#4072DB#4072DB

#4072DB is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.3% C 0.170 H 263.0°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4072DB
RGB	rgb(64, 114, 219)
HSL	hsl(221, 68%, 55%)
HSV	hsv(221, 71%, 86%)
CMYK	cmyk(70.8%, 47.9%, 0%, 14.1%)
CIE-LAB	lab(49.78, 18.31, -58.72)
CIE-LCH	lch(49.78, 61.51, 287.32°)
OKLab	oklab(57.33% -0.0207 -0.1685)
OKLCH	oklch(57.33% 0.17 263)
XYZ	xyz(20.9133, 18.2369, 69.4220)
Luminance	0.1824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4072DB #DBA940

analogous

#40C0DB #4072DB #5B40DB

triadic

#4072DB #DB4072 #72DB40

tetradic

#4072DB #DB40C0 #DBA940 #40DB5B

square

#4072DB #DB40C0 #DBA940 #40DB5B

split-complementary

#4072DB #DB5B40 #C0DB40

monochromatic

#193D87 #2354BB #4072DB #7398E5 #A7BEEE

Accessibility & contrast

On white

4.52

#4072DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#4072DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4072DB

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4072DB	#FFFFFF	#000000	##000000
##4072DB	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#387EDF

Deuteranopia (green-blind)

#0770D9

Tritanopia (blue-blind)

#008B9C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4072db;
/* rgb */ color: rgb(64, 114, 219);
/* oklch */ color: oklch(57.3% 0.170 263.0);

Tailwind

colors: {
  custom: {
    50: '#8799e7',
    500: '#4072db',
    950: '#000000',
  },
}

SCSS

$custom: #4072db;
$custom-light: #8799e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4072db",
  "rgb": {
    "r": 64,
    "g": 114,
    "b": 219
  },
  "hsl": {
    "h": 220.645,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.5733,
    "c": 0.16974,
    "h": 263
  },
  "luminance": 0.18239
}

Semantic roles & 50–950 ramp

primary

#4072DB

secondary

#DCC79B

accent

#B33DEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4072DB

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

Preview Lab → · Contrast checker → · Palette generator →