#425BCC#425BCC

#425BCC is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.7% C 0.177 H 269.7°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#425BCC
RGB	rgb(66, 91, 204)
HSL	hsl(229, 58%, 53%)
HSV	hsv(229, 68%, 80%)
CMYK	cmyk(67.6%, 55.4%, 0%, 20%)
CIE-LAB	lab(42.76, 27.79, -61.50)
CIE-LCH	lch(42.76, 67.48, 294.32°)
OKLab	oklab(51.71% -0.0008 -0.177)
OKLCH	oklch(51.71% 0.177 269.7)
XYZ	xyz(16.8832, 12.9984, 58.7342)
Luminance	0.1300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425BCC #CCB342

analogous

#42A0CC #425BCC #6E42CC

triadic

#425BCC #CC425B #5BCC42

tetradic

#425BCC #CC42A0 #CCB342 #42CC6E

square

#425BCC #CC42A0 #CCB342 #42CC6E

split-complementary

#425BCC #CC6E42 #A0CC42

monochromatic

#1F2F74 #2C42A4 #425BCC #7285D9 #A2AFE6

Accessibility & contrast

On white

5.83

#425BCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#425BCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425BCC

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425BCC	#FFFFFF	#000000	##FFFFFF
##425BCC	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#005FCA

Tritanopia (blue-blind)

#00768A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #425bcc;
/* rgb */ color: rgb(66, 91, 204);
/* oklch */ color: oklch(51.7% 0.177 269.7);

Tailwind

colors: {
  custom: {
    50: '#8689dc',
    500: '#425bcc',
    950: '#000000',
  },
}

SCSS

$custom: #425bcc;
$custom-light: #8689dc;
$custom-dark: #000000;

JSON

{
  "hex": "#425bcc",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 204
  },
  "hsl": {
    "h": 229.13,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51711,
    "c": 0.17696,
    "h": 269.7
  },
  "luminance": 0.13
}

Semantic roles & 50–950 ramp

primary

#425BCC

secondary

#D3C897

accent

#C547E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #425BCC

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

Preview Lab → · Contrast checker → · Palette generator →