#409FD8#409FD8

#409FD8 is a light, vivid cyan. Relative luminance 0.308; OKLCH L 67.1% C 0.122 H 238.9°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#409FD8
RGB	rgb(64, 159, 216)
HSL	hsl(203, 66%, 55%)
HSV	hsv(203, 70%, 85%)
CMYK	cmyk(70.4%, 26.4%, 0%, 15.3%)
CIE-LAB	lab(62.37, -9.53, -37.07)
CIE-LCH	lch(62.37, 38.27, 255.58°)
OKLab	oklab(67.11% -0.0631 -0.1045)
OKLCH	oklch(67.11% 0.122 238.9)
XYZ	xyz(26.9023, 30.8411, 69.4875)
Luminance	0.3084 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409FD8 #D87940

analogous

#40D8C5 #409FD8 #4053D8

triadic

#409FD8 #D8409F #9FD840

tetradic

#409FD8 #C540D8 #D87940 #53D840

square

#409FD8 #C540D8 #D87940 #53D840

split-complementary

#409FD8 #D84053 #D8C540

monochromatic

#1B5C83 #257FB6 #409FD8 #73B9E2 #A6D2ED

Accessibility & contrast

On white

2.93

#409FD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#409FD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #409FD8

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409FD8	#FFFFFF	#000000	##000000
##409FD8	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849FDB

Deuteranopia (green-blind)

#7090D7

Tritanopia (blue-blind)

#00ADB3

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #409fd8;
/* rgb */ color: rgb(64, 159, 216);
/* oklch */ color: oklch(67.1% 0.122 238.9);

Tailwind

colors: {
  custom: {
    50: '#87bbe4',
    500: '#409fd8',
    950: '#000000',
  },
}

SCSS

$custom: #409fd8;
$custom-light: #87bbe4;
$custom-dark: #000000;

JSON

{
  "hex": "#409fd8",
  "rgb": {
    "r": 64,
    "g": 159,
    "b": 216
  },
  "hsl": {
    "h": 202.5,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.67109,
    "c": 0.12209,
    "h": 238.9
  },
  "luminance": 0.30844
}

Semantic roles & 50–950 ramp

primary

#409FD8

secondary

#DAB29A

accent

#7F3FE9

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0D1115

muted

#7D8083

Preview Lab

Preview with #409FD8

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

Preview Lab → · Contrast checker → · Palette generator →