#409CAF#409CAF

#409CAF is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.6% C 0.090 H 213.6°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#409CAF
RGB	rgb(64, 156, 175)
HSL	hsl(190, 46%, 47%)
HSV	hsv(190, 63%, 69%)
CMYK	cmyk(63.4%, 10.9%, 0%, 31.4%)
CIE-LAB	lab(59.85, -21.18, -17.97)
CIE-LCH	lch(59.85, 27.78, 220.32°)
OKLab	oklab(64.56% -0.0751 -0.0499)
OKLCH	oklch(64.56% 0.09 213.6)
XYZ	xyz(21.7375, 27.9598, 44.8003)
Luminance	0.2796 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409CAF #AF5340

analogous

#40AF8B #409CAF #4065AF

triadic

#409CAF #AF409C #9CAF40

tetradic

#409CAF #8B40AF #AF5340 #65AF40

square

#409CAF #8B40AF #AF5340 #65AF40

split-complementary

#409CAF #AF4065 #AF8B40

monochromatic

#1F4C55 #307482 #409CAF #65B6C7 #92CBD7

Accessibility & contrast

On white

3.19

#409CAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#409CAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409CAF

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409CAF	#FFFFFF	#000000	##000000
##409CAF	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E97B0

Deuteranopia (green-blind)

#7E8BAF

Tritanopia (blue-blind)

#00A3A2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #409caf;
/* rgb */ color: rgb(64, 156, 175);
/* oklch */ color: oklch(64.6% 0.090 213.6);

Tailwind

colors: {
  custom: {
    50: '#81b9c6',
    500: '#409caf',
    950: '#000000',
  },
}

SCSS

$custom: #409caf;
$custom-light: #81b9c6;
$custom-dark: #000000;

JSON

{
  "hex": "#409caf",
  "rgb": {
    "r": 64,
    "g": 156,
    "b": 175
  },
  "hsl": {
    "h": 190.27,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.64558,
    "c": 0.09019,
    "h": 213.6
  },
  "luminance": 0.27962
}

Semantic roles & 50–950 ramp

primary

#409CAF

secondary

#C39288

accent

#6852D6

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #409CAF

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

Preview Lab → · Contrast checker → · Palette generator →