#425AC9#425AC9

#425AC9 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.3% C 0.174 H 270.0°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#425AC9
RGB	rgb(66, 90, 201)
HSL	hsl(229, 56%, 52%)
HSV	hsv(229, 67%, 79%)
CMYK	cmyk(67.2%, 55.2%, 0%, 21.2%)
CIE-LAB	lab(42.29, 27.36, -60.53)
CIE-LCH	lch(42.29, 66.43, 294.32°)
OKLab	oklab(51.29% -0.0001 -0.1741)
OKLCH	oklch(51.29% 0.174 270)
XYZ	xyz(16.4420, 12.6861, 56.8292)
Luminance	0.1269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425AC9 #C9B142

analogous

#429EC9 #425AC9 #6D42C9

triadic

#425AC9 #C9425A #5AC942

tetradic

#425AC9 #C9429E #C9B142 #42C96D

square

#425AC9 #C9429E #C9B142 #42C96D

split-complementary

#425AC9 #C96D42 #9EC942

monochromatic

#202E70 #2E42A0 #425AC9 #7284D7 #A1ADE4

Accessibility & contrast

On white

5.94

#425AC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#425AC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425AC9

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425AC9	#FFFFFF	#000000	##FFFFFF
##425AC9	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACD

Deuteranopia (green-blind)

#005EC7

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #425ac9;
/* rgb */ color: rgb(66, 90, 201);
/* oklch */ color: oklch(51.3% 0.174 270.0);

Tailwind

colors: {
  custom: {
    50: '#8688da',
    500: '#425ac9',
    950: '#000000',
  },
}

SCSS

$custom: #425ac9;
$custom-light: #8688da;
$custom-dark: #000000;

JSON

{
  "hex": "#425ac9",
  "rgb": {
    "r": 66,
    "g": 90,
    "b": 201
  },
  "hsl": {
    "h": 229.333,
    "s": 55.556,
    "l": 52.353
  },
  "oklch": {
    "l": 0.51286,
    "c": 0.17414,
    "h": 270
  },
  "luminance": 0.12688
}

Semantic roles & 50–950 ramp

primary

#425AC9

secondary

#D1C696

accent

#C449DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #425AC9

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

Preview Lab → · Contrast checker → · Palette generator →