#3F80CD#3F80CD

#3F80CD is a mid, vivid cyan. Relative luminance 0.209; OKLCH L 59.4% C 0.136 H 254.2°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#3F80CD
RGB	rgb(63, 128, 205)
HSL	hsl(213, 59%, 53%)
HSV	hsv(213, 69%, 80%)
CMYK	cmyk(69.3%, 37.6%, 0%, 19.6%)
CIE-LAB	lab(52.84, 4.51, -45.90)
CIE-LCH	lch(52.84, 46.12, 275.61°)
OKLab	oklab(59.42% -0.0368 -0.1306)
OKLCH	oklch(59.42% 0.136 254.2)
XYZ	xyz(20.7845, 20.9007, 60.6846)
Luminance	0.2090 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F80CD #CD8C3F

analogous

#3FC7CD #3F80CD #453FCD

triadic

#3F80CD #CD3F80 #80CD3F

tetradic

#3F80CD #CD3FC7 #CD8C3F #3FCD45

square

#3F80CD #CD3FC7 #CD8C3F #3FCD45

split-complementary

#3F80CD #CD453F #C7CD3F

monochromatic

#1E4574 #2B62A4 #3F80CD #70A0DA #A0C0E6

Accessibility & contrast

On white

4.05

#3F80CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#3F80CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F80CD

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F80CD	#FFFFFF	#000000	##000000
##3F80CD	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D85D0

Deuteranopia (green-blind)

#4878CB

Tritanopia (blue-blind)

#00929D

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3f80cd;
/* rgb */ color: rgb(63, 128, 205);
/* oklch */ color: oklch(59.4% 0.136 254.2);

Tailwind

colors: {
  custom: {
    50: '#84a4dc',
    500: '#3f80cd',
    950: '#000000',
  },
}

SCSS

$custom: #3f80cd;
$custom-light: #84a4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f80cd",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 205
  },
  "hsl": {
    "h": 212.535,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.59421,
    "c": 0.13571,
    "h": 254.2
  },
  "luminance": 0.20903
}

Semantic roles & 50–950 ramp

primary

#3F80CD

secondary

#D3B795

accent

#9A46E2

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F80CD

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

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