#425BBF#425BBF

#425BBF is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.7% C 0.159 H 269.4°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#425BBF
RGB	rgb(66, 91, 191)
HSL	hsl(228, 49%, 50%)
HSV	hsv(228, 65%, 75%)
CMYK	cmyk(65.4%, 52.4%, 0%, 25.1%)
CIE-LAB	lab(41.85, 23.18, -55.45)
CIE-LCH	lch(41.85, 60.10, 292.69°)
OKLab	oklab(50.73% -0.0016 -0.1592)
OKLCH	oklch(50.73% 0.159 269.4)
XYZ	xyz(15.3886, 12.4006, 50.8627)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425BBF #BFA642

analogous

#4299BF #425BBF #6742BF

triadic

#425BBF #BF425B #5BBF42

tetradic

#425BBF #BF4299 #BFA642 #42BF67

square

#425BBF #BF4299 #BFA642 #42BF67

split-complementary

#425BBF #BF6742 #99BF42

monochromatic

#222F65 #324592 #425BBF #7083CE #9DAADE

Accessibility & contrast

On white

6.03

#425BBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#425BBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425BBF

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425BBF	#FFFFFF	#000000	##FFFFFF
##425BBF	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C69C3

Deuteranopia (green-blind)

#005DBD

Tritanopia (blue-blind)

#007384

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #425bbf;
/* rgb */ color: rgb(66, 91, 191);
/* oklch */ color: oklch(50.7% 0.159 269.4);

Tailwind

colors: {
  custom: {
    50: '#8489d3',
    500: '#425bbf',
    950: '#000000',
  },
}

SCSS

$custom: #425bbf;
$custom-light: #8489d3;
$custom-dark: #000000;

JSON

{
  "hex": "#425bbf",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 191
  },
  "hsl": {
    "h": 228,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50732,
    "c": 0.15918,
    "h": 269.4
  },
  "luminance": 0.12402
}

Semantic roles & 50–950 ramp

primary

#425BBF

secondary

#CABF93

accent

#BD4FD9

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #425BBF

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

Preview Lab → · Contrast checker → · Palette generator →