#4081DB#4081DB

#4081DB is a mid, vivid cyan. Relative luminance 0.219; OKLCH L 60.5% C 0.153 H 257.1°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#4081DB
RGB	rgb(64, 129, 219)
HSL	hsl(215, 68%, 55%)
HSV	hsv(215, 71%, 86%)
CMYK	cmyk(70.8%, 41.1%, 0%, 14.1%)
CIE-LAB	lab(53.92, 9.03, -52.08)
CIE-LCH	lch(53.92, 52.86, 279.84°)
OKLab	oklab(60.52% -0.0339 -0.1487)
OKLCH	oklch(60.52% 0.153 257.1)
XYZ	xyz(22.7461, 21.9025, 70.0329)
Luminance	0.2190 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4081DB #DB9A40

analogous

#40CEDB #4081DB #4C40DB

triadic

#4081DB #DB4081 #81DB40

tetradic

#4081DB #DB40CE #DB9A40 #40DB4C

square

#4081DB #DB40CE #DB9A40 #40DB4C

split-complementary

#4081DB #DB4C40 #CEDB40

monochromatic

#194787 #2363BB #4081DB #73A3E5 #A7C5EE

Accessibility & contrast

On white

3.90

#4081DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#4081DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4081DB

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4081DB	#FFFFFF	#000000	##000000
##4081DB	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5689DF

Deuteranopia (green-blind)

#3D7AD9

Tritanopia (blue-blind)

#0096A3

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4081db;
/* rgb */ color: rgb(64, 129, 219);
/* oklch */ color: oklch(60.5% 0.153 257.1);

Tailwind

colors: {
  custom: {
    50: '#87a5e7',
    500: '#4081db',
    950: '#000000',
  },
}

SCSS

$custom: #4081db;
$custom-light: #87a5e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4081db",
  "rgb": {
    "r": 64,
    "g": 129,
    "b": 219
  },
  "hsl": {
    "h": 214.839,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.60522,
    "c": 0.15254,
    "h": 257.1
  },
  "luminance": 0.21905
}

Semantic roles & 50–950 ramp

primary

#4081DB

secondary

#DCC19B

accent

#A23DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #4081DB

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

Preview Lab → · Contrast checker → · Palette generator →