#407BCB#407BCB

#407BCB is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 58.2% C 0.138 H 256.7°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#407BCB
RGB	rgb(64, 123, 203)
HSL	hsl(215, 57%, 52%)
HSV	hsv(215, 68%, 80%)
CMYK	cmyk(68.5%, 39.4%, 0%, 20.4%)
CIE-LAB	lab(51.34, 6.99, -47.14)
CIE-LCH	lch(51.34, 47.66, 278.44°)
OKLab	oklab(58.23% -0.0318 -0.1343)
OKLCH	oklch(58.23% 0.138 256.7)
XYZ	xyz(19.9729, 19.5656, 59.2123)
Luminance	0.1957 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407BCB #CB9040

analogous

#40C1CB #407BCB #4A40CB

triadic

#407BCB #CB407B #7BCB40

tetradic

#407BCB #CB40C1 #CB9040 #40CB4A

square

#407BCB #CB40C1 #CB9040 #40CB4A

split-complementary

#407BCB #CB4A40 #C1CB40

monochromatic

#1F4272 #2C5EA2 #407BCB #709CD8 #A0BDE5

Accessibility & contrast

On white

4.27

#407BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#407BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407BCB

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407BCB	#FFFFFF	#000000	##000000
##407BCB	1.00	4.27	4.91	4.91
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5681CE

Deuteranopia (green-blind)

#4174C9

Tritanopia (blue-blind)

#008E99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #407bcb;
/* rgb */ color: rgb(64, 123, 203);
/* oklch */ color: oklch(58.2% 0.138 256.7);

Tailwind

colors: {
  custom: {
    50: '#84a0db',
    500: '#407bcb',
    950: '#000000',
  },
}

SCSS

$custom: #407bcb;
$custom-light: #84a0db;
$custom-dark: #000000;

JSON

{
  "hex": "#407bcb",
  "rgb": {
    "r": 64,
    "g": 123,
    "b": 203
  },
  "hsl": {
    "h": 214.532,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.5823,
    "c": 0.13802,
    "h": 256.7
  },
  "luminance": 0.19568
}

Semantic roles & 50–950 ramp

primary

#407BCB

secondary

#D2B895

accent

#9F47E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #407BCB

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

Preview Lab → · Contrast checker → · Palette generator →