#3369B1#3369B1

#3369B1 is a mid, vivid cyan. Relative luminance 0.140; OKLCH L 52.1% C 0.128 H 256.5°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3369B1
RGB	rgb(51, 105, 177)
HSL	hsl(214, 55%, 45%)
HSV	hsv(214, 71%, 69%)
CMYK	cmyk(71.2%, 40.7%, 0%, 30.6%)
CIE-LAB	lab(44.20, 6.74, -43.53)
CIE-LCH	lch(44.20, 44.05, 278.80°)
OKLab	oklab(52.07% -0.0299 -0.1242)
OKLCH	oklch(52.07% 0.128 256.5)
XYZ	xyz(14.3497, 13.9797, 43.5286)
Luminance	0.1398 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3369B1 #B17B33

analogous

#33A8B1 #3369B1 #3C33B1

triadic

#3369B1 #B13369 #69B133

tetradic

#3369B1 #B133A8 #B17B33 #33B13C

square

#3369B1 #B133A8 #B17B33 #33B13C

split-complementary

#3369B1 #B13C33 #A8B133

monochromatic

#183152 #254D81 #3369B1 #5488CE #83A9DB

Accessibility & contrast

On white

5.53

#3369B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#3369B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3369B1

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3369B1	#FFFFFF	#000000	##FFFFFF
##3369B1	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476FB4

Deuteranopia (green-blind)

#3363B0

Tritanopia (blue-blind)

#007A84

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3369b1;
/* rgb */ color: rgb(51, 105, 177);
/* oklch */ color: oklch(52.1% 0.128 256.5);

Tailwind

colors: {
  custom: {
    50: '#7a93c9',
    500: '#3369b1',
    950: '#000000',
  },
}

SCSS

$custom: #3369b1;
$custom-light: #7a93c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3369b1",
  "rgb": {
    "r": 51,
    "g": 105,
    "b": 177
  },
  "hsl": {
    "h": 214.286,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52071,
    "c": 0.12773,
    "h": 256.5
  },
  "luminance": 0.13981
}

Semantic roles & 50–950 ramp

primary

#3369B1

secondary

#C5A57B

accent

#9F49DF

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #3369B1

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

Preview Lab → · Contrast checker → · Palette generator →