#405AB0#405AB0

#405AB0 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.3% C 0.140 H 268.3°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#405AB0
RGB	rgb(64, 90, 176)
HSL	hsl(226, 47%, 47%)
HSV	hsv(226, 64%, 69%)
CMYK	cmyk(63.6%, 48.9%, 0%, 31%)
CIE-LAB	lab(40.47, 18.15, -48.89)
CIE-LCH	lch(40.47, 52.15, 290.36°)
OKLab	oklab(49.34% -0.0042 -0.1399)
OKLCH	oklch(49.34% 0.14 268.3)
XYZ	xyz(13.6043, 11.5357, 42.5756)
Luminance	0.1154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AB0 #B09640

analogous

#4092B0 #405AB0 #5E40B0

triadic

#405AB0 #B0405A #5AB040

tetradic

#405AB0 #B04092 #B09640 #40B05E

square

#405AB0 #B04092 #B09640 #40B05E

split-complementary

#405AB0 #B05E40 #92B040

monochromatic

#1F2C56 #304383 #405AB0 #667DC7 #93A3D8

Accessibility & contrast

On white

6.35

#405AB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#405AB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AB0

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AB0	#FFFFFF	#000000	##FFFFFF
##405AB0	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D65B3

Deuteranopia (green-blind)

#165BAE

Tritanopia (blue-blind)

#006E7C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #405ab0;
/* rgb */ color: rgb(64, 90, 176);
/* oklch */ color: oklch(49.3% 0.140 268.3);

Tailwind

colors: {
  custom: {
    50: '#8088c8',
    500: '#405ab0',
    950: '#000000',
  },
}

SCSS

$custom: #405ab0;
$custom-light: #8088c8;
$custom-dark: #000000;

JSON

{
  "hex": "#405ab0",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 176
  },
  "hsl": {
    "h": 226.071,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.49339,
    "c": 0.13999,
    "h": 268.3
  },
  "luminance": 0.11537
}

Semantic roles & 50–950 ramp

primary

#405AB0

secondary

#C3B589

accent

#B751D6

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #405AB0

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

Preview Lab → · Contrast checker → · Palette generator →