#425F99#425F99

#425F99 is a mid, moderate blue. Relative luminance 0.116; OKLCH L 49.1% C 0.100 H 263.1°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#425F99
RGB	rgb(66, 95, 153)
HSL	hsl(220, 40%, 43%)
HSV	hsv(220, 57%, 60%)
CMYK	cmyk(56.9%, 37.9%, 0%, 40%)
CIE-LAB	lab(40.64, 7.29, -34.96)
CIE-LCH	lch(40.64, 35.71, 281.79°)
OKLab	oklab(49.06% -0.012 -0.0989)
OKLCH	oklch(49.06% 0.1 263.1)
XYZ	xyz(12.0868, 11.6416, 31.7409)
Luminance	0.1164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425F99 #997C42

analogous

#428A99 #425F99 #504299

triadic

#425F99 #99425F #5F9942

tetradic

#425F99 #99428A #997C42 #429950

square

#425F99 #99428A #997C42 #429950

split-complementary

#425F99 #995042 #8A9942

monochromatic

#1D2A43 #30446E #425F99 #5E7DBA #89A0CC

Accessibility & contrast

On white

6.31

#425F99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#425F99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425F99

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425F99	#FFFFFF	#000000	##FFFFFF
##425F99	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47649B

Deuteranopia (green-blind)

#3C5C98

Tritanopia (blue-blind)

#096C74

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #425f99;
/* rgb */ color: rgb(66, 95, 153);
/* oklch */ color: oklch(49.1% 0.100 263.1);

Tailwind

colors: {
  custom: {
    50: '#7d8cb7',
    500: '#425f99',
    950: '#000000',
  },
}

SCSS

$custom: #425f99;
$custom-light: #7d8cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#425f99",
  "rgb": {
    "r": 66,
    "g": 95,
    "b": 153
  },
  "hsl": {
    "h": 220,
    "s": 39.726,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49061,
    "c": 0.09967,
    "h": 263.1
  },
  "luminance": 0.11643
}

Semantic roles & 50–950 ramp

primary

#425F99

secondary

#B7A580

accent

#A858D0

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #425F99

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

Preview Lab → · Contrast checker → · Palette generator →