#424FCF#424FCF

#424FCF is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.7% C 0.196 H 272.6°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#424FCF
RGB	rgb(66, 79, 207)
HSL	hsl(234, 59%, 54%)
HSV	hsv(234, 68%, 81%)
CMYK	cmyk(68.1%, 61.8%, 0%, 18.8%)
CIE-LAB	lab(40.00, 36.40, -67.71)
CIE-LCH	lch(40.00, 76.88, 298.26°)
OKLab	oklab(49.73% 0.0088 -0.1953)
OKLCH	oklch(49.73% 0.196 272.6)
XYZ	xyz(16.3015, 11.2537, 60.3325)
Luminance	0.1125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424FCF #CFC242

analogous

#4295CF #424FCF #7B42CF

triadic

#424FCF #CF424F #4FCF42

tetradic

#424FCF #CF4295 #CFC242 #42CF7B

square

#424FCF #CF4295 #CFC242 #42CF7B

split-complementary

#424FCF #CF7B42 #95CF42

monochromatic

#1F2778 #2B37A9 #424FCF #737CDB #A4AAE8

Accessibility & contrast

On white

6.46

#424FCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#424FCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424FCF

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424FCF	#FFFFFF	#000000	##FFFFFF
##424FCF	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D3

Deuteranopia (green-blind)

#0058CD

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #424fcf;
/* rgb */ color: rgb(66, 79, 207);
/* oklch */ color: oklch(49.7% 0.196 272.6);

Tailwind

colors: {
  custom: {
    50: '#8880df',
    500: '#424fcf',
    950: '#000000',
  },
}

SCSS

$custom: #424fcf;
$custom-light: #8880df;
$custom-dark: #000000;

JSON

{
  "hex": "#424fcf",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 207
  },
  "hsl": {
    "h": 234.468,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.49733,
    "c": 0.19555,
    "h": 272.6
  },
  "luminance": 0.11255
}

Semantic roles & 50–950 ramp

primary

#424FCF

secondary

#D5CF98

accent

#D445E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #424FCF

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

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