#3D66A0#3D66A0

#3D66A0 is a mid, moderate blue. Relative luminance 0.130; OKLCH L 50.8% C 0.104 H 257.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#3D66A0
RGB	rgb(61, 102, 160)
HSL	hsl(215, 45%, 43%)
HSV	hsv(215, 62%, 63%)
CMYK	cmyk(61.9%, 36.2%, 0%, 37.3%)
CIE-LAB	lab(42.81, 4.24, -35.71)
CIE-LCH	lch(42.81, 35.96, 276.78°)
OKLab	oklab(50.8% -0.0229 -0.1012)
OKLCH	oklch(50.8% 0.104 257.2)
XYZ	xyz(13.0188, 13.0317, 35.0802)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D66A0 #A0773D

analogous

#3D97A0 #3D66A0 #463DA0

triadic

#3D66A0 #A03D66 #66A03D

tetradic

#3D66A0 #A03D97 #A0773D #3DA046

square

#3D66A0 #A03D97 #A0773D #3DA046

split-complementary

#3D66A0 #A0463D #97A03D

monochromatic

#1B2E47 #2C4A74 #3D66A0 #5A84C0 #86A5D1

Accessibility & contrast

On white

5.82

#3D66A0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#3D66A0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D66A0

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D66A0	#FFFFFF	#000000	##FFFFFF
##3D66A0	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D6AA2

Deuteranopia (green-blind)

#40619F

Tritanopia (blue-blind)

#00737B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3d66a0;
/* rgb */ color: rgb(61, 102, 160);
/* oklch */ color: oklch(50.8% 0.104 257.2);

Tailwind

colors: {
  custom: {
    50: '#7b91bc',
    500: '#3d66a0',
    950: '#000000',
  },
}

SCSS

$custom: #3d66a0;
$custom-light: #7b91bc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d66a0",
  "rgb": {
    "r": 61,
    "g": 102,
    "b": 160
  },
  "hsl": {
    "h": 215.152,
    "s": 44.796,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50799,
    "c": 0.10373,
    "h": 257.2
  },
  "luminance": 0.13033
}

Semantic roles & 50–950 ramp

primary

#3D66A0

secondary

#BBA27D

accent

#9F53D4

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3D66A0

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

Preview Lab → · Contrast checker → · Palette generator →