#4038BE#4038BE

#4038BE is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.3% C 0.201 H 277.0°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#4038BE
RGB	rgb(64, 56, 190)
HSL	hsl(244, 54%, 48%)
HSV	hsv(244, 71%, 75%)
CMYK	cmyk(66.3%, 70.5%, 0%, 25.5%)
CIE-LAB	lab(33.21, 44.30, -68.94)
CIE-LCH	lch(33.21, 81.95, 302.73°)
OKLab	oklab(44.31% 0.0245 -0.1991)
OKLCH	oklch(44.31% 0.201 277)
XYZ	xyz(12.8198, 7.6349, 49.5033)
Luminance	0.0764 (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

#4038BE #B6BE38

analogous

#3873BE #4038BE #8338BE

triadic

#4038BE #BE4038 #38BE40

tetradic

#4038BE #BE3873 #B6BE38 #38BE83

square

#4038BE #BE3873 #B6BE38 #38BE83

split-complementary

#4038BE #BE8338 #73BE38

monochromatic

#201C5F #302A8F #4038BE #6962D1 #9692DF

Accessibility & contrast

On white

8.31

#4038BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#4038BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4038BE

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4038BE	#FFFFFF	#000000	##FFFFFF
##4038BE	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C2

Deuteranopia (green-blind)

#0048BC

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4038be;
/* rgb */ color: rgb(64, 56, 190);
/* oklch */ color: oklch(44.3% 0.201 277.0);

Tailwind

colors: {
  custom: {
    50: '#8570d3',
    500: '#4038be',
    950: '#000000',
  },
}

SCSS

$custom: #4038be;
$custom-light: #8570d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4038be",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 190
  },
  "hsl": {
    "h": 243.582,
    "s": 54.472,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44308,
    "c": 0.20058,
    "h": 277
  },
  "luminance": 0.07636
}

Semantic roles & 50–950 ramp

primary

#4038BE

secondary

#C6CA88

accent

#DE4AD5

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #4038BE

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

Preview Lab → · Contrast checker → · Palette generator →