#4038D1#4038D1

#4038D1 is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.2% C 0.224 H 275.4°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#4038D1
RGB	rgb(64, 56, 209)
HSL	hsl(243, 62%, 52%)
HSV	hsv(243, 73%, 82%)
CMYK	cmyk(69.4%, 73.2%, 0%, 18%)
CIE-LAB	lab(35.04, 50.38, -77.01)
CIE-LCH	lch(35.04, 92.03, 303.19°)
OKLab	oklab(46.17% 0.0211 -0.2226)
OKLCH	oklch(46.17% 0.224 275.4)
XYZ	xyz(15.0334, 8.5204, 61.1616)
Luminance	0.0852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.51

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4038D1 #C9D138

analogous

#387DD1 #4038D1 #8C38D1

triadic

#4038D1 #D14038 #38D140

tetradic

#4038D1 #D1387D #C9D138 #38D18C

square

#4038D1 #D1387D #C9D138 #38D18C

split-complementary

#4038D1 #D18C38 #7DD138

monochromatic

#1F1B74 #2D26A6 #4038D1 #706ADC #9F9BE8

Accessibility & contrast

On white

7.77

#4038D1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#4038D1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4038D1

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4038D1	#FFFFFF	#000000	##FFFFFF
##4038D1	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D5

Deuteranopia (green-blind)

#004BCE

Tritanopia (blue-blind)

#006481

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4038d1;
/* rgb */ color: rgb(64, 56, 209);
/* oklch */ color: oklch(46.2% 0.224 275.4);

Tailwind

colors: {
  custom: {
    50: '#8971e0',
    500: '#4038d1',
    950: '#000000',
  },
}

SCSS

$custom: #4038d1;
$custom-light: #8971e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4038d1",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 209
  },
  "hsl": {
    "h": 243.137,
    "s": 62.449,
    "l": 51.961
  },
  "oklch": {
    "l": 0.46166,
    "c": 0.22364,
    "h": 275.4
  },
  "luminance": 0.08522
}

Semantic roles & 50–950 ramp

primary

#4038D1

secondary

#D0D491

accent

#E642DD

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4038D1

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

Preview Lab → · Contrast checker → · Palette generator →