#3379B4#3379B4

#3379B4 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 56.0% C 0.115 H 247.2°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3379B4
RGB	rgb(51, 121, 180)
HSL	hsl(207, 56%, 45%)
HSV	hsv(207, 72%, 71%)
CMYK	cmyk(71.7%, 32.8%, 0%, 29.4%)
CIE-LAB	lab(49.10, -2.01, -37.53)
CIE-LCH	lch(49.10, 37.58, 266.93°)
OKLab	oklab(55.95% -0.0447 -0.1064)
OKLCH	oklch(55.95% 0.115 247.2)
XYZ	xyz(16.4377, 17.6720, 45.7159)
Luminance	0.1767 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3379B4 #B46E33

analogous

#33B4AE #3379B4 #3338B4

triadic

#3379B4 #B43379 #79B433

tetradic

#3379B4 #AE33B4 #B46E33 #38B433

square

#3379B4 #AE33B4 #B46E33 #38B433

split-complementary

#3379B4 #B43338 #B4AE33

monochromatic

#183955 #255984 #3379B4 #5597CF #85B4DC

Accessibility & contrast

On white

4.63

#3379B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#3379B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3379B4

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3379B4	#FFFFFF	#000000	##FFFFFF
##3379B4	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7BB7

Deuteranopia (green-blind)

#4C6FB3

Tritanopia (blue-blind)

#00878E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3379b4;
/* rgb */ color: rgb(51, 121, 180);
/* oklch */ color: oklch(56.0% 0.115 247.2);

Tailwind

colors: {
  custom: {
    50: '#7b9fcb',
    500: '#3379b4',
    950: '#000000',
  },
}

SCSS

$custom: #3379b4;
$custom-light: #7b9fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3379b4",
  "rgb": {
    "r": 51,
    "g": 121,
    "b": 180
  },
  "hsl": {
    "h": 207.442,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.55951,
    "c": 0.11537,
    "h": 247.2
  },
  "luminance": 0.17674
}

Semantic roles & 50–950 ramp

primary

#3379B4

secondary

#C69E7D

accent

#8D49DF

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3379B4

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

Preview Lab → · Contrast checker → · Palette generator →