#409BCB#409BCB

#409BCB is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.5% C 0.111 H 235.2°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#409BCB
RGB	rgb(64, 155, 203)
HSL	hsl(201, 57%, 52%)
HSV	hsv(201, 68%, 80%)
CMYK	cmyk(68.5%, 23.6%, 0%, 20.4%)
CIE-LAB	lab(60.64, -11.66, -32.52)
CIE-LCH	lch(60.64, 34.54, 250.27°)
OKLab	oklab(65.55% -0.0635 -0.0914)
OKLCH	oklch(65.55% 0.111 235.2)
XYZ	xyz(24.6110, 28.8418, 60.7583)
Luminance	0.2884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409BCB #CB7040

analogous

#40CBB5 #409BCB #4056CB

triadic

#409BCB #CB409B #9BCB40

tetradic

#409BCB #B540CB #CB7040 #56CB40

square

#409BCB #B540CB #CB7040 #56CB40

split-complementary

#409BCB #CB4056 #CBB540

monochromatic

#1F5572 #2C79A2 #409BCB #70B4D8 #A0CDE5

Accessibility & contrast

On white

3.10

#409BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#409BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409BCB

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409BCB	#FFFFFF	#000000	##000000
##409BCB	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849ACD

Deuteranopia (green-blind)

#718CCA

Tritanopia (blue-blind)

#00A8AB

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #409bcb;
/* rgb */ color: rgb(64, 155, 203);
/* oklch */ color: oklch(65.5% 0.111 235.2);

Tailwind

colors: {
  custom: {
    50: '#85b8db',
    500: '#409bcb',
    950: '#000000',
  },
}

SCSS

$custom: #409bcb;
$custom-light: #85b8db;
$custom-dark: #000000;

JSON

{
  "hex": "#409bcb",
  "rgb": {
    "r": 64,
    "g": 155,
    "b": 203
  },
  "hsl": {
    "h": 200.719,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.65549,
    "c": 0.11129,
    "h": 235.2
  },
  "luminance": 0.28844
}

Semantic roles & 50–950 ramp

primary

#409BCB

secondary

#D2AA95

accent

#7C47E0

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #409BCB

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

Preview Lab → · Contrast checker → · Palette generator →