#3F6983#3F6983

#3F6983 is a mid, moderate cyan. Relative luminance 0.128; OKLCH L 50.1% C 0.063 H 237.0°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#3F6983
RGB	rgb(63, 105, 131)
HSL	hsl(203, 35%, 38%)
HSV	hsv(203, 52%, 51%)
CMYK	cmyk(51.9%, 19.8%, 0%, 48.6%)
CIE-LAB	lab(42.46, -6.86, -18.92)
CIE-LCH	lch(42.46, 20.13, 250.06°)
OKLab	oklab(50.1% -0.0341 -0.0526)
OKLCH	oklch(50.1% 0.063 237)
XYZ	xyz(11.1967, 12.7977, 23.3485)
Luminance	0.1280 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6983 #83593F

analogous

#3F837B #3F6983 #3F4783

triadic

#3F6983 #833F69 #69833F

tetradic

#3F6983 #7B3F83 #83593F #47833F

square

#3F6983 #7B3F83 #83593F #47833F

split-complementary

#3F6983 #833F47 #837B3F

monochromatic

#172730 #2B485A #3F6983 #538AAC #7CA6C0

Accessibility & contrast

On white

5.90

#3F6983 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#3F6983 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6983

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6983	#FFFFFF	#000000	##FFFFFF
##3F6983	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D6884

Deuteranopia (green-blind)

#546183

Tritanopia (blue-blind)

#1B7072

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3f6983;
/* rgb */ color: rgb(63, 105, 131);
/* oklch */ color: oklch(50.1% 0.063 237.0);

Tailwind

colors: {
  custom: {
    50: '#7993a7',
    500: '#3f6983',
    950: '#000000',
  },
}

SCSS

$custom: #3f6983;
$custom-light: #7993a7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6983",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 131
  },
  "hsl": {
    "h": 202.941,
    "s": 35.052,
    "l": 38.039
  },
  "oklch": {
    "l": 0.501,
    "c": 0.06272,
    "h": 237
  },
  "luminance": 0.12799
}

Semantic roles & 50–950 ramp

primary

#3F6983

secondary

#AA8873

accent

#875DCB

background

#F7F9FA

surface

#EEF1F4

border

#C9CBCE

text

#090D0F

muted

#7B7E7F

Preview Lab

Preview with #3F6983

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

Preview Lab → · Contrast checker → · Palette generator →