#4038C5#4038C5

#4038C5 is a dark, highly saturated blue. Relative luminance 0.080; OKLCH L 45.0% C 0.209 H 276.4°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#4038C5
RGB	rgb(64, 56, 197)
HSL	hsl(243, 56%, 50%)
HSV	hsv(243, 72%, 77%)
CMYK	cmyk(67.5%, 71.6%, 0%, 22.7%)
CIE-LAB	lab(33.88, 46.56, -71.96)
CIE-LCH	lch(33.88, 85.71, 302.91°)
OKLab	oklab(44.98% 0.0233 -0.2079)
OKLCH	oklch(44.98% 0.209 276.4)
XYZ	xyz(13.6033, 7.9483, 53.6298)
Luminance	0.0795 (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

#4038C5 #BDC538

analogous

#3877C5 #4038C5 #8638C5

triadic

#4038C5 #C54038 #38C540

tetradic

#4038C5 #C53877 #BDC538 #38C586

square

#4038C5 #C53877 #BDC538 #38C586

split-complementary

#4038C5 #C58638 #77C538

monochromatic

#211D66 #312A95 #4038C5 #6D67D4 #9A96E1

Accessibility & contrast

On white

8.11

#4038C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#4038C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4038C5

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4038C5	#FFFFFF	#000000	##FFFFFF
##4038C5	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C9

Deuteranopia (green-blind)

#0049C2

Tritanopia (blue-blind)

#005F7B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4038c5;
/* rgb */ color: rgb(64, 56, 197);
/* oklch */ color: oklch(45.0% 0.209 276.4);

Tailwind

colors: {
  custom: {
    50: '#8670d8',
    500: '#4038c5',
    950: '#000000',
  },
}

SCSS

$custom: #4038c5;
$custom-light: #8670d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4038c5",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 197
  },
  "hsl": {
    "h": 243.404,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.44983,
    "c": 0.20918,
    "h": 276.4
  },
  "luminance": 0.0795
}

Semantic roles & 50–950 ramp

primary

#4038C5

secondary

#C9CD8C

accent

#DF49D7

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4038C5

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

Preview Lab → · Contrast checker → · Palette generator →