#425ADF#425ADF

#425ADF is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 53.0% C 0.203 H 270.1°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#425ADF
RGB	rgb(66, 90, 223)
HSL	hsl(231, 71%, 57%)
HSV	hsv(231, 70%, 87%)
CMYK	cmyk(70.4%, 59.6%, 0%, 12.5%)
CIE-LAB	lab(43.94, 35.11, -70.45)
CIE-LCH	lch(43.94, 78.71, 296.49°)
OKLab	oklab(53.04% 0.0004 -0.2033)
OKLCH	oklch(53.04% 0.203 270.1)
XYZ	xyz(19.2177, 13.7964, 71.4479)
Luminance	0.1380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425ADF #DFC742

analogous

#42A9DF #425ADF #7942DF

triadic

#425ADF #DF425A #5ADF42

tetradic

#425ADF #DF42A9 #DFC742 #42DF79

square

#425ADF #DF42A9 #DFC742 #42DF79

split-complementary

#425ADF #DF7942 #A9DF42

monochromatic

#182A8E #213AC3 #425ADF #7688E8 #ABB5F1

Accessibility & contrast

On white

5.59

#425ADF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#425ADF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425ADF

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425ADF	#FFFFFF	#000000	##FFFFFF
##425ADF	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE3

Deuteranopia (green-blind)

#0061DC

Tritanopia (blue-blind)

#007C94

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #425adf;
/* rgb */ color: rgb(66, 90, 223);
/* oklch */ color: oklch(53.0% 0.203 270.1);

Tailwind

colors: {
  custom: {
    50: '#8a88ea',
    500: '#425adf',
    950: '#000000',
  },
}

SCSS

$custom: #425adf;
$custom-light: #8a88ea;
$custom-dark: #000000;

JSON

{
  "hex": "#425adf",
  "rgb": {
    "r": 66,
    "g": 90,
    "b": 223
  },
  "hsl": {
    "h": 230.828,
    "s": 71.041,
    "l": 56.667
  },
  "oklch": {
    "l": 0.53038,
    "c": 0.20329,
    "h": 270.1
  },
  "luminance": 0.13798
}

Semantic roles & 50–950 ramp

primary

#425ADF

secondary

#DFD59E

accent

#D23AEE

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #425ADF

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

Preview Lab → · Contrast checker → · Palette generator →