#425AB2#425AB2

#425AB2 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.6% C 0.142 H 269.2°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#425AB2
RGB	rgb(66, 90, 178)
HSL	hsl(227, 46%, 48%)
HSV	hsv(227, 63%, 70%)
CMYK	cmyk(62.9%, 49.4%, 0%, 30.2%)
CIE-LAB	lab(40.71, 19.22, -49.68)
CIE-LCH	lch(40.71, 53.26, 291.15°)
OKLab	oklab(49.59% -0.002 -0.1422)
OKLCH	oklch(49.59% 0.142 269.2)
XYZ	xyz(13.9361, 11.6837, 43.6316)
Luminance	0.1168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425AB2 #B29A42

analogous

#4292B2 #425AB2 #6242B2

triadic

#425AB2 #B2425A #5AB242

tetradic

#425AB2 #B24292 #B29A42 #42B262

square

#425AB2 #B24292 #B29A42 #42B262

split-complementary

#425AB2 #B26242 #92B242

monochromatic

#212D59 #314385 #425AB2 #6A7EC8 #96A4D8

Accessibility & contrast

On white

6.29

#425AB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#425AB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425AB2

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425AB2	#FFFFFF	#000000	##FFFFFF
##425AB2	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C65B5

Deuteranopia (green-blind)

#135BB0

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #425ab2;
/* rgb */ color: rgb(66, 90, 178);
/* oklch */ color: oklch(49.6% 0.142 269.2);

Tailwind

colors: {
  custom: {
    50: '#8188ca',
    500: '#425ab2',
    950: '#000000',
  },
}

SCSS

$custom: #425ab2;
$custom-light: #8188ca;
$custom-dark: #000000;

JSON

{
  "hex": "#425ab2",
  "rgb": {
    "r": 66,
    "g": 90,
    "b": 178
  },
  "hsl": {
    "h": 227.143,
    "s": 45.902,
    "l": 47.843
  },
  "oklch": {
    "l": 0.49593,
    "c": 0.1422,
    "h": 269.2
  },
  "luminance": 0.11685
}

Semantic roles & 50–950 ramp

primary

#425AB2

secondary

#C4B88C

accent

#B952D6

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #425AB2

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

Preview Lab → · Contrast checker → · Palette generator →