#409ECB#409ECB

#409ECB is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.3% C 0.110 H 232.7°. Best body text is #000000 at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#409ECB
RGB	rgb(64, 158, 203)
HSL	hsl(199, 57%, 52%)
HSV	hsv(199, 68%, 80%)
CMYK	cmyk(68.5%, 22.2%, 0%, 20.4%)
CIE-LAB	lab(61.53, -13.31, -31.14)
CIE-LCH	lch(61.53, 33.87, 246.85°)
OKLab	oklab(66.25% -0.0665 -0.0874)
OKLCH	oklch(66.25% 0.11 232.7)
XYZ	xyz(25.1164, 29.8528, 60.9268)
Luminance	0.2986 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409ECB #CB6D40

analogous

#40CBB2 #409ECB #4059CB

triadic

#409ECB #CB409E #9ECB40

tetradic

#409ECB #B240CB #CB6D40 #59CB40

square

#409ECB #B240CB #CB6D40 #59CB40

split-complementary

#409ECB #CB4059 #CBB240

monochromatic

#1F5772 #2C7CA2 #409ECB #70B6D8 #A0CFE5

Accessibility & contrast

On white

3.01

#409ECB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.97

#409ECB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409ECB

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409ECB	#FFFFFF	#000000	##000000
##409ECB	1.00	3.01	6.97	6.97
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.97	21.00	1.00	1.00
##000000	6.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889CCD

Deuteranopia (green-blind)

#758FCA

Tritanopia (blue-blind)

#00AAAD

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #409ecb;
/* rgb */ color: rgb(64, 158, 203);
/* oklch */ color: oklch(66.3% 0.110 232.7);

Tailwind

colors: {
  custom: {
    50: '#85badb',
    500: '#409ecb',
    950: '#000000',
  },
}

SCSS

$custom: #409ecb;
$custom-light: #85badb;
$custom-dark: #000000;

JSON

{
  "hex": "#409ecb",
  "rgb": {
    "r": 64,
    "g": 158,
    "b": 203
  },
  "hsl": {
    "h": 199.424,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.66254,
    "c": 0.10985,
    "h": 232.7
  },
  "luminance": 0.29856
}

Semantic roles & 50–950 ramp

primary

#409ECB

secondary

#D2A995

accent

#7947E0

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #409ECB

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

Preview Lab → · Contrast checker → · Palette generator →