#4038AD#4038AD

#4038AD is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.7% C 0.179 H 278.7°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#4038AD
RGB	rgb(64, 56, 173)
HSL	hsl(244, 51%, 45%)
HSV	hsv(244, 68%, 68%)
CMYK	cmyk(63%, 67.6%, 0%, 32.2%)
CIE-LAB	lab(31.66, 38.75, -61.41)
CIE-LCH	lch(31.66, 72.61, 302.25°)
OKLab	oklab(42.72% 0.027 -0.177)
OKLCH	oklch(42.72% 0.179 278.7)
XYZ	xyz(11.0689, 6.9346, 40.2823)
Luminance	0.0693 (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

#4038AD #A5AD38

analogous

#386AAD #4038AD #7B38AD

triadic

#4038AD #AD4038 #38AD40

tetradic

#4038AD #AD386A #A5AD38 #38AD7B

square

#4038AD #AD386A #A5AD38 #38AD7B

split-complementary

#4038AD #AD7B38 #6AAD38

monochromatic

#1E1A51 #2F297F #4038AD #6159C9 #8D87D8

Accessibility & contrast

On white

8.80

#4038AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#4038AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4038AD

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4038AD	#FFFFFF	#000000	##FFFFFF
##4038AD	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB1

Deuteranopia (green-blind)

#0046AB

Tritanopia (blue-blind)

#00576E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4038ad;
/* rgb */ color: rgb(64, 56, 173);
/* oklch */ color: oklch(42.7% 0.179 278.7);

Tailwind

colors: {
  custom: {
    50: '#826fc6',
    500: '#4038ad',
    950: '#000000',
  },
}

SCSS

$custom: #4038ad;
$custom-light: #826fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#4038ad",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 173
  },
  "hsl": {
    "h": 244.103,
    "s": 51.092,
    "l": 44.902
  },
  "oklch": {
    "l": 0.42716,
    "c": 0.17908,
    "h": 278.7
  },
  "luminance": 0.06935
}

Semantic roles & 50–950 ramp

primary

#4038AD

secondary

#BEC27F

accent

#DB4DD1

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4038AD

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

Preview Lab → · Contrast checker → · Palette generator →