#3F80BE#3F80BE

#3F80BE is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.6% C 0.117 H 249.5°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#3F80BE
RGB	rgb(63, 128, 190)
HSL	hsl(209, 50%, 50%)
HSV	hsv(209, 67%, 75%)
CMYK	cmyk(66.8%, 32.6%, 0%, 25.5%)
CIE-LAB	lab(52.07, -0.77, -38.56)
CIE-LCH	lch(52.07, 38.57, 268.86°)
OKLab	oklab(58.57% -0.0408 -0.1092)
OKLCH	oklch(58.57% 0.117 249.5)
XYZ	xyz(19.0599, 20.2109, 51.6018)
Luminance	0.2021 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F80BE #BE7D3F

analogous

#3FBEBD #3F80BE #3F41BE

triadic

#3F80BE #BE3F80 #80BE3F

tetradic

#3F80BE #BD3FBE #BE7D3F #41BE3F

square

#3F80BE #BD3FBE #BE7D3F #41BE3F

split-complementary

#3F80BE #BE3F41 #BEBD3F

monochromatic

#214262 #306190 #3F80BE #6C9ECE #9ABCDD

Accessibility & contrast

On white

4.16

#3F80BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#3F80BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F80BE

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F80BE	#FFFFFF	#000000	##000000
##3F80BE	1.00	4.16	5.04	5.04
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6583C1

Deuteranopia (green-blind)

#5377BD

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3f80be;
/* rgb */ color: rgb(63, 128, 190);
/* oklch */ color: oklch(58.6% 0.117 249.5);

Tailwind

colors: {
  custom: {
    50: '#81a4d2',
    500: '#3f80be',
    950: '#000000',
  },
}

SCSS

$custom: #3f80be;
$custom-light: #81a4d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f80be",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 190
  },
  "hsl": {
    "h": 209.291,
    "s": 50.198,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58571,
    "c": 0.11655,
    "h": 249.5
  },
  "luminance": 0.20213
}

Semantic roles & 50–950 ramp

primary

#3F80BE

secondary

#C9AC8F

accent

#924EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3F80BE

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

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