#407BDB#407BDB

#407BDB is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.2% C 0.159 H 259.7°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#407BDB
RGB	rgb(64, 123, 219)
HSL	hsl(217, 68%, 55%)
HSV	hsv(217, 71%, 86%)
CMYK	cmyk(70.8%, 43.8%, 0%, 14.1%)
CIE-LAB	lab(52.25, 12.71, -54.76)
CIE-LCH	lch(52.25, 56.21, 283.07°)
OKLab	oklab(59.23% -0.0285 -0.1567)
OKLCH	oklch(59.23% 0.159 259.7)
XYZ	xyz(21.9789, 20.3680, 69.7772)
Luminance	0.2037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407BDB #DBA040

analogous

#40C9DB #407BDB #5240DB

triadic

#407BDB #DB407B #7BDB40

tetradic

#407BDB #DB40C9 #DBA040 #40DB52

square

#407BDB #DB40C9 #DBA040 #40DB52

split-complementary

#407BDB #DB5240 #C9DB40

monochromatic

#194387 #235DBB #407BDB #739FE5 #A7C2EE

Accessibility & contrast

On white

4.14

#407BDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#407BDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407BDB

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407BDB	#FFFFFF	#000000	##000000
##407BDB	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B84DF

Deuteranopia (green-blind)

#2E76D9

Tritanopia (blue-blind)

#0091A0

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #407bdb;
/* rgb */ color: rgb(64, 123, 219);
/* oklch */ color: oklch(59.2% 0.159 259.7);

Tailwind

colors: {
  custom: {
    50: '#87a0e7',
    500: '#407bdb',
    950: '#000000',
  },
}

SCSS

$custom: #407bdb;
$custom-light: #87a0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#407bdb",
  "rgb": {
    "r": 64,
    "g": 123,
    "b": 219
  },
  "hsl": {
    "h": 217.161,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.59228,
    "c": 0.15925,
    "h": 259.7
  },
  "luminance": 0.2037
}

Semantic roles & 50–950 ramp

primary

#407BDB

secondary

#DCC39B

accent

#A93DEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #407BDB

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

Preview Lab → · Contrast checker → · Palette generator →