#3369B9#3369B9

#3369B9 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.6% C 0.139 H 258.3°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#3369B9
RGB	rgb(51, 105, 185)
HSL	hsl(216, 57%, 46%)
HSV	hsv(216, 72%, 73%)
CMYK	cmyk(72.4%, 43.2%, 0%, 27.5%)
CIE-LAB	lab(44.67, 9.71, -47.45)
CIE-LCH	lch(44.67, 48.43, 281.56°)
OKLab	oklab(52.59% -0.0282 -0.1357)
OKLCH	oklch(52.59% 0.139 258.3)
XYZ	xyz(15.1706, 14.3081, 47.8517)
Luminance	0.1431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3369B9 #B98333

analogous

#33ACB9 #3369B9 #4033B9

triadic

#3369B9 #B93369 #69B933

tetradic

#3369B9 #B933AC #B98333 #33B940

square

#3369B9 #B933AC #B98333 #33B940

split-complementary

#3369B9 #B94033 #ACB933

monochromatic

#193359 #264E89 #3369B9 #5889D1 #88ABDE

Accessibility & contrast

On white

5.44

#3369B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#3369B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3369B9

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3369B9	#FFFFFF	#000000	##FFFFFF
##3369B9	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4270BC

Deuteranopia (green-blind)

#2A64B7

Tritanopia (blue-blind)

#007C88

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3369b9;
/* rgb */ color: rgb(51, 105, 185);
/* oklch */ color: oklch(52.6% 0.139 258.3);

Tailwind

colors: {
  custom: {
    50: '#7c93ce',
    500: '#3369b9',
    950: '#000000',
  },
}

SCSS

$custom: #3369b9;
$custom-light: #7c93ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3369b9",
  "rgb": {
    "r": 51,
    "g": 105,
    "b": 185
  },
  "hsl": {
    "h": 215.821,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52585,
    "c": 0.13859,
    "h": 258.3
  },
  "luminance": 0.1431
}

Semantic roles & 50–950 ramp

primary

#3369B9

secondary

#C8AB80

accent

#A348E0

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3369B9

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

Preview Lab → · Contrast checker → · Palette generator →