#3A72DB#3A72DB

#3A72DB is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.1% C 0.172 H 261.6°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3A72DB
RGB	rgb(58, 114, 219)
HSL	hsl(219, 69%, 54%)
HSV	hsv(219, 74%, 86%)
CMYK	cmyk(73.5%, 47.9%, 0%, 14.1%)
CIE-LAB	lab(49.55, 17.51, -59.10)
CIE-LCH	lch(49.55, 61.64, 286.51°)
OKLab	oklab(57.09% -0.0252 -0.1697)
OKLCH	oklch(57.09% 0.172 261.6)
XYZ	xyz(20.5438, 18.0464, 69.4047)
Luminance	0.1805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A72DB #DBA33A

analogous

#3AC3DB #3A72DB #523ADB

triadic

#3A72DB #DB3A72 #72DB3A

tetradic

#3A72DB #DB3AC3 #DBA33A #3ADB52

square

#3A72DB #DB3AC3 #DBA33A #3ADB52

split-complementary

#3A72DB #DB523A #C3DB3A

monochromatic

#183D83 #2155B6 #3A72DB #6E97E4 #A1BCEE

Accessibility & contrast

On white

4.56

#3A72DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3A72DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A72DB

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A72DB	#FFFFFF	#000000	##000000
##3A72DB	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#377EDF

Deuteranopia (green-blind)

#006FD9

Tritanopia (blue-blind)

#008B9C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3a72db;
/* rgb */ color: rgb(58, 114, 219);
/* oklch */ color: oklch(57.1% 0.172 261.6);

Tailwind

colors: {
  custom: {
    50: '#8599e7',
    500: '#3a72db',
    950: '#000000',
  },
}

SCSS

$custom: #3a72db;
$custom-light: #8599e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a72db",
  "rgb": {
    "r": 58,
    "g": 114,
    "b": 219
  },
  "hsl": {
    "h": 219.13,
    "s": 69.099,
    "l": 54.314
  },
  "oklch": {
    "l": 0.57091,
    "c": 0.17155,
    "h": 261.6
  },
  "luminance": 0.18049
}

Semantic roles & 50–950 ramp

primary

#3A72DB

secondary

#DBC396

accent

#AF3CEC

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0D16

muted

#7D7E84

Preview Lab

Preview with #3A72DB

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

Preview Lab → · Contrast checker → · Palette generator →