#425FCF#425FCF

#425FCF is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.7% C 0.176 H 268.7°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#425FCF
RGB	rgb(66, 95, 207)
HSL	hsl(228, 59%, 54%)
HSV	hsv(228, 68%, 81%)
CMYK	cmyk(68.1%, 54.1%, 0%, 18.8%)
CIE-LAB	lab(44.01, 26.31, -61.19)
CIE-LCH	lch(44.01, 66.61, 293.26°)
OKLab	oklab(52.72% -0.004 -0.176)
OKLCH	oklch(52.72% 0.176 268.7)
XYZ	xyz(17.5976, 13.8460, 60.7645)
Luminance	0.1385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425FCF #CFB242

analogous

#42A5CF #425FCF #6B42CF

triadic

#425FCF #CF425F #5FCF42

tetradic

#425FCF #CF42A5 #CFB242 #42CF6B

square

#425FCF #CF42A5 #CFB242 #42CF6B

split-complementary

#425FCF #CF6B42 #A5CF42

monochromatic

#1F3178 #2B45A9 #425FCF #7388DB #A4B2E8

Accessibility & contrast

On white

5.57

#425FCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#425FCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425FCF

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425FCF	#FFFFFF	#000000	##FFFFFF
##425FCF	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#036FD3

Deuteranopia (green-blind)

#0062CD

Tritanopia (blue-blind)

#007A8E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #425fcf;
/* rgb */ color: rgb(66, 95, 207);
/* oklch */ color: oklch(52.7% 0.176 268.7);

Tailwind

colors: {
  custom: {
    50: '#868cde',
    500: '#425fcf',
    950: '#000000',
  },
}

SCSS

$custom: #425fcf;
$custom-light: #868cde;
$custom-dark: #000000;

JSON

{
  "hex": "#425fcf",
  "rgb": {
    "r": 66,
    "g": 95,
    "b": 207
  },
  "hsl": {
    "h": 227.66,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.52718,
    "c": 0.17607,
    "h": 268.7
  },
  "luminance": 0.13848
}

Semantic roles & 50–950 ramp

primary

#425FCF

secondary

#D5C898

accent

#C245E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0D0C15

muted

#7D7D83

Preview Lab

Preview with #425FCF

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

Preview Lab → · Contrast checker → · Palette generator →