#4142A3#4142A3

#4142A3 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.7% C 0.153 H 277.5°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#4142A3
RGB	rgb(65, 66, 163)
HSL	hsl(239, 43%, 45%)
HSV	hsv(239, 60%, 64%)
CMYK	cmyk(60.1%, 59.5%, 0%, 36.1%)
CIE-LAB	lab(33.27, 29.32, -52.77)
CIE-LCH	lch(33.27, 60.37, 299.06°)
OKLab	oklab(43.66% 0.0201 -0.1516)
OKLCH	oklch(43.66% 0.153 277.5)
XYZ	xyz(10.7369, 7.6638, 35.5567)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.26

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4142A3 #A3A241

analogous

#4173A3 #4142A3 #7141A3

triadic

#4142A3 #A34142 #42A341

tetradic

#4142A3 #A34173 #A3A241 #41A371

square

#4142A3 #A34173 #A3A241 #41A371

split-complementary

#4142A3 #A37141 #73A341

monochromatic

#1E1F4B #303077 #4142A3 #6162C0 #8D8ED1

Accessibility & contrast

On white

8.29

#4142A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#4142A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4142A3

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4142A3	#FFFFFF	#000000	##FFFFFF
##4142A3	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A6

Deuteranopia (green-blind)

#004AA1

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4142a3;
/* rgb */ color: rgb(65, 66, 163);
/* oklch */ color: oklch(43.7% 0.153 277.5);

Tailwind

colors: {
  custom: {
    50: '#8076bf',
    500: '#4142a3',
    950: '#000000',
  },
}

SCSS

$custom: #4142a3;
$custom-light: #8076bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4142a3",
  "rgb": {
    "r": 65,
    "g": 66,
    "b": 163
  },
  "hsl": {
    "h": 239.388,
    "s": 42.982,
    "l": 44.706
  },
  "oklch": {
    "l": 0.4366,
    "c": 0.15292,
    "h": 277.5
  },
  "luminance": 0.07665
}

Semantic roles & 50–950 ramp

primary

#4142A3

secondary

#BDBC83

accent

#D155D3

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #4142A3

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

Preview Lab → · Contrast checker → · Palette generator →