#425B8A#425B8A

#425B8A is a mid, moderate blue. Relative luminance 0.105; OKLCH L 47.3% C 0.082 H 262.3°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#425B8A
RGB	rgb(66, 91, 138)
HSL	hsl(219, 35%, 40%)
HSV	hsv(219, 52%, 54%)
CMYK	cmyk(52.2%, 34.1%, 0%, 45.9%)
CIE-LAB	lab(38.68, 4.78, -29.01)
CIE-LCH	lch(38.68, 29.40, 279.35°)
OKLab	oklab(47.28% -0.011 -0.0817)
OKLCH	oklch(47.28% 0.082 262.3)
XYZ	xyz(10.5738, 10.4747, 25.5045)
Luminance	0.1047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425B8A #8A7142

analogous

#427F8A #425B8A #4D428A

triadic

#425B8A #8A425B #5B8A42

tetradic

#425B8A #8A427F #8A7142 #428A4D

square

#425B8A #8A427F #8A7142 #428A4D

split-complementary

#425B8A #8A4D42 #7F8A42

monochromatic

#1A2437 #2E4061 #425B8A #5977B0 #8399C4

Accessibility & contrast

On white

6.79

#425B8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#425B8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425B8A

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425B8A	#FFFFFF	#000000	##FFFFFF
##425B8A	1.00	6.79	3.10	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495F8C

Deuteranopia (green-blind)

#415889

Tritanopia (blue-blind)

#21656C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #425b8a;
/* rgb */ color: rgb(66, 91, 138);
/* oklch */ color: oklch(47.3% 0.082 262.3);

Tailwind

colors: {
  custom: {
    50: '#7b89ac',
    500: '#425b8a',
    950: '#000000',
  },
}

SCSS

$custom: #425b8a;
$custom-light: #7b89ac;
$custom-dark: #000000;

JSON

{
  "hex": "#425b8a",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 138
  },
  "hsl": {
    "h": 219.167,
    "s": 35.294,
    "l": 40
  },
  "oklch": {
    "l": 0.47284,
    "c": 0.0824,
    "h": 262.3
  },
  "luminance": 0.10475
}

Semantic roles & 50–950 ramp

primary

#425B8A

secondary

#AE9C79

accent

#A55CCB

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0B10

muted

#7C7C7F

Preview Lab

Preview with #425B8A

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

Preview Lab → · Contrast checker → · Palette generator →