#409EC9#409EC9

#409EC9 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.2% C 0.108 H 231.5°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#409EC9
RGB	rgb(64, 158, 201)
HSL	hsl(199, 56%, 52%)
HSV	hsv(199, 68%, 79%)
CMYK	cmyk(68.2%, 21.4%, 0%, 21.2%)
CIE-LAB	lab(61.44, -13.97, -30.15)
CIE-LCH	lch(61.44, 33.23, 245.14°)
OKLab	oklab(66.16% -0.0672 -0.0846)
OKLCH	oklch(66.16% 0.108 231.5)
XYZ	xyz(24.8796, 29.7580, 59.6797)
Luminance	0.2976 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409EC9 #C96B40

analogous

#40C9AF #409EC9 #405AC9

triadic

#409EC9 #C9409E #9EC940

tetradic

#409EC9 #AF40C9 #C96B40 #5AC940

square

#409EC9 #AF40C9 #C96B40 #5AC940

split-complementary

#409EC9 #C9405A #C9AF40

monochromatic

#1F566F #2D7B9F #409EC9 #70B6D6 #9FCEE4

Accessibility & contrast

On white

3.02

#409EC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#409EC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409EC9

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409EC9	#FFFFFF	#000000	##000000
##409EC9	1.00	3.02	6.95	6.95
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.95	21.00	1.00	1.00
##000000	6.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889CCB

Deuteranopia (green-blind)

#768EC8

Tritanopia (blue-blind)

#00AAAC

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #409ec9;
/* rgb */ color: rgb(64, 158, 201);
/* oklch */ color: oklch(66.2% 0.108 231.5);

Tailwind

colors: {
  custom: {
    50: '#84bad9',
    500: '#409ec9',
    950: '#000000',
  },
}

SCSS

$custom: #409ec9;
$custom-light: #84bad9;
$custom-dark: #000000;

JSON

{
  "hex": "#409ec9",
  "rgb": {
    "r": 64,
    "g": 158,
    "b": 201
  },
  "hsl": {
    "h": 198.832,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.66161,
    "c": 0.10804,
    "h": 231.5
  },
  "luminance": 0.29761
}

Semantic roles & 50–950 ramp

primary

#409EC9

secondary

#D0A794

accent

#7849DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #409EC9

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

Preview Lab → · Contrast checker → · Palette generator →