#425DB1#425DB1

#425DB1 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.2% C 0.137 H 267.8°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#425DB1
RGB	rgb(66, 93, 177)
HSL	hsl(225, 46%, 48%)
HSV	hsv(225, 63%, 69%)
CMYK	cmyk(62.7%, 47.5%, 0%, 30.6%)
CIE-LAB	lab(41.47, 16.94, -47.87)
CIE-LCH	lch(41.47, 50.77, 289.48°)
OKLab	oklab(50.15% -0.0052 -0.1368)
OKLCH	oklch(50.15% 0.137 267.8)
XYZ	xyz(14.0942, 12.1601, 43.1908)
Luminance	0.1216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425DB1 #B19642

analogous

#4295B1 #425DB1 #5E42B1

triadic

#425DB1 #B1425D #5DB142

tetradic

#425DB1 #B14295 #B19642 #42B15E

square

#425DB1 #B14295 #B19642 #42B15E

split-complementary

#425DB1 #B15E42 #95B142

monochromatic

#212E58 #314684 #425DB1 #6980C7 #96A6D8

Accessibility & contrast

On white

6.12

#425DB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#425DB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425DB1

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425DB1	#FFFFFF	#000000	##FFFFFF
##425DB1	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3367B4

Deuteranopia (green-blind)

#1F5DAF

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #425db1;
/* rgb */ color: rgb(66, 93, 177);
/* oklch */ color: oklch(50.2% 0.137 267.8);

Tailwind

colors: {
  custom: {
    50: '#818ac9',
    500: '#425db1',
    950: '#000000',
  },
}

SCSS

$custom: #425db1;
$custom-light: #818ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#425db1",
  "rgb": {
    "r": 66,
    "g": 93,
    "b": 177
  },
  "hsl": {
    "h": 225.405,
    "s": 45.679,
    "l": 47.647
  },
  "oklch": {
    "l": 0.50151,
    "c": 0.13693,
    "h": 267.8
  },
  "luminance": 0.12161
}

Semantic roles & 50–950 ramp

primary

#425DB1

secondary

#C3B68B

accent

#B652D5

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #425DB1

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

Preview Lab → · Contrast checker → · Palette generator →