#3379B5#3379B5

#3379B5 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 56.0% C 0.117 H 247.6°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3379B5
RGB	rgb(51, 121, 181)
HSL	hsl(208, 56%, 45%)
HSV	hsv(208, 72%, 71%)
CMYK	cmyk(71.8%, 33.1%, 0%, 29%)
CIE-LAB	lab(49.15, -1.65, -38.03)
CIE-LCH	lch(49.15, 38.06, 267.51°)
OKLab	oklab(56.01% -0.0444 -0.1078)
OKLCH	oklch(56.01% 0.117 247.6)
XYZ	xyz(16.5399, 17.7129, 46.2543)
Luminance	0.1772 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3379B5 #B56F33

analogous

#33B5B0 #3379B5 #3338B5

triadic

#3379B5 #B53379 #79B533

tetradic

#3379B5 #B033B5 #B56F33 #38B533

square

#3379B5 #B033B5 #B56F33 #38B533

split-complementary

#3379B5 #B53338 #B5B033

monochromatic

#183956 #265985 #3379B5 #5697CF #86B5DD

Accessibility & contrast

On white

4.62

#3379B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#3379B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3379B5

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3379B5	#FFFFFF	#000000	##FFFFFF
##3379B5	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7CB8

Deuteranopia (green-blind)

#4C6FB4

Tritanopia (blue-blind)

#00878F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3379b5;
/* rgb */ color: rgb(51, 121, 181);
/* oklch */ color: oklch(56.0% 0.117 247.6);

Tailwind

colors: {
  custom: {
    50: '#7b9fcb',
    500: '#3379b5',
    950: '#000000',
  },
}

SCSS

$custom: #3379b5;
$custom-light: #7b9fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3379b5",
  "rgb": {
    "r": 51,
    "g": 121,
    "b": 181
  },
  "hsl": {
    "h": 207.692,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.56007,
    "c": 0.11661,
    "h": 247.6
  },
  "luminance": 0.17715
}

Semantic roles & 50–950 ramp

primary

#3379B5

secondary

#C69F7D

accent

#8E48DF

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3379B5

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

Preview Lab → · Contrast checker → · Palette generator →