#425EB8#425EB8

#425EB8 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.8% C 0.146 H 267.9°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#425EB8
RGB	rgb(66, 94, 184)
HSL	hsl(226, 47%, 49%)
HSV	hsv(226, 64%, 72%)
CMYK	cmyk(64.1%, 48.9%, 0%, 27.8%)
CIE-LAB	lab(42.19, 18.77, -50.81)
CIE-LCH	lch(42.19, 54.17, 290.28°)
OKLab	oklab(50.84% -0.0052 -0.1455)
OKLCH	oklch(50.84% 0.146 267.9)
XYZ	xyz(14.8982, 12.6230, 46.9895)
Luminance	0.1262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425EB8 #B89C42

analogous

#4299B8 #425EB8 #6142B8

triadic

#425EB8 #B8425E #5EB842

tetradic

#425EB8 #B84299 #B89C42 #42B861

square

#425EB8 #B84299 #B89C42 #42B861

split-complementary

#425EB8 #B86142 #99B842

monochromatic

#22305E #32478B #425EB8 #6D83CB #9AA9DB

Accessibility & contrast

On white

5.96

#425EB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#425EB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425EB8

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425EB8	#FFFFFF	#000000	##FFFFFF
##425EB8	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F69BB

Deuteranopia (green-blind)

#145FB6

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #425eb8;
/* rgb */ color: rgb(66, 94, 184);
/* oklch */ color: oklch(50.8% 0.146 267.9);

Tailwind

colors: {
  custom: {
    50: '#828bce',
    500: '#425eb8',
    950: '#000000',
  },
}

SCSS

$custom: #425eb8;
$custom-light: #828bce;
$custom-dark: #000000;

JSON

{
  "hex": "#425eb8",
  "rgb": {
    "r": 66,
    "g": 94,
    "b": 184
  },
  "hsl": {
    "h": 225.763,
    "s": 47.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.50843,
    "c": 0.14557,
    "h": 267.9
  },
  "luminance": 0.12624
}

Semantic roles & 50–950 ramp

primary

#425EB8

secondary

#C7BA8F

accent

#B751D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #425EB8

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

Preview Lab → · Contrast checker → · Palette generator →