#4030BF#4030BF

#4030BF is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.3% C 0.210 H 278.0°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#4030BF
RGB	rgb(64, 48, 191)
HSL	hsl(247, 60%, 47%)
HSV	hsv(247, 75%, 75%)
CMYK	cmyk(66.5%, 74.9%, 0%, 25.1%)
CIE-LAB	lab(31.73, 49.04, -71.98)
CIE-LCH	lch(31.73, 87.10, 304.27°)
OKLab	oklab(43.28% 0.0293 -0.2079)
OKLCH	oklch(43.28% 0.21 278)
XYZ	xyz(12.5722, 6.9644, 49.9618)
Luminance	0.0697 (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

#4030BF #AFBF30

analogous

#3068BF #4030BF #8830BF

triadic

#4030BF #BF4030 #30BF40

tetradic

#4030BF #BF3068 #AFBF30 #30BF88

square

#4030BF #BF3068 #AFBF30 #30BF88

split-complementary

#4030BF #BF8830 #68BF30

monochromatic

#1F175D #30248E #4030BF #6557D5 #9288E1

Accessibility & contrast

On white

8.78

#4030BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#4030BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4030BF

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4030BF	#FFFFFF	#000000	##FFFFFF
##4030BF	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C3

Deuteranopia (green-blind)

#0045BC

Tritanopia (blue-blind)

#005975

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4030bf;
/* rgb */ color: rgb(64, 48, 191);
/* oklch */ color: oklch(43.3% 0.210 278.0);

Tailwind

colors: {
  custom: {
    50: '#866bd4',
    500: '#4030bf',
    950: '#000000',
  },
}

SCSS

$custom: #4030bf;
$custom-light: #866bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#4030bf",
  "rgb": {
    "r": 64,
    "g": 48,
    "b": 191
  },
  "hsl": {
    "h": 246.713,
    "s": 59.833,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43282,
    "c": 0.20994,
    "h": 278
  },
  "luminance": 0.06965
}

Semantic roles & 50–950 ramp

primary

#4030BF

secondary

#C3CB80

accent

#E345D1

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4030BF

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

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