#4038AA#4038AA

#4038AA is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.4% C 0.175 H 279.0°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#4038AA
RGB	rgb(64, 56, 170)
HSL	hsl(244, 50%, 44%)
HSV	hsv(244, 67%, 67%)
CMYK	cmyk(62.4%, 67.1%, 0%, 33.3%)
CIE-LAB	lab(31.39, 37.76, -60.04)
CIE-LCH	lch(31.39, 70.93, 302.16°)
OKLab	oklab(42.44% 0.0274 -0.173)
OKLCH	oklch(42.44% 0.175 279)
XYZ	xyz(10.7819, 6.8198, 38.7706)
Luminance	0.0682 (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

#4038AA #A2AA38

analogous

#3869AA #4038AA #7938AA

triadic

#4038AA #AA4038 #38AA40

tetradic

#4038AA #AA3869 #A2AA38 #38AA79

square

#4038AA #AA3869 #A2AA38 #38AA79

split-complementary

#4038AA #AA7938 #69AA38

monochromatic

#1D1A4E #2F297C #4038AA #5F57C8 #8B85D7

Accessibility & contrast

On white

8.88

#4038AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#4038AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4038AA

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4038AA	#FFFFFF	#000000	##FFFFFF
##4038AA	1.00	8.88	2.36	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAE

Deuteranopia (green-blind)

#0045A8

Tritanopia (blue-blind)

#00566C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4038aa;
/* rgb */ color: rgb(64, 56, 170);
/* oklch */ color: oklch(42.4% 0.175 279.0);

Tailwind

colors: {
  custom: {
    50: '#816fc4',
    500: '#4038aa',
    950: '#000000',
  },
}

SCSS

$custom: #4038aa;
$custom-light: #816fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#4038aa",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 170
  },
  "hsl": {
    "h": 244.211,
    "s": 50.442,
    "l": 44.314
  },
  "oklch": {
    "l": 0.42444,
    "c": 0.17519,
    "h": 279
  },
  "luminance": 0.06821
}

Semantic roles & 50–950 ramp

primary

#4038AA

secondary

#BCC17D

accent

#DA4ED0

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #4038AA

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

Preview Lab → · Contrast checker → · Palette generator →