#3F7AA4#3F7AA4

#3F7AA4 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.8% C 0.090 H 241.8°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3F7AA4
RGB	rgb(63, 122, 164)
HSL	hsl(205, 44%, 45%)
HSV	hsv(205, 62%, 64%)
CMYK	cmyk(61.6%, 25.6%, 0%, 35.7%)
CIE-LAB	lab(49.07, -6.11, -28.24)
CIE-LCH	lch(49.07, 28.89, 257.79°)
OKLab	oklab(55.81% -0.0425 -0.0793)
OKLCH	oklch(55.81% 0.09 241.8)
XYZ	xyz(15.7078, 17.6547, 37.6947)
Luminance	0.1766 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7AA4 #A4693F

analogous

#3FA49B #3F7AA4 #3F48A4

triadic

#3F7AA4 #A43F7A #7AA43F

tetradic

#3F7AA4 #9B3FA4 #A4693F #48A43F

square

#3F7AA4 #9B3FA4 #A4693F #48A43F

split-complementary

#3F7AA4 #A43F48 #A49B3F

monochromatic

#1D384C #2E5978 #3F7AA4 #5F98C1 #8BB5D2

Accessibility & contrast

On white

4.63

#3F7AA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#3F7AA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7AA4

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7AA4	#FFFFFF	#000000	##FFFFFF
##3F7AA4	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#677AA6

Deuteranopia (green-blind)

#5A70A3

Tritanopia (blue-blind)

#008488

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3f7aa4;
/* rgb */ color: rgb(63, 122, 164);
/* oklch */ color: oklch(55.8% 0.090 241.8);

Tailwind

colors: {
  custom: {
    50: '#7da0bf',
    500: '#3f7aa4',
    950: '#000000',
  },
}

SCSS

$custom: #3f7aa4;
$custom-light: #7da0bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7aa4",
  "rgb": {
    "r": 63,
    "g": 122,
    "b": 164
  },
  "hsl": {
    "h": 204.95,
    "s": 44.493,
    "l": 44.51
  },
  "oklch": {
    "l": 0.55807,
    "c": 0.08995,
    "h": 241.8
  },
  "luminance": 0.17656
}

Semantic roles & 50–950 ramp

primary

#3F7AA4

secondary

#BD9A82

accent

#8954D4

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3F7AA4

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

Preview Lab → · Contrast checker → · Palette generator →