#409BD4#409BD4

#409BD4 is a light, vivid cyan. Relative luminance 0.293; OKLCH L 66.0% C 0.120 H 239.8°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#409BD4
RGB	rgb(64, 155, 212)
HSL	hsl(203, 63%, 54%)
HSV	hsv(203, 70%, 83%)
CMYK	cmyk(69.8%, 26.9%, 0%, 16.9%)
CIE-LAB	lab(61.03, -8.65, -36.94)
CIE-LCH	lch(61.03, 37.94, 256.83°)
OKLab	oklab(65.99% -0.0605 -0.1042)
OKLCH	oklch(65.99% 0.12 239.8)
XYZ	xyz(25.7148, 29.2833, 66.5716)
Luminance	0.2929 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409BD4 #D47940

analogous

#40D4C3 #409BD4 #4051D4

triadic

#409BD4 #D4409B #9BD440

tetradic

#409BD4 #C340D4 #D47940 #51D440

square

#409BD4 #C340D4 #D47940 #51D440

split-complementary

#409BD4 #D44051 #D4C340

monochromatic

#1C587D #277BAF #409BD4 #72B5DF #A4CFEA

Accessibility & contrast

On white

3.06

#409BD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.86

#409BD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409BD4

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409BD4	#FFFFFF	#000000	##000000
##409BD4	1.00	3.06	6.86	6.86
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.86	21.00	1.00	1.00
##000000	6.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819BD7

Deuteranopia (green-blind)

#6C8DD3

Tritanopia (blue-blind)

#00A9AF

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #409bd4;
/* rgb */ color: rgb(64, 155, 212);
/* oklch */ color: oklch(66.0% 0.120 239.8);

Tailwind

colors: {
  custom: {
    50: '#86b8e1',
    500: '#409bd4',
    950: '#000000',
  },
}

SCSS

$custom: #409bd4;
$custom-light: #86b8e1;
$custom-dark: #000000;

JSON

{
  "hex": "#409bd4",
  "rgb": {
    "r": 64,
    "g": 155,
    "b": 212
  },
  "hsl": {
    "h": 203.108,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.65986,
    "c": 0.12047,
    "h": 239.8
  },
  "luminance": 0.29286
}

Semantic roles & 50–950 ramp

primary

#409BD4

secondary

#D7B198

accent

#8142E6

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #409BD4

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

Preview Lab → · Contrast checker → · Palette generator →