#3379B3#3379B3

#3379B3 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.9% C 0.114 H 246.8°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3379B3
RGB	rgb(51, 121, 179)
HSL	hsl(207, 56%, 45%)
HSV	hsv(207, 72%, 70%)
CMYK	cmyk(71.5%, 32.4%, 0%, 29.8%)
CIE-LAB	lab(49.05, -2.37, -37.03)
CIE-LCH	lch(49.05, 37.10, 266.33°)
OKLab	oklab(55.9% -0.045 -0.1049)
OKLCH	oklch(55.9% 0.114 246.8)
XYZ	xyz(16.3362, 17.6314, 45.1813)
Luminance	0.1763 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3379B3 #B36D33

analogous

#33B3AD #3379B3 #3339B3

triadic

#3379B3 #B33379 #79B333

tetradic

#3379B3 #AD33B3 #B36D33 #39B333

square

#3379B3 #AD33B3 #B36D33 #39B333

split-complementary

#3379B3 #B33339 #B3AD33

monochromatic

#183954 #255983 #3379B3 #5597CE #84B4DC

Accessibility & contrast

On white

4.64

#3379B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#3379B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3379B3

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3379B3	#FFFFFF	#000000	##FFFFFF
##3379B3	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7BB5

Deuteranopia (green-blind)

#4D6FB2

Tritanopia (blue-blind)

#00878E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3379b3;
/* rgb */ color: rgb(51, 121, 179);
/* oklch */ color: oklch(55.9% 0.114 246.8);

Tailwind

colors: {
  custom: {
    50: '#7a9fca',
    500: '#3379b3',
    950: '#000000',
  },
}

SCSS

$custom: #3379b3;
$custom-light: #7a9fca;
$custom-dark: #000000;

JSON

{
  "hex": "#3379b3",
  "rgb": {
    "r": 51,
    "g": 121,
    "b": 179
  },
  "hsl": {
    "h": 207.188,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.55895,
    "c": 0.11416,
    "h": 246.8
  },
  "luminance": 0.17633
}

Semantic roles & 50–950 ramp

primary

#3379B3

secondary

#C69D7C

accent

#8D49DF

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3379B3

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

Preview Lab → · Contrast checker → · Palette generator →