#4142CB#4142CB

#4142CB is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.1% C 0.206 H 274.8°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#4142CB
RGB	rgb(65, 66, 203)
HSL	hsl(240, 57%, 53%)
HSV	hsv(240, 68%, 80%)
CMYK	cmyk(68%, 67.5%, 0%, 20.4%)
CIE-LAB	lab(36.61, 42.84, -70.95)
CIE-LCH	lch(36.61, 82.88, 301.13°)
OKLab	oklab(47.14% 0.0172 -0.2049)
OKLCH	oklch(47.14% 0.206 274.8)
XYZ	xyz(14.9041, 9.3307, 57.5039)
Luminance	0.0933 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4142CB #CBCA41

analogous

#4187CB #4142CB #8541CB

triadic

#4142CB #CB4142 #42CB41

tetradic

#4142CB #CB4187 #CBCA41 #41CB85

square

#4142CB #CB4187 #CBCA41 #41CB85

split-complementary

#4142CB #CB8541 #87CB41

monochromatic

#1F2072 #2C2DA2 #4142CB #7172D8 #A1A2E5

Accessibility & contrast

On white

7.33

#4142CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#4142CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4142CB

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4142CB	#FFFFFF	#000000	##FFFFFF
##4142CB	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCF

Deuteranopia (green-blind)

#0050C8

Tritanopia (blue-blind)

#006781

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4142cb;
/* rgb */ color: rgb(65, 66, 203);
/* oklch */ color: oklch(47.1% 0.206 274.8);

Tailwind

colors: {
  custom: {
    50: '#8777dc',
    500: '#4142cb',
    950: '#000000',
  },
}

SCSS

$custom: #4142cb;
$custom-light: #8777dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4142cb",
  "rgb": {
    "r": 65,
    "g": 66,
    "b": 203
  },
  "hsl": {
    "h": 239.565,
    "s": 57.025,
    "l": 52.549
  },
  "oklch": {
    "l": 0.47137,
    "c": 0.20565,
    "h": 274.8
  },
  "luminance": 0.09332
}

Semantic roles & 50–950 ramp

primary

#4142CB

secondary

#D2D196

accent

#DF48E0

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4142CB

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

Preview Lab → · Contrast checker → · Palette generator →