#3F84BF#3F84BF

#3F84BF is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.5% C 0.114 H 247.0°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#3F84BF
RGB	rgb(63, 132, 191)
HSL	hsl(208, 50%, 50%)
HSV	hsv(208, 67%, 75%)
CMYK	cmyk(67%, 30.9%, 0%, 25.1%)
CIE-LAB	lab(53.30, -2.78, -37.21)
CIE-LCH	lch(53.30, 37.31, 265.72°)
OKLab	oklab(59.55% -0.0446 -0.1052)
OKLCH	oklch(59.55% 0.114 247)
XYZ	xyz(19.7016, 21.3188, 52.3568)
Luminance	0.2132 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F84BF #BF7A3F

analogous

#3FBFBA #3F84BF #3F44BF

triadic

#3F84BF #BF3F84 #84BF3F

tetradic

#3F84BF #BA3FBF #BF7A3F #44BF3F

square

#3F84BF #BA3FBF #BF7A3F #44BF3F

split-complementary

#3F84BF #BF3F44 #BFBA3F

monochromatic

#214463 #306491 #3F84BF #6DA1CF #9BBFDE

Accessibility & contrast

On white

3.99

#3F84BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#3F84BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84BF

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F84BF	#FFFFFF	#000000	##000000
##3F84BF	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A86C2

Deuteranopia (green-blind)

#587ABE

Tritanopia (blue-blind)

#009299

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f84bf;
/* rgb */ color: rgb(63, 132, 191);
/* oklch */ color: oklch(59.5% 0.114 247.0);

Tailwind

colors: {
  custom: {
    50: '#82a7d2',
    500: '#3f84bf',
    950: '#000000',
  },
}

SCSS

$custom: #3f84bf;
$custom-light: #82a7d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f84bf",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 191
  },
  "hsl": {
    "h": 207.656,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.59548,
    "c": 0.11427,
    "h": 247
  },
  "luminance": 0.21321
}

Semantic roles & 50–950 ramp

primary

#3F84BF

secondary

#CAAB90

accent

#8E4EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3F84BF

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

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