#425ECB#425ECB

#425ECB is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.2% C 0.172 H 268.9°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#425ECB
RGB	rgb(66, 94, 203)
HSL	hsl(228, 57%, 53%)
HSV	hsv(228, 67%, 80%)
CMYK	cmyk(67.5%, 53.7%, 0%, 20.4%)
CIE-LAB	lab(43.47, 25.52, -59.77)
CIE-LCH	lch(43.47, 64.99, 293.12°)
OKLab	oklab(52.22% -0.0034 -0.1718)
OKLCH	oklch(52.22% 0.172 268.9)
XYZ	xyz(17.0253, 13.4738, 58.1918)
Luminance	0.1348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425ECB #CBAF42

analogous

#42A3CB #425ECB #6A42CB

triadic

#425ECB #CB425E #5ECB42

tetradic

#425ECB #CB42A3 #CBAF42 #42CB6A

square

#425ECB #CB42A3 #CBAF42 #42CB6A

split-complementary

#425ECB #CB6A42 #A3CB42

monochromatic

#203173 #2D45A3 #425ECB #7287D8 #A2B0E5

Accessibility & contrast

On white

5.68

#425ECB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#425ECB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425ECB

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425ECB	#FFFFFF	#000000	##FFFFFF
##425ECB	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C6DCF

Deuteranopia (green-blind)

#0061C9

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #425ecb;
/* rgb */ color: rgb(66, 94, 203);
/* oklch */ color: oklch(52.2% 0.172 268.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#425ecb",
  "rgb": {
    "r": 66,
    "g": 94,
    "b": 203
  },
  "hsl": {
    "h": 227.737,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5222,
    "c": 0.17188,
    "h": 268.9
  },
  "luminance": 0.13475
}

Semantic roles & 50–950 ramp

primary

#425ECB

secondary

#D2C697

accent

#C148E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #425ECB

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

Preview Lab → · Contrast checker → · Palette generator →