#4066A5#4066A5

#4066A5 is a mid, moderate blue. Relative luminance 0.133; OKLCH L 51.2% C 0.109 H 260.0°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#4066A5
RGB	rgb(64, 102, 165)
HSL	hsl(217, 44%, 45%)
HSV	hsv(217, 61%, 65%)
CMYK	cmyk(61.2%, 38.2%, 0%, 35.3%)
CIE-LAB	lab(43.22, 6.60, -38.01)
CIE-LCH	lch(43.22, 38.57, 279.84°)
OKLab	oklab(51.25% -0.019 -0.1078)
OKLCH	oklch(51.25% 0.109 260)
XYZ	xyz(13.6549, 13.3081, 37.4392)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4066A5 #A57F40

analogous

#4098A5 #4066A5 #4D40A5

triadic

#4066A5 #A54066 #66A540

tetradic

#4066A5 #A54098 #A57F40 #40A54D

square

#4066A5 #A54098 #A57F40 #40A54D

split-complementary

#4066A5 #A54D40 #98A540

monochromatic

#1E2F4D #2F4B79 #4066A5 #6185C2 #8DA7D3

Accessibility & contrast

On white

5.73

#4066A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#4066A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4066A5

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4066A5	#FFFFFF	#000000	##FFFFFF
##4066A5	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B6BA8

Deuteranopia (green-blind)

#3D62A4

Tritanopia (blue-blind)

#00747D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4066a5;
/* rgb */ color: rgb(64, 102, 165);
/* oklch */ color: oklch(51.2% 0.109 260.0);

Tailwind

colors: {
  custom: {
    50: '#7e91c0',
    500: '#4066a5',
    950: '#000000',
  },
}

SCSS

$custom: #4066a5;
$custom-light: #7e91c0;
$custom-dark: #000000;

JSON

{
  "hex": "#4066a5",
  "rgb": {
    "r": 64,
    "g": 102,
    "b": 165
  },
  "hsl": {
    "h": 217.426,
    "s": 44.105,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51247,
    "c": 0.10949,
    "h": 260
  },
  "luminance": 0.13309
}

Semantic roles & 50–950 ramp

primary

#4066A5

secondary

#BEA883

accent

#A454D4

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #4066A5

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

Preview Lab → · Contrast checker → · Palette generator →