#4048BF#4048BF

#4048BF is a mid, vivid blue. Relative luminance 0.095; OKLCH L 47.0% C 0.183 H 274.0°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#4048BF
RGB	rgb(64, 72, 191)
HSL	hsl(236, 50%, 50%)
HSV	hsv(236, 66%, 75%)
CMYK	cmyk(66.5%, 62.3%, 0%, 25.1%)
CIE-LAB	lab(36.90, 34.98, -63.48)
CIE-LCH	lch(36.90, 72.48, 298.85°)
OKLab	oklab(47.01% 0.0127 -0.183)
OKLCH	oklch(47.01% 0.183 274)
XYZ	xyz(13.8326, 9.4851, 50.3819)
Luminance	0.0949 (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

#4048BF #BFB740

analogous

#4088BF #4048BF #7740BF

triadic

#4048BF #BF4048 #48BF40

tetradic

#4048BF #BF4088 #BFB740 #40BF77

square

#4048BF #BF4088 #BFB740 #40BF77

split-complementary

#4048BF #BF7740 #88BF40

monochromatic

#212563 #313791 #4048BF #6E74CE #9CA0DE

Accessibility & contrast

On white

7.25

#4048BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#4048BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4048BF

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4048BF	#FFFFFF	#000000	##FFFFFF
##4048BF	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC3

Deuteranopia (green-blind)

#0051BD

Tritanopia (blue-blind)

#00667D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4048bf;
/* rgb */ color: rgb(64, 72, 191);
/* oklch */ color: oklch(47.0% 0.183 274.0);

Tailwind

colors: {
  custom: {
    50: '#847bd3',
    500: '#4048bf',
    950: '#000000',
  },
}

SCSS

$custom: #4048bf;
$custom-light: #847bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4048bf",
  "rgb": {
    "r": 64,
    "g": 72,
    "b": 191
  },
  "hsl": {
    "h": 236.22,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.47014,
    "c": 0.18348,
    "h": 274
  },
  "luminance": 0.09486
}

Semantic roles & 50–950 ramp

primary

#4048BF

secondary

#CAC691

accent

#D14ED9

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4048BF

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

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