#3B79CB#3B79CB

#3B79CB is a mid, vivid cyan. Relative luminance 0.189; OKLCH L 57.6% C 0.142 H 256.4°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3B79CB
RGB	rgb(59, 121, 203)
HSL	hsl(214, 58%, 51%)
HSV	hsv(214, 71%, 80%)
CMYK	cmyk(70.9%, 40.4%, 0%, 20.4%)
CIE-LAB	lab(50.59, 7.46, -48.35)
CIE-LCH	lch(50.59, 48.93, 278.77°)
OKLab	oklab(57.59% -0.0335 -0.138)
OKLCH	oklch(57.59% 0.142 256.4)
XYZ	xyz(19.4166, 18.9143, 59.1159)
Luminance	0.1892 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B79CB #CB8D3B

analogous

#3BC1CB #3B79CB #453BCB

triadic

#3B79CB #CB3B79 #79CB3B

tetradic

#3B79CB #CB3BC1 #CB8D3B #3BCB45

square

#3B79CB #CB3BC1 #CB8D3B #3BCB45

split-complementary

#3B79CB #CB453B #C1CB3B

monochromatic

#1D406E #2A5C9F #3B79CB #6B9AD8 #9CBBE5

Accessibility & contrast

On white

4.39

#3B79CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#3B79CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B79CB

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B79CB	#FFFFFF	#000000	##000000
##3B79CB	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5380CE

Deuteranopia (green-blind)

#3C72C9

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3b79cb;
/* rgb */ color: rgb(59, 121, 203);
/* oklch */ color: oklch(57.6% 0.142 256.4);

Tailwind

colors: {
  custom: {
    50: '#829fdb',
    500: '#3b79cb',
    950: '#000000',
  },
}

SCSS

$custom: #3b79cb;
$custom-light: #829fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b79cb",
  "rgb": {
    "r": 59,
    "g": 121,
    "b": 203
  },
  "hsl": {
    "h": 214.167,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.5759,
    "c": 0.14197,
    "h": 256.4
  },
  "luminance": 0.18916
}

Semantic roles & 50–950 ramp

primary

#3B79CB

secondary

#D1B591

accent

#9F47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B79CB

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

Preview Lab → · Contrast checker → · Palette generator →