#425BAB#425BAB

#425BAB is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.3% C 0.131 H 268.3°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#425BAB
RGB	rgb(66, 91, 171)
HSL	hsl(226, 44%, 46%)
HSV	hsv(226, 61%, 67%)
CMYK	cmyk(61.4%, 46.8%, 0%, 32.9%)
CIE-LAB	lab(40.54, 16.11, -45.82)
CIE-LCH	lch(40.54, 48.57, 289.37°)
OKLab	oklab(49.32% -0.004 -0.1308)
OKLCH	oklch(49.32% 0.131 268.3)
XYZ	xyz(13.3360, 11.5796, 40.0525)
Luminance	0.1158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425BAB #AB9242

analogous

#4290AB #425BAB #5E42AB

triadic

#425BAB #AB425B #5BAB42

tetradic

#425BAB #AB4290 #AB9242 #42AB5E

square

#425BAB #AB4290 #AB9242 #42AB5E

split-complementary

#425BAB #AB5E42 #90AB42

monochromatic

#202C53 #31447F #425BAB #667DC4 #92A2D5

Accessibility & contrast

On white

6.33

#425BAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#425BAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425BAB

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425BAB	#FFFFFF	#000000	##FFFFFF
##425BAB	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3565AE

Deuteranopia (green-blind)

#235BA9

Tritanopia (blue-blind)

#006D7B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #425bab;
/* rgb */ color: rgb(66, 91, 171);
/* oklch */ color: oklch(49.3% 0.131 268.3);

Tailwind

colors: {
  custom: {
    50: '#8089c4',
    500: '#425bab',
    950: '#000000',
  },
}

SCSS

$custom: #425bab;
$custom-light: #8089c4;
$custom-dark: #000000;

JSON

{
  "hex": "#425bab",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 171
  },
  "hsl": {
    "h": 225.714,
    "s": 44.304,
    "l": 46.471
  },
  "oklch": {
    "l": 0.49321,
    "c": 0.1309,
    "h": 268.3
  },
  "luminance": 0.11581
}

Semantic roles & 50–950 ramp

primary

#425BAB

secondary

#C0B388

accent

#B554D4

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #425BAB

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

Preview Lab → · Contrast checker → · Palette generator →