#425EB7#425EB7

#425EB7 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.8% C 0.144 H 267.9°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#425EB7
RGB	rgb(66, 94, 183)
HSL	hsl(226, 47%, 49%)
HSV	hsv(226, 64%, 72%)
CMYK	cmyk(63.9%, 48.6%, 0%, 28.2%)
CIE-LAB	lab(42.13, 18.42, -50.33)
CIE-LCH	lch(42.13, 53.59, 290.10°)
OKLab	oklab(50.77% -0.0053 -0.1441)
OKLCH	oklch(50.77% 0.144 267.9)
XYZ	xyz(14.7938, 12.5812, 46.4394)
Luminance	0.1258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425EB7 #B79B42

analogous

#4299B7 #425EB7 #6142B7

triadic

#425EB7 #B7425E #5EB742

tetradic

#425EB7 #B74299 #B79B42 #42B761

square

#425EB7 #B74299 #B79B42 #42B761

split-complementary

#425EB7 #B76142 #99B742

monochromatic

#22305D #32478A #425EB7 #6C83CA #99A9DA

Accessibility & contrast

On white

5.97

#425EB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#425EB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425EB7

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425EB7	#FFFFFF	#000000	##FFFFFF
##425EB7	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3069BA

Deuteranopia (green-blind)

#175EB5

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #425eb7;
/* rgb */ color: rgb(66, 94, 183);
/* oklch */ color: oklch(50.8% 0.144 267.9);

Tailwind

colors: {
  custom: {
    50: '#828bcd',
    500: '#425eb7',
    950: '#000000',
  },
}

SCSS

$custom: #425eb7;
$custom-light: #828bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#425eb7",
  "rgb": {
    "r": 66,
    "g": 94,
    "b": 183
  },
  "hsl": {
    "h": 225.641,
    "s": 46.988,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50774,
    "c": 0.14417,
    "h": 267.9
  },
  "luminance": 0.12583
}

Semantic roles & 50–950 ramp

primary

#425EB7

secondary

#C6B98F

accent

#B751D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #425EB7

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

Preview Lab → · Contrast checker → · Palette generator →