#425CC3#425CC3

#425CC3 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.2% C 0.163 H 269.2°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#425CC3
RGB	rgb(66, 92, 195)
HSL	hsl(228, 52%, 51%)
HSV	hsv(228, 66%, 76%)
CMYK	cmyk(66.2%, 52.8%, 0%, 23.5%)
CIE-LAB	lab(42.39, 23.96, -56.90)
CIE-LCH	lch(42.39, 61.74, 292.83°)
OKLab	oklab(51.23% -0.0022 -0.1634)
OKLCH	oklch(51.23% 0.163 269.2)
XYZ	xyz(15.9209, 12.7512, 53.2414)
Luminance	0.1275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425CC3 #C3A942

analogous

#429CC3 #425CC3 #6842C3

triadic

#425CC3 #C3425C #5CC342

tetradic

#425CC3 #C3429C #C3A942 #42C368

square

#425CC3 #C3429C #C3A942 #42C368

split-complementary

#425CC3 #C36842 #9CC342

monochromatic

#213069 #304598 #425CC3 #7084D2 #9FACE0

Accessibility & contrast

On white

5.91

#425CC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#425CC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425CC3

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425CC3	#FFFFFF	#000000	##FFFFFF
##425CC3	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#186AC7

Deuteranopia (green-blind)

#005EC1

Tritanopia (blue-blind)

#007486

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #425cc3;
/* rgb */ color: rgb(66, 92, 195);
/* oklch */ color: oklch(51.2% 0.163 269.2);

Tailwind

colors: {
  custom: {
    50: '#8489d6',
    500: '#425cc3',
    950: '#000000',
  },
}

SCSS

$custom: #425cc3;
$custom-light: #8489d6;
$custom-dark: #000000;

JSON

{
  "hex": "#425cc3",
  "rgb": {
    "r": 66,
    "g": 92,
    "b": 195
  },
  "hsl": {
    "h": 227.907,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51227,
    "c": 0.16344,
    "h": 269.2
  },
  "luminance": 0.12753
}

Semantic roles & 50–950 ramp

primary

#425CC3

secondary

#CDC194

accent

#BE4DDB

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #425CC3

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

Preview Lab → · Contrast checker → · Palette generator →