#3F83AE#3F83AE

#3F83AE is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.4% C 0.095 H 239.1°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#3F83AE
RGB	rgb(63, 131, 174)
HSL	hsl(203, 47%, 46%)
HSV	hsv(203, 64%, 68%)
CMYK	cmyk(63.8%, 24.7%, 0%, 31.8%)
CIE-LAB	lab(52.22, -7.98, -29.14)
CIE-LCH	lch(52.22, 30.21, 254.67°)
OKLab	oklab(58.45% -0.049 -0.0818)
OKLCH	oklch(58.45% 0.095 239.1)
XYZ	xyz(17.8033, 20.3436, 43.0247)
Luminance	0.2034 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F83AE #AE6A3F

analogous

#3FAEA2 #3F83AE #3F4CAE

triadic

#3F83AE #AE3F83 #83AE3F

tetradic

#3F83AE #A23FAE #AE6A3F #4CAE3F

square

#3F83AE #A23FAE #AE6A3F #4CAE3F

split-complementary

#3F83AE #AE3F4C #AEA23F

monochromatic

#1E3F54 #2F6181 #3F83AE #64A0C7 #90BCD7

Accessibility & contrast

On white

4.14

#3F83AE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#3F83AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F83AE

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F83AE	#FFFFFF	#000000	##000000
##3F83AE	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F83B0

Deuteranopia (green-blind)

#6078AD

Tritanopia (blue-blind)

#008E92

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3f83ae;
/* rgb */ color: rgb(63, 131, 174);
/* oklch */ color: oklch(58.4% 0.095 239.1);

Tailwind

colors: {
  custom: {
    50: '#7fa7c6',
    500: '#3f83ae',
    950: '#000000',
  },
}

SCSS

$custom: #3f83ae;
$custom-light: #7fa7c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f83ae",
  "rgb": {
    "r": 63,
    "g": 131,
    "b": 174
  },
  "hsl": {
    "h": 203.243,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.58445,
    "c": 0.09538,
    "h": 239.1
  },
  "luminance": 0.20345
}

Semantic roles & 50–950 ramp

primary

#3F83AE

secondary

#C29E87

accent

#8551D6

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3F83AE

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

Preview Lab → · Contrast checker → · Palette generator →