#4097E5#4097E5

#4097E5 is a light, vivid cyan. Relative luminance 0.289; OKLCH L 66.0% C 0.143 H 248.8°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#4097E5
RGB	rgb(64, 151, 229)
HSL	hsl(208, 76%, 57%)
HSV	hsv(208, 72%, 90%)
CMYK	cmyk(72.1%, 34.1%, 0%, 10.2%)
CIE-LAB	lab(60.67, -0.52, -46.95)
CIE-LCH	lch(60.67, 46.95, 269.37°)
OKLab	oklab(65.96% -0.0517 -0.1333)
OKLCH	oklch(65.96% 0.143 248.8)
XYZ	xyz(27.3185, 28.8773, 78.2477)
Luminance	0.2888 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4097E5 #E58E40

analogous

#40E5E1 #4097E5 #4044E5

triadic

#4097E5 #E54097 #97E540

tetradic

#4097E5 #E140E5 #E58E40 #44E540

square

#4097E5 #E140E5 #E58E40 #44E540

split-complementary

#4097E5 #E54044 #E5E140

monochromatic

#145996 #1C79CC #4097E5 #76B4EC #ACD2F4

Accessibility & contrast

On white

3.10

#4097E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#4097E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4097E5

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4097E5	#FFFFFF	#000000	##000000
##4097E5	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#739BE8

Deuteranopia (green-blind)

#5C8BE3

Tritanopia (blue-blind)

#00AAB3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4097e5;
/* rgb */ color: rgb(64, 151, 229);
/* oklch */ color: oklch(66.0% 0.143 248.8);

Tailwind

colors: {
  custom: {
    50: '#88b5ed',
    500: '#4097e5',
    950: '#000000',
  },
}

SCSS

$custom: #4097e5;
$custom-light: #88b5ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4097e5",
  "rgb": {
    "r": 64,
    "g": 151,
    "b": 229
  },
  "hsl": {
    "h": 208.364,
    "s": 76.037,
    "l": 57.451
  },
  "oklch": {
    "l": 0.65965,
    "c": 0.14301,
    "h": 248.8
  },
  "luminance": 0.2888
}

Semantic roles & 50–950 ramp

primary

#4097E5

secondary

#E2BF9F

accent

#8F35F3

background

#F9FBFE

surface

#F1F6FD

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4097E5

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

Preview Lab → · Contrast checker → · Palette generator →