#425BCB#425BCB

#425BCB is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.176 H 269.7°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#425BCB
RGB	rgb(66, 91, 203)
HSL	hsl(229, 57%, 53%)
HSV	hsv(229, 67%, 80%)
CMYK	cmyk(67.5%, 55.2%, 0%, 20.4%)
CIE-LAB	lab(42.69, 27.43, -61.04)
CIE-LCH	lch(42.69, 66.92, 294.20°)
OKLab	oklab(51.63% -0.0008 -0.1756)
OKLCH	oklch(51.63% 0.176 269.7)
XYZ	xyz(16.7637, 12.9506, 58.1046)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425BCB #CBB242

analogous

#429FCB #425BCB #6D42CB

triadic

#425BCB #CB425B #5BCB42

tetradic

#425BCB #CB429F #CBB242 #42CB6D

square

#425BCB #CB429F #CBB242 #42CB6D

split-complementary

#425BCB #CB6D42 #9FCB42

monochromatic

#202F73 #2D42A3 #425BCB #7285D8 #A2AEE5

Accessibility & contrast

On white

5.85

#425BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#425BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425BCB

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425BCB	#FFFFFF	#000000	##FFFFFF
##425BCB	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCF

Deuteranopia (green-blind)

#005FC9

Tritanopia (blue-blind)

#00768A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #425bcb;
/* rgb */ color: rgb(66, 91, 203);
/* oklch */ color: oklch(51.6% 0.176 269.7);

Tailwind

colors: {
  custom: {
    50: '#8689dc',
    500: '#425bcb',
    950: '#000000',
  },
}

SCSS

$custom: #425bcb;
$custom-light: #8689dc;
$custom-dark: #000000;

JSON

{
  "hex": "#425bcb",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 203
  },
  "hsl": {
    "h": 229.051,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.51634,
    "c": 0.17561,
    "h": 269.7
  },
  "luminance": 0.12952
}

Semantic roles & 50–950 ramp

primary

#425BCB

secondary

#D2C797

accent

#C448E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #425BCB

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

Preview Lab → · Contrast checker → · Palette generator →