#4097DB#4097DB

#4097DB is a light, vivid cyan. Relative luminance 0.283; OKLCH L 65.4% C 0.131 H 245.5°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#4097DB
RGB	rgb(64, 151, 219)
HSL	hsl(206, 68%, 55%)
HSV	hsv(206, 71%, 86%)
CMYK	cmyk(70.8%, 31.1%, 0%, 14.1%)
CIE-LAB	lab(60.19, -3.99, -42.16)
CIE-LCH	lch(60.19, 42.34, 264.60°)
OKLab	oklab(65.43% -0.0545 -0.1194)
OKLCH	oklch(65.43% 0.131 245.5)
XYZ	xyz(25.9623, 28.3348, 71.1050)
Luminance	0.2834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4097DB #DB8440

analogous

#40DBD2 #4097DB #4049DB

triadic

#4097DB #DB4097 #97DB40

tetradic

#4097DB #D240DB #DB8440 #49DB40

square

#4097DB #D240DB #DB8440 #49DB40

split-complementary

#4097DB #DB4049 #DBD240

monochromatic

#195787 #2378BB #4097DB #73B3E5 #A7CFEE

Accessibility & contrast

On white

3.15

#4097DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#4097DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4097DB

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4097DB	#FFFFFF	#000000	##000000
##4097DB	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7899DE

Deuteranopia (green-blind)

#638ADA

Tritanopia (blue-blind)

#00A7AF

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #4097db;
/* rgb */ color: rgb(64, 151, 219);
/* oklch */ color: oklch(65.4% 0.131 245.5);

Tailwind

colors: {
  custom: {
    50: '#87b5e6',
    500: '#4097db',
    950: '#000000',
  },
}

SCSS

$custom: #4097db;
$custom-light: #87b5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4097db",
  "rgb": {
    "r": 64,
    "g": 151,
    "b": 219
  },
  "hsl": {
    "h": 206.323,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.65427,
    "c": 0.13121,
    "h": 245.5
  },
  "luminance": 0.28338
}

Semantic roles & 50–950 ramp

primary

#4097DB

secondary

#DCB79B

accent

#893DEB

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4097DB

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

Preview Lab → · Contrast checker → · Palette generator →