#425ECC#425ECC

#425ECC is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.3% C 0.173 H 268.9°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#425ECC
RGB	rgb(66, 94, 204)
HSL	hsl(228, 58%, 53%)
HSV	hsv(228, 68%, 80%)
CMYK	cmyk(67.6%, 53.9%, 0%, 20%)
CIE-LAB	lab(43.54, 25.88, -60.23)
CIE-LCH	lch(43.54, 65.56, 293.25°)
OKLab	oklab(52.3% -0.0033 -0.1732)
OKLCH	oklch(52.3% 0.173 268.9)
XYZ	xyz(17.1448, 13.5216, 58.8214)
Luminance	0.1352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425ECC #CCB042

analogous

#42A3CC #425ECC #6B42CC

triadic

#425ECC #CC425E #5ECC42

tetradic

#425ECC #CC42A3 #CCB042 #42CC6B

square

#425ECC #CC42A3 #CCB042 #42CC6B

split-complementary

#425ECC #CC6B42 #A3CC42

monochromatic

#1F3174 #2C45A4 #425ECC #7287D9 #A2B0E6

Accessibility & contrast

On white

5.67

#425ECC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#425ECC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425ECC

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425ECC	#FFFFFF	#000000	##FFFFFF
##425ECC	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#086DD0

Deuteranopia (green-blind)

#0061CA

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #425ecc;
/* rgb */ color: rgb(66, 94, 204);
/* oklch */ color: oklch(52.3% 0.173 268.9);

Tailwind

colors: {
  custom: {
    50: '#868bdc',
    500: '#425ecc',
    950: '#000000',
  },
}

SCSS

$custom: #425ecc;
$custom-light: #868bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#425ecc",
  "rgb": {
    "r": 66,
    "g": 94,
    "b": 204
  },
  "hsl": {
    "h": 227.826,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.52295,
    "c": 0.17324,
    "h": 268.9
  },
  "luminance": 0.13523
}

Semantic roles & 50–950 ramp

primary

#425ECC

secondary

#D3C797

accent

#C247E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #425ECC

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

Preview Lab → · Contrast checker → · Palette generator →