#4048D9#4048D9

#4048D9 is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.3% C 0.217 H 272.8°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#4048D9
RGB	rgb(64, 72, 217)
HSL	hsl(237, 67%, 55%)
HSV	hsv(237, 71%, 85%)
CMYK	cmyk(70.5%, 66.8%, 0%, 14.9%)
CIE-LAB	lab(39.13, 43.83, -74.91)
CIE-LCH	lch(39.13, 86.79, 300.33°)
OKLab	oklab(49.32% 0.0107 -0.2165)
OKLCH	oklch(49.32% 0.217 272.8)
XYZ	xyz(16.9519, 10.7328, 66.8104)
Luminance	0.1073 (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

#4048D9 #D9D140

analogous

#4094D9 #4048D9 #8540D9

triadic

#4048D9 #D94048 #48D940

tetradic

#4048D9 #D94094 #D9D140 #40D985

square

#4048D9 #D94094 #D9D140 #40D985

split-complementary

#4048D9 #D98540 #94D940

monochromatic

#1A2084 #242CB7 #4048D9 #7379E3 #A6AAED

Accessibility & contrast

On white

6.67

#4048D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#4048D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4048D9

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4048D9	#FFFFFF	#000000	##FFFFFF
##4048D9	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063DD

Deuteranopia (green-blind)

#0055D6

Tritanopia (blue-blind)

#006F8A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4048d9;
/* rgb */ color: rgb(64, 72, 217);
/* oklch */ color: oklch(49.3% 0.217 272.8);

Tailwind

colors: {
  custom: {
    50: '#897be6',
    500: '#4048d9',
    950: '#000000',
  },
}

SCSS

$custom: #4048d9;
$custom-light: #897be6;
$custom-dark: #000000;

JSON

{
  "hex": "#4048d9",
  "rgb": {
    "r": 64,
    "g": 72,
    "b": 217
  },
  "hsl": {
    "h": 236.863,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.49323,
    "c": 0.21678,
    "h": 272.8
  },
  "luminance": 0.10734
}

Semantic roles & 50–950 ramp

primary

#4048D9

secondary

#DAD79A

accent

#E13EEA

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #4048D9

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

Preview Lab → · Contrast checker → · Palette generator →