#4029BB#4029BB

#4029BB is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 42.0% C 0.212 H 279.3°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#4029BB
RGB	rgb(64, 41, 187)
HSL	hsl(249, 64%, 45%)
HSV	hsv(249, 78%, 73%)
CMYK	cmyk(65.8%, 78.1%, 0%, 26.7%)
CIE-LAB	lab(30.07, 51.39, -72.35)
CIE-LCH	lch(30.07, 88.75, 305.39°)
OKLab	oklab(41.99% 0.0342 -0.2089)
OKLCH	oklch(41.99% 0.212 279.3)
XYZ	xyz(11.8741, 6.2627, 47.5872)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.13

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4029BB #A4BB29

analogous

#295BBB #4029BB #8929BB

triadic

#4029BB #BB4029 #29BB40

tetradic

#4029BB #BB295B #A4BB29 #29BB89

square

#4029BB #BB295B #A4BB29 #29BB89

split-complementary

#4029BB #BB8929 #5BBB29

monochromatic

#1E1357 #2F1E89 #4029BB #604AD7 #8C7CE2

Accessibility & contrast

On white

9.32

#4029BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#4029BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4029BB

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4029BB	#FFFFFF	#000000	##FFFFFF
##4029BB	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CBF

Deuteranopia (green-blind)

#0041B8

Tritanopia (blue-blind)

#005571

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #4029bb;
/* rgb */ color: rgb(64, 41, 187);
/* oklch */ color: oklch(42.0% 0.212 279.3);

Tailwind

colors: {
  custom: {
    50: '#8667d1',
    500: '#4029bb',
    950: '#000000',
  },
}

SCSS

$custom: #4029bb;
$custom-light: #8667d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4029bb",
  "rgb": {
    "r": 64,
    "g": 41,
    "b": 187
  },
  "hsl": {
    "h": 249.452,
    "s": 64.035,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41994,
    "c": 0.21171,
    "h": 279.3
  },
  "luminance": 0.06264
}

Semantic roles & 50–950 ramp

primary

#4029BB

secondary

#BDCB75

accent

#E741CD

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0614

muted

#7D7A83

Preview Lab

Preview with #4029BB

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

Preview Lab → · Contrast checker → · Palette generator →