#3B80CB#3B80CB

#3B80CB is a mid, vivid cyan. Relative luminance 0.207; OKLCH L 59.2% C 0.135 H 252.7°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#3B80CB
RGB	rgb(59, 128, 203)
HSL	hsl(211, 58%, 51%)
HSV	hsv(211, 71%, 80%)
CMYK	cmyk(70.9%, 36.9%, 0%, 20.4%)
CIE-LAB	lab(52.59, 3.20, -45.16)
CIE-LCH	lch(52.59, 45.27, 274.05°)
OKLab	oklab(59.16% -0.04 -0.1285)
OKLCH	oklch(59.16% 0.135 252.7)
XYZ	xyz(20.2983, 20.6777, 59.4098)
Luminance	0.2068 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B80CB #CB863B

analogous

#3BC8CB #3B80CB #3E3BCB

triadic

#3B80CB #CB3B80 #80CB3B

tetradic

#3B80CB #CB3BC8 #CB863B #3BCB3E

square

#3B80CB #CB3BC8 #CB863B #3BCB3E

split-complementary

#3B80CB #CB3E3B #C8CB3B

monochromatic

#1D446E #2A629F #3B80CB #6B9FD8 #9CBFE5

Accessibility & contrast

On white

4.09

#3B80CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#3B80CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B80CB

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B80CB	#FFFFFF	#000000	##000000
##3B80CB	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E85CE

Deuteranopia (green-blind)

#4877CA

Tritanopia (blue-blind)

#00929C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3b80cb;
/* rgb */ color: rgb(59, 128, 203);
/* oklch */ color: oklch(59.2% 0.135 252.7);

Tailwind

colors: {
  custom: {
    50: '#82a4db',
    500: '#3b80cb',
    950: '#000000',
  },
}

SCSS

$custom: #3b80cb;
$custom-light: #82a4db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b80cb",
  "rgb": {
    "r": 59,
    "g": 128,
    "b": 203
  },
  "hsl": {
    "h": 211.25,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.59156,
    "c": 0.13461,
    "h": 252.7
  },
  "luminance": 0.2068
}

Semantic roles & 50–950 ramp

primary

#3B80CB

secondary

#D1B291

accent

#9747E1

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3B80CB

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

Preview Lab → · Contrast checker → · Palette generator →