#407CDB#407CDB

#407CDB is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.4% C 0.158 H 259.3°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#407CDB
RGB	rgb(64, 124, 219)
HSL	hsl(217, 68%, 55%)
HSV	hsv(217, 71%, 86%)
CMYK	cmyk(70.8%, 43.4%, 0%, 14.1%)
CIE-LAB	lab(52.53, 12.10, -54.31)
CIE-LCH	lch(52.53, 55.64, 282.56°)
OKLab	oklab(59.44% -0.0294 -0.1553)
OKLCH	oklch(59.44% 0.158 259.3)
XYZ	xyz(22.1036, 20.6174, 69.8188)
Luminance	0.2062 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407CDB #DB9F40

analogous

#40CADB #407CDB #5140DB

triadic

#407CDB #DB407C #7CDB40

tetradic

#407CDB #DB40CA #DB9F40 #40DB51

square

#407CDB #DB40CA #DB9F40 #40DB51

split-complementary

#407CDB #DB5140 #CADB40

monochromatic

#194487 #235EBB #407CDB #739FE5 #A7C3EE

Accessibility & contrast

On white

4.10

#407CDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#407CDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407CDB

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407CDB	#FFFFFF	#000000	##000000
##407CDB	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D85DF

Deuteranopia (green-blind)

#3177D9

Tritanopia (blue-blind)

#0092A1

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #407cdb;
/* rgb */ color: rgb(64, 124, 219);
/* oklch */ color: oklch(59.4% 0.158 259.3);

Tailwind

colors: {
  custom: {
    50: '#87a1e7',
    500: '#407cdb',
    950: '#000000',
  },
}

SCSS

$custom: #407cdb;
$custom-light: #87a1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#407cdb",
  "rgb": {
    "r": 64,
    "g": 124,
    "b": 219
  },
  "hsl": {
    "h": 216.774,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.59442,
    "c": 0.15811,
    "h": 259.3
  },
  "luminance": 0.2062
}

Semantic roles & 50–950 ramp

primary

#407CDB

secondary

#DCC39B

accent

#A83DEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #407CDB

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

Preview Lab → · Contrast checker → · Palette generator →