#425BBB#425BBB

#425BBB is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.4% C 0.154 H 269.3°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#425BBB
RGB	rgb(66, 91, 187)
HSL	hsl(228, 48%, 50%)
HSV	hsv(228, 65%, 73%)
CMYK	cmyk(64.7%, 51.3%, 0%, 26.7%)
CIE-LAB	lab(41.57, 21.76, -53.55)
CIE-LCH	lch(41.57, 57.81, 292.11°)
OKLab	oklab(50.44% -0.002 -0.1536)
OKLCH	oklch(50.44% 0.154 269.3)
XYZ	xyz(14.9544, 12.2269, 48.5760)
Luminance	0.1223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425BBB #BBA242

analogous

#4298BB #425BBB #6542BB

triadic

#425BBB #BB425B #5BBB42

tetradic

#425BBB #BB4298 #BBA242 #42BB65

square

#425BBB #BB4298 #BBA242 #42BB65

split-complementary

#425BBB #BB6542 #98BB42

monochromatic

#222F61 #32458E #425BBB #6E82CC #9CA9DC

Accessibility & contrast

On white

6.09

#425BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#425BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425BBB

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425BBB	#FFFFFF	#000000	##FFFFFF
##425BBB	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2368BE

Deuteranopia (green-blind)

#005DB9

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #425bbb;
/* rgb */ color: rgb(66, 91, 187);
/* oklch */ color: oklch(50.4% 0.154 269.3);

Tailwind

colors: {
  custom: {
    50: '#8389d0',
    500: '#425bbb',
    950: '#000000',
  },
}

SCSS

$custom: #425bbb;
$custom-light: #8389d0;
$custom-dark: #000000;

JSON

{
  "hex": "#425bbb",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 187
  },
  "hsl": {
    "h": 227.603,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5044,
    "c": 0.1536,
    "h": 269.3
  },
  "luminance": 0.12228
}

Semantic roles & 50–950 ramp

primary

#425BBB

secondary

#C8BD91

accent

#BC50D7

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #425BBB

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

Preview Lab → · Contrast checker → · Palette generator →