#3669B2#3669B2

#3669B2 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.3% C 0.128 H 257.6°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3669B2
RGB	rgb(54, 105, 178)
HSL	hsl(215, 53%, 45%)
HSV	hsv(215, 70%, 70%)
CMYK	cmyk(69.7%, 41%, 0%, 30.2%)
CIE-LAB	lab(44.38, 7.57, -43.84)
CIE-LCH	lch(44.38, 44.49, 279.80°)
OKLab	oklab(52.26% -0.0274 -0.125)
OKLCH	oklch(52.26% 0.128 257.6)
XYZ	xyz(14.6059, 14.1003, 44.0627)
Luminance	0.1410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3669B2 #B27F36

analogous

#36A7B2 #3669B2 #4136B2

triadic

#3669B2 #B23669 #69B236

tetradic

#3669B2 #B236A7 #B27F36 #36B241

square

#3669B2 #B236A7 #B27F36 #36B241

split-complementary

#3669B2 #B24136 #A7B236

monochromatic

#1A3254 #284D83 #3669B2 #5988CD #88AADB

Accessibility & contrast

On white

5.50

#3669B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#3669B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3669B2

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3669B2	#FFFFFF	#000000	##FFFFFF
##3669B2	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476FB5

Deuteranopia (green-blind)

#3364B1

Tritanopia (blue-blind)

#007A85

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3669b2;
/* rgb */ color: rgb(54, 105, 178);
/* oklch */ color: oklch(52.3% 0.128 257.6);

Tailwind

colors: {
  custom: {
    50: '#7b93c9',
    500: '#3669b2',
    950: '#000000',
  },
}

SCSS

$custom: #3669b2;
$custom-light: #7b93c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3669b2",
  "rgb": {
    "r": 54,
    "g": 105,
    "b": 178
  },
  "hsl": {
    "h": 215.323,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52255,
    "c": 0.12801,
    "h": 257.6
  },
  "luminance": 0.14102
}

Semantic roles & 50–950 ramp

primary

#3669B2

secondary

#C5A87F

accent

#A14BDD

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #3669B2

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

Preview Lab → · Contrast checker → · Palette generator →