#425CC8#425CC8

#425CC8 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.170 H 269.4°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#425CC8
RGB	rgb(66, 92, 200)
HSL	hsl(228, 55%, 52%)
HSV	hsv(228, 67%, 78%)
CMYK	cmyk(67%, 54%, 0%, 21.6%)
CIE-LAB	lab(42.73, 25.73, -59.23)
CIE-LCH	lch(42.73, 64.58, 293.48°)
OKLab	oklab(51.6% -0.0019 -0.1703)
OKLCH	oklch(51.6% 0.17 269.4)
XYZ	xyz(16.4957, 12.9811, 56.2687)
Luminance	0.1298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425CC8 #C8AE42

analogous

#429FC8 #425CC8 #6B42C8

triadic

#425CC8 #C8425C #5CC842

tetradic

#425CC8 #C8429F #C8AE42 #42C86B

square

#425CC8 #C8429F #C8AE42 #42C86B

split-complementary

#425CC8 #C86B42 #9FC842

monochromatic

#20306F #2E449F #425CC8 #7185D6 #A1AEE4

Accessibility & contrast

On white

5.84

#425CC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#425CC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425CC8

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425CC8	#FFFFFF	#000000	##FFFFFF
##425CC8	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#096BCC

Deuteranopia (green-blind)

#005FC6

Tritanopia (blue-blind)

#007689

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #425cc8;
/* rgb */ color: rgb(66, 92, 200);
/* oklch */ color: oklch(51.6% 0.170 269.4);

Tailwind

colors: {
  custom: {
    50: '#8589d9',
    500: '#425cc8',
    950: '#000000',
  },
}

SCSS

$custom: #425cc8;
$custom-light: #8589d9;
$custom-dark: #000000;

JSON

{
  "hex": "#425cc8",
  "rgb": {
    "r": 66,
    "g": 92,
    "b": 200
  },
  "hsl": {
    "h": 228.358,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.51601,
    "c": 0.17029,
    "h": 269.4
  },
  "luminance": 0.12983
}

Semantic roles & 50–950 ramp

primary

#425CC8

secondary

#D0C596

accent

#C14ADE

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #425CC8

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

Preview Lab → · Contrast checker → · Palette generator →