#409FCB#409FCB

#409FCB is a light, moderate cyan. Relative luminance 0.302; OKLCH L 66.5% C 0.109 H 231.9°. Best body text is #000000 at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#409FCB
RGB	rgb(64, 159, 203)
HSL	hsl(199, 57%, 52%)
HSV	hsv(199, 68%, 80%)
CMYK	cmyk(68.5%, 21.7%, 0%, 20.4%)
CIE-LAB	lab(61.82, -13.86, -30.68)
CIE-LCH	lch(61.82, 33.67, 245.69°)
OKLab	oklab(66.49% -0.0675 -0.0861)
OKLCH	oklch(66.49% 0.109 231.9)
XYZ	xyz(25.2877, 30.1953, 60.9839)
Luminance	0.3020 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409FCB #CB6C40

analogous

#40CBB2 #409FCB #4059CB

triadic

#409FCB #CB409F #9FCB40

tetradic

#409FCB #B240CB #CB6C40 #59CB40

square

#409FCB #B240CB #CB6C40 #59CB40

split-complementary

#409FCB #CB4059 #CBB240

monochromatic

#1F5772 #2C7CA2 #409FCB #70B7D8 #A0CFE5

Accessibility & contrast

On white

2.98

#409FCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.04

#409FCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #409FCB

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409FCB	#FFFFFF	#000000	##000000
##409FCB	1.00	2.98	7.04	7.04
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.04	21.00	1.00	1.00
##000000	7.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899DCD

Deuteranopia (green-blind)

#768FCA

Tritanopia (blue-blind)

#00ABAE

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #409fcb;
/* rgb */ color: rgb(64, 159, 203);
/* oklch */ color: oklch(66.5% 0.109 231.9);

Tailwind

colors: {
  custom: {
    50: '#85bbdb',
    500: '#409fcb',
    950: '#000000',
  },
}

SCSS

$custom: #409fcb;
$custom-light: #85bbdb;
$custom-dark: #000000;

JSON

{
  "hex": "#409fcb",
  "rgb": {
    "r": 64,
    "g": 159,
    "b": 203
  },
  "hsl": {
    "h": 198.993,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.66489,
    "c": 0.10942,
    "h": 231.9
  },
  "luminance": 0.30198
}

Semantic roles & 50–950 ramp

primary

#409FCB

secondary

#D2A895

accent

#7847E0

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #409FCB

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

Preview Lab → · Contrast checker → · Palette generator →