#3F84BE#3F84BE

#3F84BE is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.5% C 0.113 H 246.6°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#3F84BE
RGB	rgb(63, 132, 190)
HSL	hsl(207, 50%, 50%)
HSV	hsv(207, 67%, 75%)
CMYK	cmyk(66.8%, 30.5%, 0%, 25.5%)
CIE-LAB	lab(53.25, -3.13, -36.71)
CIE-LCH	lch(53.25, 36.85, 265.13°)
OKLab	oklab(59.5% -0.0449 -0.1037)
OKLCH	oklch(59.5% 0.113 246.6)
XYZ	xyz(19.5919, 21.2750, 51.7792)
Luminance	0.2128 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F84BE #BE793F

analogous

#3FBEB9 #3F84BE #3F44BE

triadic

#3F84BE #BE3F84 #84BE3F

tetradic

#3F84BE #B93FBE #BE793F #44BE3F

square

#3F84BE #B93FBE #BE793F #44BE3F

split-complementary

#3F84BE #BE3F44 #BEB93F

monochromatic

#214462 #306490 #3F84BE #6CA1CE #9ABFDD

Accessibility & contrast

On white

4.00

#3F84BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#3F84BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84BE

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F84BE	#FFFFFF	#000000	##000000
##3F84BE	1.00	4.00	5.26	5.26
#FFFFFF	4.00	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)

#6A86C1

Deuteranopia (green-blind)

#597ABD

Tritanopia (blue-blind)

#009298

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f84be;
/* rgb */ color: rgb(63, 132, 190);
/* oklch */ color: oklch(59.5% 0.113 246.6);

Tailwind

colors: {
  custom: {
    50: '#81a7d2',
    500: '#3f84be',
    950: '#000000',
  },
}

SCSS

$custom: #3f84be;
$custom-light: #81a7d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f84be",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 190
  },
  "hsl": {
    "h": 207.402,
    "s": 50.198,
    "l": 49.608
  },
  "oklch": {
    "l": 0.59495,
    "c": 0.11306,
    "h": 246.6
  },
  "luminance": 0.21277
}

Semantic roles & 50–950 ramp

primary

#3F84BE

secondary

#C9AA8F

accent

#8E4EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3F84BE

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

Preview Lab → · Contrast checker → · Palette generator →