#425CCC#425CCC

#425CCC is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.9% C 0.176 H 269.5°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#425CCC
RGB	rgb(66, 92, 204)
HSL	hsl(229, 58%, 53%)
HSV	hsv(229, 68%, 80%)
CMYK	cmyk(67.6%, 54.9%, 0%, 20%)
CIE-LAB	lab(43.02, 27.15, -61.08)
CIE-LCH	lch(43.02, 66.84, 293.97°)
OKLab	oklab(51.9% -0.0016 -0.1757)
OKLCH	oklch(51.9% 0.176 269.5)
XYZ	xyz(16.9693, 13.1706, 58.7629)
Luminance	0.1317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425CCC #CCB242

analogous

#42A1CC #425CCC #6D42CC

triadic

#425CCC #CC425C #5CCC42

tetradic

#425CCC #CC42A1 #CCB242 #42CC6D

square

#425CCC #CC42A1 #CCB242 #42CC6D

split-complementary

#425CCC #CC6D42 #A1CC42

monochromatic

#1F2F74 #2C43A4 #425CCC #7286D9 #A2AFE6

Accessibility & contrast

On white

5.78

#425CCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#425CCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425CCC

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425CCC	#FFFFFF	#000000	##FFFFFF
##425CCC	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD0

Deuteranopia (green-blind)

#0060CA

Tritanopia (blue-blind)

#00778B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #425ccc;
/* rgb */ color: rgb(66, 92, 204);
/* oklch */ color: oklch(51.9% 0.176 269.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#425ccc",
  "rgb": {
    "r": 66,
    "g": 92,
    "b": 204
  },
  "hsl": {
    "h": 228.696,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51904,
    "c": 0.17572,
    "h": 269.5
  },
  "luminance": 0.13172
}

Semantic roles & 50–950 ramp

primary

#425CCC

secondary

#D3C797

accent

#C447E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #425CCC

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

Preview Lab → · Contrast checker → · Palette generator →