#409ED8#409ED8

#409ED8 is a light, vivid cyan. Relative luminance 0.305; OKLCH L 66.9% C 0.123 H 239.6°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#409ED8
RGB	rgb(64, 158, 216)
HSL	hsl(203, 66%, 55%)
HSV	hsv(203, 70%, 85%)
CMYK	cmyk(70.4%, 26.9%, 0%, 15.3%)
CIE-LAB	lab(62.08, -8.97, -37.52)
CIE-LCH	lch(62.08, 38.58, 256.55°)
OKLab	oklab(66.88% -0.0621 -0.1058)
OKLCH	oklch(66.88% 0.123 239.6)
XYZ	xyz(26.7311, 30.4986, 69.4305)
Luminance	0.3050 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409ED8 #D87A40

analogous

#40D8C6 #409ED8 #4052D8

triadic

#409ED8 #D8409E #9ED840

tetradic

#409ED8 #C640D8 #D87A40 #52D840

square

#409ED8 #C640D8 #D87A40 #52D840

split-complementary

#409ED8 #D84052 #D8C640

monochromatic

#1B5B83 #257FB6 #409ED8 #73B8E2 #A6D2ED

Accessibility & contrast

On white

2.96

#409ED8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.10

#409ED8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #409ED8

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409ED8	#FFFFFF	#000000	##000000
##409ED8	1.00	2.96	7.10	7.10
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.10	21.00	1.00	1.00
##000000	7.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#839EDB

Deuteranopia (green-blind)

#6E90D7

Tritanopia (blue-blind)

#00ADB2

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #409ed8;
/* rgb */ color: rgb(64, 158, 216);
/* oklch */ color: oklch(66.9% 0.123 239.6);

Tailwind

colors: {
  custom: {
    50: '#87bae4',
    500: '#409ed8',
    950: '#000000',
  },
}

SCSS

$custom: #409ed8;
$custom-light: #87bae4;
$custom-dark: #000000;

JSON

{
  "hex": "#409ed8",
  "rgb": {
    "r": 64,
    "g": 158,
    "b": 216
  },
  "hsl": {
    "h": 202.895,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.66878,
    "c": 0.12273,
    "h": 239.6
  },
  "luminance": 0.30502
}

Semantic roles & 50–950 ramp

primary

#409ED8

secondary

#DAB29A

accent

#803FE9

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0D1115

muted

#7D8083

Preview Lab

Preview with #409ED8

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

Preview Lab → · Contrast checker → · Palette generator →