#4029B8#4029B8

#4029B8 is a dark, highly saturated blue. Relative luminance 0.061; OKLCH L 41.7% C 0.208 H 279.7°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#4029B8
RGB	rgb(64, 41, 184)
HSL	hsl(250, 64%, 44%)
HSV	hsv(250, 78%, 72%)
CMYK	cmyk(65.2%, 77.7%, 0%, 27.8%)
CIE-LAB	lab(29.75, 50.50, -71.09)
CIE-LCH	lch(29.75, 87.20, 305.38°)
OKLab	oklab(41.68% 0.035 -0.2053)
OKLCH	oklch(41.68% 0.208 279.7)
XYZ	xyz(11.5563, 6.1356, 45.9134)
Luminance	0.0614 (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

#4029B8 #A1B829

analogous

#295AB8 #4029B8 #8829B8

triadic

#4029B8 #B84029 #29B840

tetradic

#4029B8 #B8295A #A1B829 #29B888

square

#4029B8 #B8295A #A1B829 #29B888

split-complementary

#4029B8 #B88829 #5AB829

monochromatic

#1D1354 #2F1E86 #4029B8 #5F48D6 #8B7AE1

Accessibility & contrast

On white

9.43

#4029B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#4029B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4029B8

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4029B8	#FFFFFF	#000000	##FFFFFF
##4029B8	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BBC

Deuteranopia (green-blind)

#0040B5

Tritanopia (blue-blind)

#005370

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #4029b8;
/* rgb */ color: rgb(64, 41, 184);
/* oklch */ color: oklch(41.7% 0.208 279.7);

Tailwind

colors: {
  custom: {
    50: '#8567cf',
    500: '#4029b8',
    950: '#000000',
  },
}

SCSS

$custom: #4029b8;
$custom-light: #8567cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4029b8",
  "rgb": {
    "r": 64,
    "g": 41,
    "b": 184
  },
  "hsl": {
    "h": 249.65,
    "s": 63.556,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41682,
    "c": 0.20822,
    "h": 279.7
  },
  "luminance": 0.06137
}

Semantic roles & 50–950 ramp

primary

#4029B8

secondary

#BCC973

accent

#E741CC

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0D0614

muted

#7D7A82

Preview Lab

Preview with #4029B8

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

Preview Lab → · Contrast checker → · Palette generator →