#4143CD#4143CD

#4143CD is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.5% C 0.207 H 274.5°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#4143CD
RGB	rgb(65, 67, 205)
HSL	hsl(239, 58%, 53%)
HSV	hsv(239, 68%, 80%)
CMYK	cmyk(68.3%, 67.3%, 0%, 19.6%)
CIE-LAB	lab(37.01, 42.91, -71.46)
CIE-LCH	lch(37.01, 83.35, 300.99°)
OKLab	oklab(47.48% 0.0163 -0.2064)
OKLCH	oklch(47.48% 0.207 274.5)
XYZ	xyz(15.2029, 9.5445, 58.7869)
Luminance	0.0955 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.14

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4143CD #CDCB41

analogous

#4189CD #4143CD #8541CD

triadic

#4143CD #CD4143 #43CD41

tetradic

#4143CD #CD4189 #CDCB41 #41CD85

square

#4143CD #CD4189 #CDCB41 #41CD85

split-complementary

#4143CD #CD8541 #89CD41

monochromatic

#1F2075 #2C2DA5 #4143CD #7173DA #A2A3E6

Accessibility & contrast

On white

7.22

#4143CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#4143CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4143CD

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4143CD	#FFFFFF	#000000	##FFFFFF
##4143CD	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED1

Deuteranopia (green-blind)

#0051CA

Tritanopia (blue-blind)

#006882

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4143cd;
/* rgb */ color: rgb(65, 67, 205);
/* oklch */ color: oklch(47.5% 0.207 274.5);

Tailwind

colors: {
  custom: {
    50: '#8878dd',
    500: '#4143cd',
    950: '#000000',
  },
}

SCSS

$custom: #4143cd;
$custom-light: #8878dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4143cd",
  "rgb": {
    "r": 65,
    "g": 67,
    "b": 205
  },
  "hsl": {
    "h": 239.143,
    "s": 58.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.4748,
    "c": 0.20706,
    "h": 274.5
  },
  "luminance": 0.09546
}

Semantic roles & 50–950 ramp

primary

#4143CD

secondary

#D3D297

accent

#DF46E2

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4143CD

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

Preview Lab → · Contrast checker → · Palette generator →