#407DD4#407DD4

#407DD4 is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.2% C 0.148 H 257.6°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#407DD4
RGB	rgb(64, 125, 212)
HSL	hsl(215, 63%, 54%)
HSV	hsv(215, 70%, 83%)
CMYK	cmyk(69.8%, 41%, 0%, 16.9%)
CIE-LAB	lab(52.41, 8.97, -50.55)
CIE-LCH	lch(52.41, 51.34, 280.07°)
OKLab	oklab(59.22% -0.0317 -0.1443)
OKLCH	oklch(59.22% 0.148 257.6)
XYZ	xyz(21.3273, 20.5084, 65.1091)
Luminance	0.2051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407DD4 #D49740

analogous

#40C7D4 #407DD4 #4D40D4

triadic

#407DD4 #D4407D #7DD440

tetradic

#407DD4 #D440C7 #D49740 #40D44D

square

#407DD4 #D440C7 #D49740 #40D44D

split-complementary

#407DD4 #D44D40 #C7D440

monochromatic

#1C447D #275FAF #407DD4 #729FDF #A4C1EA

Accessibility & contrast

On white

4.12

#407DD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#407DD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407DD4

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407DD4	#FFFFFF	#000000	##000000
##407DD4	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5484D7

Deuteranopia (green-blind)

#3C77D2

Tritanopia (blue-blind)

#00919E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #407dd4;
/* rgb */ color: rgb(64, 125, 212);
/* oklch */ color: oklch(59.2% 0.148 257.6);

Tailwind

colors: {
  custom: {
    50: '#85a2e2',
    500: '#407dd4',
    950: '#000000',
  },
}

SCSS

$custom: #407dd4;
$custom-light: #85a2e2;
$custom-dark: #000000;

JSON

{
  "hex": "#407dd4",
  "rgb": {
    "r": 64,
    "g": 125,
    "b": 212
  },
  "hsl": {
    "h": 215.27,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.59219,
    "c": 0.14774,
    "h": 257.6
  },
  "luminance": 0.20511
}

Semantic roles & 50–950 ramp

primary

#407DD4

secondary

#D7BD98

accent

#A242E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #407DD4

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

Preview Lab → · Contrast checker → · Palette generator →