#425CBC#425CBC

#425CBC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.7% C 0.154 H 268.9°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#425CBC
RGB	rgb(66, 92, 188)
HSL	hsl(227, 48%, 50%)
HSV	hsv(227, 65%, 74%)
CMYK	cmyk(64.9%, 51.1%, 0%, 26.3%)
CIE-LAB	lab(41.91, 21.47, -53.60)
CIE-LCH	lch(41.91, 57.74, 291.83°)
OKLab	oklab(50.72% -0.0028 -0.1537)
OKLCH	oklch(50.72% 0.154 268.9)
XYZ	xyz(15.1479, 12.4420, 49.1705)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425CBC #BCA242

analogous

#4299BC #425CBC #6542BC

triadic

#425CBC #BC425C #5CBC42

tetradic

#425CBC #BC4299 #BCA242 #42BC65

square

#425CBC #BC4299 #BCA242 #42BC65

split-complementary

#425CBC #BC6542 #99BC42

monochromatic

#223061 #32468F #425CBC #6F83CC #9CAADC

Accessibility & contrast

On white

6.02

#425CBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#425CBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425CBC

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425CBC	#FFFFFF	#000000	##FFFFFF
##425CBC	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2469BF

Deuteranopia (green-blind)

#005EBA

Tritanopia (blue-blind)

#007283

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #425cbc;
/* rgb */ color: rgb(66, 92, 188);
/* oklch */ color: oklch(50.7% 0.154 268.9);

Tailwind

colors: {
  custom: {
    50: '#8389d1',
    500: '#425cbc',
    950: '#000000',
  },
}

SCSS

$custom: #425cbc;
$custom-light: #8389d1;
$custom-dark: #000000;

JSON

{
  "hex": "#425cbc",
  "rgb": {
    "r": 66,
    "g": 92,
    "b": 188
  },
  "hsl": {
    "h": 227.213,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.50715,
    "c": 0.15373,
    "h": 268.9
  },
  "luminance": 0.12443
}

Semantic roles & 50–950 ramp

primary

#425CBC

secondary

#C9BD91

accent

#BB50D8

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #425CBC

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

Preview Lab → · Contrast checker → · Palette generator →