#408BCB#408BCB

#408BCB is a mid, vivid cyan. Relative luminance 0.239; OKLCH L 61.8% C 0.122 H 247.2°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#408BCB
RGB	rgb(64, 139, 203)
HSL	hsl(208, 57%, 52%)
HSV	hsv(208, 68%, 80%)
CMYK	cmyk(68.5%, 31.5%, 0%, 20.4%)
CIE-LAB	lab(55.95, -2.57, -39.85)
CIE-LCH	lch(55.95, 39.93, 266.30°)
OKLab	oklab(61.84% -0.0475 -0.1128)
OKLCH	oklch(61.84% 0.122 247.2)
XYZ	xyz(22.1224, 23.8647, 59.9288)
Luminance	0.2387 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408BCB #CB8040

analogous

#40CBC6 #408BCB #4045CB

triadic

#408BCB #CB408B #8BCB40

tetradic

#408BCB #C640CB #CB8040 #45CB40

square

#408BCB #C640CB #CB8040 #45CB40

split-complementary

#408BCB #CB4045 #CBC640

monochromatic

#1F4C72 #2C6CA2 #408BCB #70A8D8 #A0C5E5

Accessibility & contrast

On white

3.64

#408BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#408BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408BCB

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408BCB	#FFFFFF	#000000	##000000
##408BCB	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8DCE

Deuteranopia (green-blind)

#5B80CA

Tritanopia (blue-blind)

#009AA2

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #408bcb;
/* rgb */ color: rgb(64, 139, 203);
/* oklch */ color: oklch(61.8% 0.122 247.2);

Tailwind

colors: {
  custom: {
    50: '#84acdb',
    500: '#408bcb',
    950: '#000000',
  },
}

SCSS

$custom: #408bcb;
$custom-light: #84acdb;
$custom-dark: #000000;

JSON

{
  "hex": "#408bcb",
  "rgb": {
    "r": 64,
    "g": 139,
    "b": 203
  },
  "hsl": {
    "h": 207.626,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.61837,
    "c": 0.12237,
    "h": 247.2
  },
  "luminance": 0.23867
}

Semantic roles & 50–950 ramp

primary

#408BCB

secondary

#D2B195

accent

#8E47E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #408BCB

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

Preview Lab → · Contrast checker → · Palette generator →