#425BB3#425BB3

#425BB3 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.9% C 0.142 H 268.8°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#425BB3
RGB	rgb(66, 91, 179)
HSL	hsl(227, 46%, 48%)
HSV	hsv(227, 63%, 70%)
CMYK	cmyk(63.1%, 49.2%, 0%, 29.8%)
CIE-LAB	lab(41.05, 18.93, -49.72)
CIE-LCH	lch(41.05, 53.20, 290.84°)
OKLab	oklab(49.87% -0.0029 -0.1423)
OKLCH	oklch(49.87% 0.142 268.8)
XYZ	xyz(14.1218, 11.8939, 44.1906)
Luminance	0.1190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425BB3 #B39A42

analogous

#4293B3 #425BB3 #6242B3

triadic

#425BB3 #B3425B #5BB342

tetradic

#425BB3 #B34293 #B39A42 #42B362

square

#425BB3 #B34293 #B39A42 #42B362

split-complementary

#425BB3 #B36242 #93B342

monochromatic

#212E5A #324486 #425BB3 #6A7FC8 #97A5D9

Accessibility & contrast

On white

6.21

#425BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#425BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425BB3

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425BB3	#FFFFFF	#000000	##FFFFFF
##425BB3	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D66B6

Deuteranopia (green-blind)

#155CB1

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #425bb3;
/* rgb */ color: rgb(66, 91, 179);
/* oklch */ color: oklch(49.9% 0.142 268.8);

Tailwind

colors: {
  custom: {
    50: '#8189ca',
    500: '#425bb3',
    950: '#000000',
  },
}

SCSS

$custom: #425bb3;
$custom-light: #8189ca;
$custom-dark: #000000;

JSON

{
  "hex": "#425bb3",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 179
  },
  "hsl": {
    "h": 226.726,
    "s": 46.122,
    "l": 48.039
  },
  "oklch": {
    "l": 0.49871,
    "c": 0.14234,
    "h": 268.8
  },
  "luminance": 0.11895
}

Semantic roles & 50–950 ramp

primary

#425BB3

secondary

#C4B88C

accent

#B952D6

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #425BB3

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

Preview Lab → · Contrast checker → · Palette generator →