#407CB3#407CB3

#407CB3 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.1% C 0.106 H 248.3°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#407CB3
RGB	rgb(64, 124, 179)
HSL	hsl(209, 47%, 48%)
HSV	hsv(209, 64%, 70%)
CMYK	cmyk(64.2%, 30.7%, 0%, 29.8%)
CIE-LAB	lab(50.40, -2.01, -34.86)
CIE-LCH	lch(50.40, 34.92, 266.70°)
OKLab	oklab(57.09% -0.0391 -0.0984)
OKLCH	oklch(57.09% 0.106 248.3)
XYZ	xyz(17.4557, 18.7582, 45.3399)
Luminance	0.1876 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407CB3 #B37740

analogous

#40B3B1 #407CB3 #4042B3

triadic

#407CB3 #B3407C #7CB340

tetradic

#407CB3 #B140B3 #B37740 #42B340

square

#407CB3 #B140B3 #B37740 #42B340

split-complementary

#407CB3 #B34042 #B3B140

monochromatic

#203E59 #305D86 #407CB3 #679AC9 #94B8D9

Accessibility & contrast

On white

4.42

#407CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#407CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407CB3

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407CB3	#FFFFFF	#000000	##000000
##407CB3	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647EB5

Deuteranopia (green-blind)

#5473B2

Tritanopia (blue-blind)

#00898F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #407cb3;
/* rgb */ color: rgb(64, 124, 179);
/* oklch */ color: oklch(57.1% 0.106 248.3);

Tailwind

colors: {
  custom: {
    50: '#80a1ca',
    500: '#407cb3',
    950: '#000000',
  },
}

SCSS

$custom: #407cb3;
$custom-light: #80a1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#407cb3",
  "rgb": {
    "r": 64,
    "g": 124,
    "b": 179
  },
  "hsl": {
    "h": 208.696,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.57093,
    "c": 0.10593,
    "h": 248.3
  },
  "luminance": 0.1876
}

Semantic roles & 50–950 ramp

primary

#407CB3

secondary

#C4A68A

accent

#9151D7

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #407CB3

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

Preview Lab → · Contrast checker → · Palette generator →