#407BE3#407BE3

#407BE3 is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.8% C 0.170 H 260.8°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#407BE3
RGB	rgb(64, 123, 227)
HSL	hsl(218, 74%, 57%)
HSV	hsv(218, 72%, 89%)
CMYK	cmyk(71.8%, 45.8%, 0%, 11%)
CIE-LAB	lab(52.73, 15.59, -58.49)
CIE-LCH	lch(52.73, 60.53, 284.92°)
OKLab	oklab(59.75% -0.0272 -0.1676)
OKLCH	oklch(59.75% 0.17 260.8)
XYZ	xyz(23.0575, 20.7995, 75.4577)
Luminance	0.2080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407BE3 #E3A840

analogous

#40CDE3 #407BE3 #5740E3

triadic

#407BE3 #E3407B #7BE340

tetradic

#407BE3 #E340CD #E3A840 #40E357

square

#407BE3 #E340CD #E3A840 #40E357

split-complementary

#407BE3 #E35740 #CDE340

monochromatic

#164393 #1D5BC8 #407BE3 #75A0EB #ABC5F3

Accessibility & contrast

On white

4.07

#407BE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#407BE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407BE3

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407BE3	#FFFFFF	#000000	##000000
##407BE3	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4586E7

Deuteranopia (green-blind)

#2077E1

Tritanopia (blue-blind)

#0093A4

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #407be3;
/* rgb */ color: rgb(64, 123, 227);
/* oklch */ color: oklch(59.8% 0.170 260.8);

Tailwind

colors: {
  custom: {
    50: '#88a0ec',
    500: '#407be3',
    950: '#000000',
  },
}

SCSS

$custom: #407be3;
$custom-light: #88a0ec;
$custom-dark: #000000;

JSON

{
  "hex": "#407be3",
  "rgb": {
    "r": 64,
    "g": 123,
    "b": 227
  },
  "hsl": {
    "h": 218.282,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.59751,
    "c": 0.16984,
    "h": 260.8
  },
  "luminance": 0.20802
}

Semantic roles & 50–950 ramp

primary

#407BE3

secondary

#E1C99E

accent

#AE37F1

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #407BE3

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

Preview Lab → · Contrast checker → · Palette generator →