#3F7AAA#3F7AAA

#3F7AAA is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.1% C 0.097 H 245.3°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3F7AAA
RGB	rgb(63, 122, 170)
HSL	hsl(207, 46%, 46%)
HSV	hsv(207, 63%, 67%)
CMYK	cmyk(62.9%, 28.2%, 0%, 33.3%)
CIE-LAB	lab(49.35, -4.09, -31.31)
CIE-LCH	lch(49.35, 31.57, 262.56°)
OKLab	oklab(56.11% -0.0405 -0.0882)
OKLCH	oklch(56.11% 0.097 245.3)
XYZ	xyz(16.2624, 17.8765, 40.6159)
Luminance	0.1788 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7AAA #AA6F3F

analogous

#3FAAA4 #3F7AAA #3F44AA

triadic

#3F7AAA #AA3F7A #7AAA3F

tetradic

#3F7AAA #A43FAA #AA6F3F #44AA3F

square

#3F7AAA #A43FAA #AA6F3F #44AA3F

split-complementary

#3F7AAA #AA3F44 #AAA43F

monochromatic

#1E3A51 #2E5A7D #3F7AAA #6298C5 #8EB5D5

Accessibility & contrast

On white

4.59

#3F7AAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3F7AAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7AAA

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7AAA	#FFFFFF	#000000	##FFFFFF
##3F7AAA	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#657BAC

Deuteranopia (green-blind)

#5671A9

Tritanopia (blue-blind)

#00868B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3f7aaa;
/* rgb */ color: rgb(63, 122, 170);
/* oklch */ color: oklch(56.1% 0.097 245.3);

Tailwind

colors: {
  custom: {
    50: '#7ea0c3',
    500: '#3f7aaa',
    950: '#000000',
  },
}

SCSS

$custom: #3f7aaa;
$custom-light: #7ea0c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7aaa",
  "rgb": {
    "r": 63,
    "g": 122,
    "b": 170
  },
  "hsl": {
    "h": 206.916,
    "s": 45.923,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56111,
    "c": 0.09702,
    "h": 245.3
  },
  "luminance": 0.17878
}

Semantic roles & 50–950 ramp

primary

#3F7AAA

secondary

#C09F85

accent

#8D52D6

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #3F7AAA

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

Preview Lab → · Contrast checker → · Palette generator →