#4038CA#4038CA

#4038CA is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.5% C 0.215 H 276.0°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#4038CA
RGB	rgb(64, 56, 202)
HSL	hsl(243, 58%, 51%)
HSV	hsv(243, 72%, 79%)
CMYK	cmyk(68.3%, 72.3%, 0%, 20.8%)
CIE-LAB	lab(34.36, 48.16, -74.08)
CIE-LCH	lch(34.36, 88.36, 303.03°)
OKLab	oklab(45.47% 0.0224 -0.2141)
OKLCH	oklch(45.47% 0.215 276)
XYZ	xyz(14.1857, 8.1813, 56.6972)
Luminance	0.0818 (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

#4038CA #C2CA38

analogous

#3879CA #4038CA #8938CA

triadic

#4038CA #CA4038 #38CA40

tetradic

#4038CA #CA3879 #C2CA38 #38CA89

square

#4038CA #CA3879 #C2CA38 #38CA89

split-complementary

#4038CA #CA8938 #79CA38

monochromatic

#211D6B #30299B #4038CA #6E68D7 #9D99E4

Accessibility & contrast

On white

7.96

#4038CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#4038CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4038CA

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4038CA	#FFFFFF	#000000	##FFFFFF
##4038CA	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CE

Deuteranopia (green-blind)

#004AC7

Tritanopia (blue-blind)

#00617E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4038ca;
/* rgb */ color: rgb(64, 56, 202);
/* oklch */ color: oklch(45.5% 0.215 276.0);

Tailwind

colors: {
  custom: {
    50: '#8770db',
    500: '#4038ca',
    950: '#000000',
  },
}

SCSS

$custom: #4038ca;
$custom-light: #8770db;
$custom-dark: #000000;

JSON

{
  "hex": "#4038ca",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 202
  },
  "hsl": {
    "h": 243.288,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.45473,
    "c": 0.21525,
    "h": 276
  },
  "luminance": 0.08183
}

Semantic roles & 50–950 ramp

primary

#4038CA

secondary

#CCCF8E

accent

#E147D9

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4038CA

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

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