#425BC8#425BC8

#425BC8 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.4% C 0.172 H 269.7°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#425BC8
RGB	rgb(66, 91, 200)
HSL	hsl(229, 55%, 52%)
HSV	hsv(229, 67%, 78%)
CMYK	cmyk(67%, 54.5%, 0%, 21.6%)
CIE-LAB	lab(42.47, 26.37, -59.65)
CIE-LCH	lch(42.47, 65.22, 293.85°)
OKLab	oklab(51.4% -0.001 -0.1715)
OKLCH	oklch(51.4% 0.172 269.7)
XYZ	xyz(16.4096, 12.8090, 56.2400)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425BC8 #C8AF42

analogous

#429EC8 #425BC8 #6C42C8

triadic

#425BC8 #C8425B #5BC842

tetradic

#425BC8 #C8429E #C8AF42 #42C86C

square

#425BC8 #C8429E #C8AF42 #42C86C

split-complementary

#425BC8 #C86C42 #9EC842

monochromatic

#202F6F #2E439F #425BC8 #7184D6 #A1ADE4

Accessibility & contrast

On white

5.90

#425BC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#425BC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425BC8

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425BC8	#FFFFFF	#000000	##FFFFFF
##425BC8	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCC

Deuteranopia (green-blind)

#005EC6

Tritanopia (blue-blind)

#007588

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #425bc8;
/* rgb */ color: rgb(66, 91, 200);
/* oklch */ color: oklch(51.4% 0.172 269.7);

Tailwind

colors: {
  custom: {
    50: '#8589d9',
    500: '#425bc8',
    950: '#000000',
  },
}

SCSS

$custom: #425bc8;
$custom-light: #8589d9;
$custom-dark: #000000;

JSON

{
  "hex": "#425bc8",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 200
  },
  "hsl": {
    "h": 228.806,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.51404,
    "c": 0.17153,
    "h": 269.7
  },
  "luminance": 0.12811
}

Semantic roles & 50–950 ramp

primary

#425BC8

secondary

#D0C596

accent

#C34ADE

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #425BC8

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

Preview Lab → · Contrast checker → · Palette generator →