#4038D3#4038D3

#4038D3 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.4% C 0.226 H 275.3°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#4038D3
RGB	rgb(64, 56, 211)
HSL	hsl(243, 64%, 52%)
HSV	hsv(243, 73%, 83%)
CMYK	cmyk(69.7%, 73.5%, 0%, 17.3%)
CIE-LAB	lab(35.24, 51.02, -77.84)
CIE-LCH	lch(35.24, 93.07, 303.24°)
OKLab	oklab(46.37% 0.0208 -0.2251)
OKLCH	oklch(46.37% 0.226 275.3)
XYZ	xyz(15.2825, 8.6200, 62.4738)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.52

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4038D3 #CBD338

analogous

#387DD3 #4038D3 #8E38D3

triadic

#4038D3 #D34038 #38D340

tetradic

#4038D3 #D3387D #CBD338 #38D38E

square

#4038D3 #D3387D #CBD338 #38D38E

split-complementary

#4038D3 #D38E38 #7DD338

monochromatic

#1F1A76 #2C25A9 #4038D3 #706ADE #A09CE9

Accessibility & contrast

On white

7.71

#4038D3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#4038D3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4038D3

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4038D3	#FFFFFF	#000000	##FFFFFF
##4038D3	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AD8

Deuteranopia (green-blind)

#004CD0

Tritanopia (blue-blind)

#006583

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4038d3;
/* rgb */ color: rgb(64, 56, 211);
/* oklch */ color: oklch(46.4% 0.226 275.3);

Tailwind

colors: {
  custom: {
    50: '#8971e2',
    500: '#4038d3',
    950: '#000000',
  },
}

SCSS

$custom: #4038d3;
$custom-light: #8971e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4038d3",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 211
  },
  "hsl": {
    "h": 243.097,
    "s": 63.786,
    "l": 52.353
  },
  "oklch": {
    "l": 0.46366,
    "c": 0.22601,
    "h": 275.3
  },
  "luminance": 0.08621
}

Semantic roles & 50–950 ramp

primary

#4038D3

secondary

#D2D592

accent

#E741DE

background

#F9F6FE

surface

#F2ECFC

border

#CCC7D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #4038D3

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

Preview Lab → · Contrast checker → · Palette generator →