#407FDF#407FDF

#407FDF is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.3% C 0.160 H 258.7°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#407FDF
RGB	rgb(64, 127, 223)
HSL	hsl(216, 71%, 56%)
HSV	hsv(216, 71%, 87%)
CMYK	cmyk(71.3%, 43%, 0%, 12.5%)
CIE-LAB	lab(53.59, 11.69, -54.86)
CIE-LCH	lch(53.59, 56.09, 282.03°)
OKLab	oklab(60.34% -0.0313 -0.1569)
OKLCH	oklch(60.34% 0.16 258.7)
XYZ	xyz(23.0182, 21.5940, 72.7527)
Luminance	0.2160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407FDF #DFA040

analogous

#40CFDF #407FDF #5140DF

triadic

#407FDF #DF407F #7FDF40

tetradic

#407FDF #DF40CF #DFA040 #40DF51

square

#407FDF #DF40CF #DFA040 #40DF51

split-complementary

#407FDF #DF5140 #CFDF40

monochromatic

#18468D #2060C1 #407FDF #74A2E8 #A9C5F1

Accessibility & contrast

On white

3.95

#407FDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#407FDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407FDF

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407FDF	#FFFFFF	#000000	##000000
##407FDF	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5088E3

Deuteranopia (green-blind)

#3379DD

Tritanopia (blue-blind)

#0095A4

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #407fdf;
/* rgb */ color: rgb(64, 127, 223);
/* oklch */ color: oklch(60.3% 0.160 258.7);

Tailwind

colors: {
  custom: {
    50: '#87a3e9',
    500: '#407fdf',
    950: '#000000',
  },
}

SCSS

$custom: #407fdf;
$custom-light: #87a3e9;
$custom-dark: #000000;

JSON

{
  "hex": "#407fdf",
  "rgb": {
    "r": 64,
    "g": 127,
    "b": 223
  },
  "hsl": {
    "h": 216.226,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.6034,
    "c": 0.16001,
    "h": 258.7
  },
  "luminance": 0.21596
}

Semantic roles & 50–950 ramp

primary

#407FDF

secondary

#DEC49D

accent

#A73AEE

background

#F9FAFE

surface

#F1F3FD

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #407FDF

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

Preview Lab → · Contrast checker → · Palette generator →