#407DB4#407DB4

#407DB4 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.4% C 0.106 H 248.0°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#407DB4
RGB	rgb(64, 125, 180)
HSL	hsl(208, 48%, 48%)
HSV	hsv(208, 64%, 71%)
CMYK	cmyk(64.4%, 30.6%, 0%, 29.4%)
CIE-LAB	lab(50.75, -2.26, -34.90)
CIE-LCH	lch(50.75, 34.97, 266.29°)
OKLab	oklab(57.38% -0.0399 -0.0985)
OKLCH	oklch(57.38% 0.106 248)
XYZ	xyz(17.6831, 19.0508, 45.9164)
Luminance	0.1905 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407DB4 #B47740

analogous

#40B4B1 #407DB4 #4043B4

triadic

#407DB4 #B4407D #7DB440

tetradic

#407DB4 #B140B4 #B47740 #43B440

square

#407DB4 #B140B4 #B47740 #43B440

split-complementary

#407DB4 #B44043 #B4B140

monochromatic

#203E5A #305E87 #407DB4 #689BC9 #95B9D9

Accessibility & contrast

On white

4.37

#407DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#407DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407DB4

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407DB4	#FFFFFF	#000000	##000000
##407DB4	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657FB6

Deuteranopia (green-blind)

#5574B3

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #407db4;
/* rgb */ color: rgb(64, 125, 180);
/* oklch */ color: oklch(57.4% 0.106 248.0);

Tailwind

colors: {
  custom: {
    50: '#80a2ca',
    500: '#407db4',
    950: '#000000',
  },
}

SCSS

$custom: #407db4;
$custom-light: #80a2ca;
$custom-dark: #000000;

JSON

{
  "hex": "#407db4",
  "rgb": {
    "r": 64,
    "g": 125,
    "b": 180
  },
  "hsl": {
    "h": 208.448,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.57379,
    "c": 0.1063,
    "h": 248
  },
  "luminance": 0.19053
}

Semantic roles & 50–950 ramp

primary

#407DB4

secondary

#C5A68B

accent

#9051D7

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #407DB4

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

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