#425ACC#425ACC

#425ACC is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.5% C 0.178 H 270.0°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#425ACC
RGB	rgb(66, 90, 204)
HSL	hsl(230, 58%, 53%)
HSV	hsv(230, 68%, 80%)
CMYK	cmyk(67.6%, 55.9%, 0%, 20%)
CIE-LAB	lab(42.50, 28.42, -61.91)
CIE-LCH	lch(42.50, 68.12, 294.66°)
OKLab	oklab(51.52% 0.0001 -0.1782)
OKLCH	oklch(51.52% 0.178 270)
XYZ	xyz(16.7983, 12.8286, 58.7059)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425ACC #CCB442

analogous

#429FCC #425ACC #6F42CC

triadic

#425ACC #CC425A #5ACC42

tetradic

#425ACC #CC429F #CCB442 #42CC6F

square

#425ACC #CC429F #CCB442 #42CC6F

split-complementary

#425ACC #CC6F42 #9FCC42

monochromatic

#1F2E74 #2C41A4 #425ACC #7284D9 #A2AEE6

Accessibility & contrast

On white

5.89

#425ACC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#425ACC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425ACC

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425ACC	#FFFFFF	#000000	##FFFFFF
##425ACC	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#005ECA

Tritanopia (blue-blind)

#00768A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #425acc;
/* rgb */ color: rgb(66, 90, 204);
/* oklch */ color: oklch(51.5% 0.178 270.0);

Tailwind

colors: {
  custom: {
    50: '#8688dc',
    500: '#425acc',
    950: '#000000',
  },
}

SCSS

$custom: #425acc;
$custom-light: #8688dc;
$custom-dark: #000000;

JSON

{
  "hex": "#425acc",
  "rgb": {
    "r": 66,
    "g": 90,
    "b": 204
  },
  "hsl": {
    "h": 229.565,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51518,
    "c": 0.1782,
    "h": 270
  },
  "luminance": 0.1283
}

Semantic roles & 50–950 ramp

primary

#425ACC

secondary

#D3C897

accent

#C647E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #425ACC

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

Preview Lab → · Contrast checker → · Palette generator →