#3F84BA#3F84BA

#3F84BA is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.3% C 0.108 H 244.8°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F84BA
RGB	rgb(63, 132, 186)
HSL	hsl(206, 49%, 49%)
HSV	hsv(206, 66%, 73%)
CMYK	cmyk(66.1%, 29%, 0%, 27.1%)
CIE-LAB	lab(53.06, -4.50, -34.72)
CIE-LCH	lch(53.06, 35.01, 262.61°)
OKLab	oklab(59.29% -0.0461 -0.098)
OKLCH	oklch(59.29% 0.108 244.8)
XYZ	xyz(19.1607, 21.1025, 49.5083)
Luminance	0.2110 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F84BA #BA753F

analogous

#3FBAB3 #3F84BA #3F47BA

triadic

#3F84BA #BA3F84 #84BA3F

tetradic

#3F84BA #B33FBA #BA753F #47BA3F

square

#3F84BA #B33FBA #BA753F #47BA3F

split-complementary

#3F84BA #BA3F47 #BAB33F

monochromatic

#20435F #30648C #3F84BA #6AA1CC #97BEDC

Accessibility & contrast

On white

4.02

#3F84BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#3F84BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84BA

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F84BA	#FFFFFF	#000000	##000000
##3F84BA	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C85BC

Deuteranopia (green-blind)

#5B79B9

Tritanopia (blue-blind)

#009197

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f84ba;
/* rgb */ color: rgb(63, 132, 186);
/* oklch */ color: oklch(59.3% 0.108 244.8);

Tailwind

colors: {
  custom: {
    50: '#81a7cf',
    500: '#3f84ba',
    950: '#000000',
  },
}

SCSS

$custom: #3f84ba;
$custom-light: #81a7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f84ba",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 186
  },
  "hsl": {
    "h": 206.341,
    "s": 49.398,
    "l": 48.824
  },
  "oklch": {
    "l": 0.59286,
    "c": 0.10829,
    "h": 244.8
  },
  "luminance": 0.21104
}

Semantic roles & 50–950 ramp

primary

#3F84BA

secondary

#C8A78D

accent

#8B4FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3F84BA

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

Preview Lab → · Contrast checker → · Palette generator →