#3379CB#3379CB

#3379CB is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.3% C 0.145 H 254.5°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3379CB
RGB	rgb(51, 121, 203)
HSL	hsl(212, 60%, 50%)
HSV	hsv(212, 75%, 80%)
CMYK	cmyk(74.9%, 40.4%, 0%, 20.4%)
CIE-LAB	lab(50.32, 6.38, -48.79)
CIE-LCH	lch(50.32, 49.21, 277.45°)
OKLab	oklab(57.31% -0.0387 -0.1394)
OKLCH	oklch(57.31% 0.145 254.5)
XYZ	xyz(18.9781, 18.6882, 59.0953)
Luminance	0.1869 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3379CB #CB8533

analogous

#33C5CB #3379CB #3933CB

triadic

#3379CB #CB3379 #79CB33

tetradic

#3379CB #CB33C5 #CB8533 #33CB39

square

#3379CB #CB33C5 #CB8533 #33CB39

split-complementary

#3379CB #CB3933 #C5CB33

monochromatic

#1A3F69 #275C9A #3379CB #6399D8 #94B9E4

Accessibility & contrast

On white

4.43

#3379CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#3379CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3379CB

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3379CB	#FFFFFF	#000000	##000000
##3379CB	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#527FCE

Deuteranopia (green-blind)

#3971C9

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3379cb;
/* rgb */ color: rgb(51, 121, 203);
/* oklch */ color: oklch(57.3% 0.145 254.5);

Tailwind

colors: {
  custom: {
    50: '#7f9fdb',
    500: '#3379cb',
    950: '#000000',
  },
}

SCSS

$custom: #3379cb;
$custom-light: #7f9fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3379cb",
  "rgb": {
    "r": 51,
    "g": 121,
    "b": 203
  },
  "hsl": {
    "h": 212.368,
    "s": 59.843,
    "l": 49.804
  },
  "oklch": {
    "l": 0.57309,
    "c": 0.14465,
    "h": 254.5
  },
  "luminance": 0.1869
}

Semantic roles & 50–950 ramp

primary

#3379CB

secondary

#CFB08B

accent

#9A45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #3379CB

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

Preview Lab → · Contrast checker → · Palette generator →