#3F80AF#3F80AF

#3F80AF is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.8% C 0.098 H 242.5°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F80AF
RGB	rgb(63, 128, 175)
HSL	hsl(205, 47%, 47%)
HSV	hsv(205, 64%, 69%)
CMYK	cmyk(64%, 26.9%, 0%, 31.4%)
CIE-LAB	lab(51.37, -5.91, -31.04)
CIE-LCH	lch(51.37, 31.60, 259.22°)
OKLab	oklab(57.78% -0.0454 -0.0873)
OKLCH	oklch(57.78% 0.098 242.5)
XYZ	xyz(17.5040, 19.5885, 43.4076)
Luminance	0.1959 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F80AF #AF6E3F

analogous

#3FAFA6 #3F80AF #3F48AF

triadic

#3F80AF #AF3F80 #80AF3F

tetradic

#3F80AF #A63FAF #AF6E3F #48AF3F

square

#3F80AF #A63FAF #AF6E3F #48AF3F

split-complementary

#3F80AF #AF3F48 #AFA63F

monochromatic

#1F3E55 #2F5F82 #3F80AF #649EC7 #91BAD7

Accessibility & contrast

On white

4.27

#3F80AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#3F80AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F80AF

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F80AF	#FFFFFF	#000000	##000000
##3F80AF	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B81B1

Deuteranopia (green-blind)

#5C75AE

Tritanopia (blue-blind)

#008C90

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3f80af;
/* rgb */ color: rgb(63, 128, 175);
/* oklch */ color: oklch(57.8% 0.098 242.5);

Tailwind

colors: {
  custom: {
    50: '#7fa4c7',
    500: '#3f80af',
    950: '#000000',
  },
}

SCSS

$custom: #3f80af;
$custom-light: #7fa4c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f80af",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 175
  },
  "hsl": {
    "h": 205.179,
    "s": 47.059,
    "l": 46.667
  },
  "oklch": {
    "l": 0.57783,
    "c": 0.09845,
    "h": 242.5
  },
  "luminance": 0.1959
}

Semantic roles & 50–950 ramp

primary

#3F80AF

secondary

#C3A087

accent

#8951D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3F80AF

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

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