#4038D4#4038D4

#4038D4 is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.5% C 0.227 H 275.2°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#4038D4
RGB	rgb(64, 56, 212)
HSL	hsl(243, 64%, 53%)
HSV	hsv(243, 74%, 83%)
CMYK	cmyk(69.8%, 73.6%, 0%, 16.9%)
CIE-LAB	lab(35.34, 51.33, -78.26)
CIE-LCH	lch(35.34, 93.59, 303.26°)
OKLab	oklab(46.47% 0.0206 -0.2263)
OKLCH	oklch(46.47% 0.227 275.2)
XYZ	xyz(15.4083, 8.6703, 63.1361)
Luminance	0.0867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.54

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4038D4 #CCD438

analogous

#387ED4 #4038D4 #8E38D4

triadic

#4038D4 #D44038 #38D440

tetradic

#4038D4 #D4387E #CCD438 #38D48E

square

#4038D4 #D4387E #CCD438 #38D48E

split-complementary

#4038D4 #D48E38 #7ED438

monochromatic

#1F1A78 #2C25AA #4038D4 #706ADF #A19DEA

Accessibility & contrast

On white

7.68

#4038D4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#4038D4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4038D4

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4038D4	#FFFFFF	#000000	##FFFFFF
##4038D4	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AD9

Deuteranopia (green-blind)

#004CD1

Tritanopia (blue-blind)

#006583

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4038d4;
/* rgb */ color: rgb(64, 56, 212);
/* oklch */ color: oklch(46.5% 0.227 275.2);

Tailwind

colors: {
  custom: {
    50: '#8a71e3',
    500: '#4038d4',
    950: '#000000',
  },
}

SCSS

$custom: #4038d4;
$custom-light: #8a71e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4038d4",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 212
  },
  "hsl": {
    "h": 243.077,
    "s": 64.463,
    "l": 52.549
  },
  "oklch": {
    "l": 0.46466,
    "c": 0.22719,
    "h": 275.2
  },
  "luminance": 0.08672
}

Semantic roles & 50–950 ramp

primary

#4038D4

secondary

#D2D692

accent

#E740DF

background

#F9F6FE

surface

#F2ECFC

border

#CCC7D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #4038D4

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

Preview Lab → · Contrast checker → · Palette generator →