070 #2E45A0 #425DC9 #7286D7 #A1AFE4

Accessibility & contrast

On white

5.77

#425DC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#425DC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425DC9

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425DC9	#FFFFFF	#000000	##FFFFFF
##425DC9	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D6CCD

Deuteranopia (green-blind)

#0060C7

Tritanopia (blue-blind)

#00778A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #425dc9;
/* rgb */ color: rgb(66, 93, 201);
/* oklch */ color: oklch(51.9% 0.170 269.1);

Tailwind

colors: {
  custom: {
    50: '#858ada',
    500: '#425dc9',
    950: '#000000',
  },
}

SCSS

$custom: #425dc9;
$custom-light: #858ada;
$custom-dark: #000000;

JSON

{
  "hex": "#425dc9",
  "rgb": {
    "r": 66,
    "g": 93,
    "b": 201
  },
  "hsl": {
    "h": 228,
    "s": 55.556,
    "l": 52.353
  },
  "oklch": {
    "l": 0.51873,
    "c": 0.1704,
    "h": 269.1
  },
  "luminance": 0.13204
}

Semantic roles & 50–950 ramp

primary

#425DC9

secondary

#D1C596

accent

#C149DF

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #425DC9

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

Preview Lab → · Contrast checker → · Palette generator →