#406EB3#406EB3

#406EB3 is a mid, moderate blue. Relative luminance 0.155; OKLCH L 53.9% C 0.120 H 258.3°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#406EB3
RGB	rgb(64, 110, 179)
HSL	hsl(216, 47%, 48%)
HSV	hsv(216, 64%, 70%)
CMYK	cmyk(64.2%, 38.5%, 0%, 29.8%)
CIE-LAB	lab(46.30, 6.51, -41.33)
CIE-LCH	lch(46.30, 41.84, 278.95°)
OKLab	oklab(53.89% -0.0243 -0.1174)
OKLCH	oklch(53.89% 0.12 258.3)
XYZ	xyz(15.8241, 15.4950, 44.7960)
Luminance	0.1550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406EB3 #B38540

analogous

#40A7B3 #406EB3 #4C40B3

triadic

#406EB3 #B3406E #6EB340

tetradic

#406EB3 #B340A7 #B38540 #40B34C

square

#406EB3 #B340A7 #B38540 #40B34C

split-complementary

#406EB3 #B34C40 #A7B340

monochromatic

#203759 #305286 #406EB3 #678EC9 #94B0D9

Accessibility & contrast

On white

5.12

#406EB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#406EB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406EB3

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406EB3	#FFFFFF	#000000	##FFFFFF
##406EB3	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5074B6

Deuteranopia (green-blind)

#3F69B2

Tritanopia (blue-blind)

#007E88

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #406eb3;
/* rgb */ color: rgb(64, 110, 179);
/* oklch */ color: oklch(53.9% 0.120 258.3);

Tailwind

colors: {
  custom: {
    50: '#8097ca',
    500: '#406eb3',
    950: '#000000',
  },
}

SCSS

$custom: #406eb3;
$custom-light: #8097ca;
$custom-dark: #000000;

JSON

{
  "hex": "#406eb3",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 179
  },
  "hsl": {
    "h": 216,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53888,
    "c": 0.11993,
    "h": 258.3
  },
  "luminance": 0.15497
}

Semantic roles & 50–950 ramp

primary

#406EB3

secondary

#C4AD8A

accent

#A151D7

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406EB3

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

Preview Lab → · Contrast checker → · Palette generator →