#3667AD#3667AD

#3667AD is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.5% C 0.123 H 257.6°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#3667AD
RGB	rgb(54, 103, 173)
HSL	hsl(215, 52%, 45%)
HSV	hsv(215, 69%, 68%)
CMYK	cmyk(68.8%, 40.5%, 0%, 32.2%)
CIE-LAB	lab(43.51, 7.00, -42.29)
CIE-LCH	lch(43.51, 42.87, 279.40°)
OKLab	oklab(51.49% -0.0266 -0.1205)
OKLCH	oklch(51.49% 0.123 257.6)
XYZ	xyz(13.9117, 13.5005, 41.3998)
Luminance	0.1350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3667AD #AD7C36

analogous

#36A3AD #3667AD #4036AD

triadic

#3667AD #AD3667 #67AD36

tetradic

#3667AD #AD36A3 #AD7C36 #36AD40

square

#3667AD #AD36A3 #AD7C36 #36AD40

split-complementary

#3667AD #AD4036 #A3AD36

monochromatic

#192F50 #274B7E #3667AD #5686CA #85A7D9

Accessibility & contrast

On white

5.68

#3667AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#3667AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3667AD

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3667AD	#FFFFFF	#000000	##FFFFFF
##3667AD	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476DB0

Deuteranopia (green-blind)

#3562AC

Tritanopia (blue-blind)

#007781

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3667ad;
/* rgb */ color: rgb(54, 103, 173);
/* oklch */ color: oklch(51.5% 0.123 257.6);

Tailwind

colors: {
  custom: {
    50: '#7a91c6',
    500: '#3667ad',
    950: '#000000',
  },
}

SCSS

$custom: #3667ad;
$custom-light: #7a91c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3667ad",
  "rgb": {
    "r": 54,
    "g": 103,
    "b": 173
  },
  "hsl": {
    "h": 215.294,
    "s": 52.423,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51488,
    "c": 0.12342,
    "h": 257.6
  },
  "luminance": 0.13502
}

Semantic roles & 50–950 ramp

primary

#3667AD

secondary

#C2A67C

accent

#A14CDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3667AD

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

Preview Lab → · Contrast checker → · Palette generator →