#407DB3#407DB3

#407DB3 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.3% C 0.105 H 247.5°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#407DB3
RGB	rgb(64, 125, 179)
HSL	hsl(208, 47%, 48%)
HSV	hsv(208, 64%, 70%)
CMYK	cmyk(64.2%, 30.2%, 0%, 29.8%)
CIE-LAB	lab(50.70, -2.61, -34.40)
CIE-LCH	lch(50.70, 34.50, 265.67°)
OKLab	oklab(57.33% -0.0402 -0.0971)
OKLCH	oklch(57.33% 0.105 247.5)
XYZ	xyz(17.5816, 19.0102, 45.3819)
Luminance	0.1901 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407DB3 #B37640

analogous

#40B3AF #407DB3 #4043B3

triadic

#407DB3 #B3407D #7DB340

tetradic

#407DB3 #AF40B3 #B37640 #43B340

square

#407DB3 #AF40B3 #B37640 #43B340

split-complementary

#407DB3 #B34043 #B3AF40

monochromatic

#203E59 #305E86 #407DB3 #679BC9 #94B9D9

Accessibility & contrast

On white

4.37

#407DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#407DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407DB3

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407DB3	#FFFFFF	#000000	##000000
##407DB3	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657FB5

Deuteranopia (green-blind)

#5674B2

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #407db3;
/* rgb */ color: rgb(64, 125, 179);
/* oklch */ color: oklch(57.3% 0.105 247.5);

Tailwind

colors: {
  custom: {
    50: '#80a2ca',
    500: '#407db3',
    950: '#000000',
  },
}

SCSS

$custom: #407db3;
$custom-light: #80a2ca;
$custom-dark: #000000;

JSON

{
  "hex": "#407db3",
  "rgb": {
    "r": 64,
    "g": 125,
    "b": 179
  },
  "hsl": {
    "h": 208.174,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.57326,
    "c": 0.10507,
    "h": 247.5
  },
  "luminance": 0.19012
}

Semantic roles & 50–950 ramp

primary

#407DB3

secondary

#C4A68A

accent

#9051D7

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #407DB3

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

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