#4034B8#4034B8

#4034B8 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 43.1% C 0.197 H 278.2°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#4034B8
RGB	rgb(64, 52, 184)
HSL	hsl(245, 56%, 46%)
HSV	hsv(245, 72%, 72%)
CMYK	cmyk(65.2%, 71.7%, 0%, 27.8%)
CIE-LAB	lab(31.82, 44.65, -67.69)
CIE-LCH	lch(31.82, 81.09, 303.41°)
OKLab	oklab(43.14% 0.0282 -0.1954)
OKLCH	oklch(43.14% 0.197 278.2)
XYZ	xyz(11.9913, 7.0057, 46.0584)
Luminance	0.0701 (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

#4034B8 #ACB834

analogous

#346AB8 #4034B8 #8234B8

triadic

#4034B8 #B84034 #34B840

tetradic

#4034B8 #B8346A #ACB834 #34B882

square

#4034B8 #B8346A #ACB834 #34B882

split-complementary

#4034B8 #B88234 #6AB834

monochromatic

#1F1959 #2F2788 #4034B8 #6459D0 #9189DE

Accessibility & contrast

On white

8.74

#4034B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#4034B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4034B8

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4034B8	#FFFFFF	#000000	##FFFFFF
##4034B8	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BC

Deuteranopia (green-blind)

#0045B6

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4034b8;
/* rgb */ color: rgb(64, 52, 184);
/* oklch */ color: oklch(43.1% 0.197 278.2);

Tailwind

colors: {
  custom: {
    50: '#846dce',
    500: '#4034b8',
    950: '#000000',
  },
}

SCSS

$custom: #4034b8;
$custom-light: #846dce;
$custom-dark: #000000;

JSON

{
  "hex": "#4034b8",
  "rgb": {
    "r": 64,
    "g": 52,
    "b": 184
  },
  "hsl": {
    "h": 245.455,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.43142,
    "c": 0.19743,
    "h": 278.2
  },
  "luminance": 0.07007
}

Semantic roles & 50–950 ramp

primary

#4034B8

secondary

#C1C880

accent

#DF49D2

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4034B8

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

Preview Lab → · Contrast checker → · Palette generator →