#425B99#425B99

#425B99 is a mid, moderate blue. Relative luminance 0.109; OKLCH L 48.2% C 0.105 H 266.0°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#425B99
RGB	rgb(66, 91, 153)
HSL	hsl(223, 40%, 43%)
HSV	hsv(223, 57%, 60%)
CMYK	cmyk(56.9%, 40.5%, 0%, 40%)
CIE-LAB	lab(39.48, 9.85, -36.80)
CIE-LCH	lch(39.48, 38.09, 284.98°)
OKLab	oklab(48.16% -0.0073 -0.1044)
OKLCH	oklch(48.16% 0.105 266)
XYZ	xyz(11.7357, 10.9394, 31.6239)
Luminance	0.1094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425B99 #998042

analogous

#428699 #425B99 #554299

triadic

#425B99 #99425B #5B9942

tetradic

#425B99 #994286 #998042 #429955

square

#425B99 #994286 #998042 #429955

split-complementary

#425B99 #995542 #869942

monochromatic

#1D2843 #30426E #425B99 #5E79BA #899CCC

Accessibility & contrast

On white

6.59

#425B99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#425B99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425B99

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425B99	#FFFFFF	#000000	##FFFFFF
##425B99	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41619B

Deuteranopia (green-blind)

#365998

Tritanopia (blue-blind)

#0B6972

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #425b99;
/* rgb */ color: rgb(66, 91, 153);
/* oklch */ color: oklch(48.2% 0.105 266.0);

Tailwind

colors: {
  custom: {
    50: '#7d89b7',
    500: '#425b99',
    950: '#000000',
  },
}

SCSS

$custom: #425b99;
$custom-light: #7d89b7;
$custom-dark: #000000;

JSON

{
  "hex": "#425b99",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 153
  },
  "hsl": {
    "h": 222.759,
    "s": 39.726,
    "l": 42.941
  },
  "oklch": {
    "l": 0.48162,
    "c": 0.10462,
    "h": 266
  },
  "luminance": 0.1094
}

Semantic roles & 50–950 ramp

primary

#425B99

secondary

#B7A780

accent

#AD58D0

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #425B99

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

Preview Lab → · Contrast checker → · Palette generator →