#409DB2#409DB2

#409DB2 is a light, moderate cyan. Relative luminance 0.284; OKLCH L 64.9% C 0.092 H 215.2°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#409DB2
RGB	rgb(64, 157, 178)
HSL	hsl(191, 47%, 47%)
HSV	hsv(191, 64%, 70%)
CMYK	cmyk(64%, 11.8%, 0%, 30.2%)
CIE-LAB	lab(60.26, -20.78, -19.04)
CIE-LCH	lch(60.26, 28.19, 222.51°)
OKLab	oklab(64.92% -0.075 -0.0529)
OKLCH	oklch(64.92% 0.092 215.2)
XYZ	xyz(22.2039, 28.4159, 46.4255)
Luminance	0.2842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409DB2 #B25540

analogous

#40B28E #409DB2 #4064B2

triadic

#409DB2 #B2409D #9DB240

tetradic

#409DB2 #8E40B2 #B25540 #64B240

square

#409DB2 #8E40B2 #B25540 #64B240

split-complementary

#409DB2 #B24064 #B28E40

monochromatic

#204E58 #307585 #409DB2 #67B6C8 #94CCD8

Accessibility & contrast

On white

3.14

#409DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#409DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409DB2

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409DB2	#FFFFFF	#000000	##000000
##409DB2	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E98B3

Deuteranopia (green-blind)

#7E8CB2

Tritanopia (blue-blind)

#00A5A3

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #409db2;
/* rgb */ color: rgb(64, 157, 178);
/* oklch */ color: oklch(64.9% 0.092 215.2);

Tailwind

colors: {
  custom: {
    50: '#82bac9',
    500: '#409db2',
    950: '#000000',
  },
}

SCSS

$custom: #409db2;
$custom-light: #82bac9;
$custom-dark: #000000;

JSON

{
  "hex": "#409db2",
  "rgb": {
    "r": 64,
    "g": 157,
    "b": 178
  },
  "hsl": {
    "h": 191.053,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.64923,
    "c": 0.09176,
    "h": 215.2
  },
  "luminance": 0.28418
}

Semantic roles & 50–950 ramp

primary

#409DB2

secondary

#C4958A

accent

#6A51D7

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #409DB2

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

Preview Lab → · Contrast checker → · Palette generator →