#4030B2#4030B2

#4030B2 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 42.0% C 0.194 H 279.5°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#4030B2
RGB	rgb(64, 48, 178)
HSL	hsl(247, 58%, 44%)
HSV	hsv(247, 73%, 70%)
CMYK	cmyk(64%, 73%, 0%, 30.2%)
CIE-LAB	lab(30.44, 44.98, -66.39)
CIE-LCH	lch(30.44, 80.19, 304.12°)
OKLab	oklab(41.99% 0.0321 -0.1916)
OKLCH	oklch(41.99% 0.194 279.5)
XYZ	xyz(11.2046, 6.4174, 42.7591)
Luminance	0.0642 (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

#4030B2 #A2B230

analogous

#3061B2 #4030B2 #8130B2

triadic

#4030B2 #B24030 #30B240

tetradic

#4030B2 #B23061 #A2B230 #30B281

square

#4030B2 #B23061 #A2B230 #30B281

split-complementary

#4030B2 #B28130 #61B230

monochromatic

#1D1652 #2F2382 #4030B2 #5F50D0 #8B80DD

Accessibility & contrast

On white

9.20

#4030B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#4030B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4030B2

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4030B2	#FFFFFF	#000000	##FFFFFF
##4030B2	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB6

Deuteranopia (green-blind)

#0043B0

Tritanopia (blue-blind)

#00546E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4030b2;
/* rgb */ color: rgb(64, 48, 178);
/* oklch */ color: oklch(42.0% 0.194 279.5);

Tailwind

colors: {
  custom: {
    50: '#836bca',
    500: '#4030b2',
    950: '#000000',
  },
}

SCSS

$custom: #4030b2;
$custom-light: #836bca;
$custom-dark: #000000;

JSON

{
  "hex": "#4030b2",
  "rgb": {
    "r": 64,
    "g": 48,
    "b": 178
  },
  "hsl": {
    "h": 247.385,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41987,
    "c": 0.19426,
    "h": 279.5
  },
  "luminance": 0.06418
}

Semantic roles & 50–950 ramp

primary

#4030B2

secondary

#BCC678

accent

#E147CE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4030B2

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

Preview Lab → · Contrast checker → · Palette generator →