#3369B8#3369B8

#3369B8 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.5% C 0.137 H 258.1°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3369B8
RGB	rgb(51, 105, 184)
HSL	hsl(216, 57%, 46%)
HSV	hsv(216, 72%, 72%)
CMYK	cmyk(72.3%, 42.9%, 0%, 27.8%)
CIE-LAB	lab(44.61, 9.33, -46.97)
CIE-LCH	lch(44.61, 47.88, 281.24°)
OKLab	oklab(52.52% -0.0284 -0.1343)
OKLCH	oklch(52.52% 0.137 258.1)
XYZ	xyz(15.0654, 14.2660, 47.2977)
Luminance	0.1427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3369B8 #B88233

analogous

#33ABB8 #3369B8 #3F33B8

triadic

#3369B8 #B83369 #69B833

tetradic

#3369B8 #B833AB #B88233 #33B83F

square

#3369B8 #B833AB #B88233 #33B83F

split-complementary

#3369B8 #B83F33 #ABB833

monochromatic

#183258 #264E88 #3369B8 #5889D1 #88ABDE

Accessibility & contrast

On white

5.45

#3369B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#3369B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3369B8

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3369B8	#FFFFFF	#000000	##FFFFFF
##3369B8	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4370BB

Deuteranopia (green-blind)

#2B64B6

Tritanopia (blue-blind)

#007B87

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3369b8;
/* rgb */ color: rgb(51, 105, 184);
/* oklch */ color: oklch(52.5% 0.137 258.1);

Tailwind

colors: {
  custom: {
    50: '#7b93ce',
    500: '#3369b8',
    950: '#000000',
  },
}

SCSS

$custom: #3369b8;
$custom-light: #7b93ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3369b8",
  "rgb": {
    "r": 51,
    "g": 105,
    "b": 184
  },
  "hsl": {
    "h": 215.639,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5252,
    "c": 0.13723,
    "h": 258.1
  },
  "luminance": 0.14268
}

Semantic roles & 50–950 ramp

primary

#3369B8

secondary

#C8AA7F

accent

#A248E0

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3369B8

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

Preview Lab → · Contrast checker → · Palette generator →