#3F83AC#3F83AC

#3F83AC is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.3% C 0.093 H 237.8°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#3F83AC
RGB	rgb(63, 131, 172)
HSL	hsl(203, 46%, 46%)
HSV	hsv(203, 63%, 67%)
CMYK	cmyk(63.4%, 23.8%, 0%, 32.5%)
CIE-LAB	lab(52.14, -8.65, -28.12)
CIE-LCH	lch(52.14, 29.42, 252.90°)
OKLab	oklab(58.35% -0.0497 -0.0789)
OKLCH	oklch(58.35% 0.093 237.8)
XYZ	xyz(17.6098, 20.2662, 42.0054)
Luminance	0.2027 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F83AC #AC683F

analogous

#3FAC9E #3F83AC #3F4CAC

triadic

#3F83AC #AC3F83 #83AC3F

tetradic

#3F83AC #9E3FAC #AC683F #4CAC3F

square

#3F83AC #9E3FAC #AC683F #4CAC3F

split-complementary

#3F83AC #AC3F4C #AC9E3F

monochromatic

#1E3F52 #2F617F #3F83AC #63A0C6 #8FBBD6

Accessibility & contrast

On white

4.16

#3F83AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#3F83AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F83AC

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F83AC	#FFFFFF	#000000	##000000
##3F83AC	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7082AE

Deuteranopia (green-blind)

#6177AB

Tritanopia (blue-blind)

#008D91

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3f83ac;
/* rgb */ color: rgb(63, 131, 172);
/* oklch */ color: oklch(58.3% 0.093 237.8);

Tailwind

colors: {
  custom: {
    50: '#7fa7c5',
    500: '#3f83ac',
    950: '#000000',
  },
}

SCSS

$custom: #3f83ac;
$custom-light: #7fa7c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f83ac",
  "rgb": {
    "r": 63,
    "g": 131,
    "b": 172
  },
  "hsl": {
    "h": 202.569,
    "s": 46.383,
    "l": 46.078
  },
  "oklch": {
    "l": 0.58348,
    "c": 0.09324,
    "h": 237.8
  },
  "luminance": 0.20268
}

Semantic roles & 50–950 ramp

primary

#3F83AC

secondary

#C19C86

accent

#8452D6

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #3F83AC

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

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