#4030AF#4030AF

#4030AF is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.7% C 0.191 H 279.9°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#4030AF
RGB	rgb(64, 48, 175)
HSL	hsl(248, 57%, 44%)
HSV	hsv(248, 73%, 69%)
CMYK	cmyk(63.4%, 72.6%, 0%, 31.4%)
CIE-LAB	lab(30.15, 44.04, -65.07)
CIE-LCH	lch(30.15, 78.57, 304.09°)
OKLab	oklab(41.69% 0.0327 -0.1877)
OKLCH	oklch(41.69% 0.191 279.9)
XYZ	xyz(10.9067, 6.2982, 41.1901)
Luminance	0.0630 (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

#4030AF #9FAF30

analogous

#305FAF #4030AF #7F30AF

triadic

#4030AF #AF4030 #30AF40

tetradic

#4030AF #AF305F #9FAF30 #30AF7F

square

#4030AF #AF305F #9FAF30 #30AF7F

split-complementary

#4030AF #AF7F30 #5FAF30

monochromatic

#1D164F #2E237F #4030AF #5E4ECE #8A7EDC

Accessibility & contrast

On white

9.29

#4030AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#4030AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4030AF

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4030AF	#FFFFFF	#000000	##FFFFFF
##4030AF	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB3

Deuteranopia (green-blind)

#0042AD

Tritanopia (blue-blind)

#00536C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #4030af;
/* rgb */ color: rgb(64, 48, 175);
/* oklch */ color: oklch(41.7% 0.191 279.9);

Tailwind

colors: {
  custom: {
    50: '#836ac8',
    500: '#4030af',
    950: '#000000',
  },
}

SCSS

$custom: #4030af;
$custom-light: #836ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#4030af",
  "rgb": {
    "r": 64,
    "g": 48,
    "b": 175
  },
  "hsl": {
    "h": 247.559,
    "s": 56.951,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41694,
    "c": 0.19057,
    "h": 279.9
  },
  "luminance": 0.06299
}

Semantic roles & 50–950 ramp

primary

#4030AF

secondary

#BBC476

accent

#E048CD

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4030AF

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

Preview Lab → · Contrast checker → · Palette generator →