#409EB3#409EB3

#409EB3 is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.2% C 0.092 H 215.1°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#409EB3
RGB	rgb(64, 158, 179)
HSL	hsl(191, 47%, 48%)
HSV	hsv(191, 64%, 70%)
CMYK	cmyk(64.2%, 11.7%, 0%, 29.8%)
CIE-LAB	lab(60.60, -20.99, -19.09)
CIE-LCH	lch(60.60, 28.38, 222.29°)
OKLab	oklab(65.21% -0.0756 -0.0531)
OKLCH	oklch(65.21% 0.092 215.1)
XYZ	xyz(22.4746, 28.7960, 47.0128)
Luminance	0.2880 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409EB3 #B35540

analogous

#40B38F #409EB3 #4064B3

triadic

#409EB3 #B3409E #9EB340

tetradic

#409EB3 #8F40B3 #B35540 #64B340

square

#409EB3 #8F40B3 #B35540 #64B340

split-complementary

#409EB3 #B34064 #B38F40

monochromatic

#204E59 #307686 #409EB3 #67B7C9 #94CCD9

Accessibility & contrast

On white

3.11

#409EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#409EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409EB3

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409EB3	#FFFFFF	#000000	##000000
##409EB3	1.00	3.11	6.76	6.76
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F99B4

Deuteranopia (green-blind)

#7E8DB3

Tritanopia (blue-blind)

#00A6A4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #409eb3;
/* rgb */ color: rgb(64, 158, 179);
/* oklch */ color: oklch(65.2% 0.092 215.1);

Tailwind

colors: {
  custom: {
    50: '#82bbc9',
    500: '#409eb3',
    950: '#000000',
  },
}

SCSS

$custom: #409eb3;
$custom-light: #82bbc9;
$custom-dark: #000000;

JSON

{
  "hex": "#409eb3",
  "rgb": {
    "r": 64,
    "g": 158,
    "b": 179
  },
  "hsl": {
    "h": 190.957,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.65207,
    "c": 0.09238,
    "h": 215.1
  },
  "luminance": 0.28798
}

Semantic roles & 50–950 ramp

primary

#409EB3

secondary

#C4958A

accent

#6951D7

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #409EB3

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

Preview Lab → · Contrast checker → · Palette generator →