#4030B6#4030B6

#4030B6 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.4% C 0.199 H 279.0°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#4030B6
RGB	rgb(64, 48, 182)
HSL	hsl(247, 58%, 45%)
HSV	hsv(247, 74%, 71%)
CMYK	cmyk(64.8%, 73.6%, 0%, 28.6%)
CIE-LAB	lab(30.83, 46.24, -68.13)
CIE-LCH	lch(30.83, 82.34, 304.17°)
OKLab	oklab(42.38% 0.0313 -0.1967)
OKLCH	oklch(42.38% 0.199 279)
XYZ	xyz(11.6121, 6.5804, 44.9051)
Luminance	0.0658 (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

#4030B6 #A6B630

analogous

#3063B6 #4030B6 #8330B6

triadic

#4030B6 #B64030 #30B640

tetradic

#4030B6 #B63063 #A6B630 #30B683

square

#4030B6 #B63063 #A6B630 #30B683

split-complementary

#4030B6 #B68330 #63B630

monochromatic

#1E1655 #2F2386 #4030B6 #6152D1 #8D82DE

Accessibility & contrast

On white

9.07

#4030B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#4030B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4030B6

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4030B6	#FFFFFF	#000000	##FFFFFF
##4030B6	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBA

Deuteranopia (green-blind)

#0043B4

Tritanopia (blue-blind)

#005670

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4030b6;
/* rgb */ color: rgb(64, 48, 182);
/* oklch */ color: oklch(42.4% 0.199 279.0);

Tailwind

colors: {
  custom: {
    50: '#846bcd',
    500: '#4030b6',
    950: '#000000',
  },
}

SCSS

$custom: #4030b6;
$custom-light: #846bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#4030b6",
  "rgb": {
    "r": 64,
    "g": 48,
    "b": 182
  },
  "hsl": {
    "h": 247.164,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42381,
    "c": 0.19913,
    "h": 279
  },
  "luminance": 0.06581
}

Semantic roles & 50–950 ramp

primary

#4030B6

secondary

#BEC77B

accent

#E146CF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4030B6

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

Preview Lab → · Contrast checker → · Palette generator →