#3F7BC5#3F7BC5

#3F7BC5 is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.8% C 0.130 H 254.9°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3F7BC5
RGB	rgb(63, 123, 197)
HSL	hsl(213, 54%, 51%)
HSV	hsv(213, 68%, 77%)
CMYK	cmyk(68%, 37.6%, 0%, 22.7%)
CIE-LAB	lab(50.98, 4.70, -44.29)
CIE-LCH	lch(50.98, 44.54, 276.06°)
OKLab	oklab(57.83% -0.0339 -0.126)
OKLCH	oklch(57.83% 0.13 254.9)
XYZ	xyz(19.2072, 19.2519, 55.5162)
Luminance	0.1925 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7BC5 #C5893F

analogous

#3FBEC5 #3F7BC5 #463FC5

triadic

#3F7BC5 #C53F7B #7BC53F

tetradic

#3F7BC5 #C53FBE #C5893F #3FC546

square

#3F7BC5 #C53FBE #C5893F #3FC546

split-complementary

#3F7BC5 #C5463F #BEC53F

monochromatic

#20416A #2E5E99 #3F7BC5 #6E9BD3 #9DBCE1

Accessibility & contrast

On white

4.33

#3F7BC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#3F7BC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7BC5

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7BC5	#FFFFFF	#000000	##000000
##3F7BC5	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A80C8

Deuteranopia (green-blind)

#4674C4

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3f7bc5;
/* rgb */ color: rgb(63, 123, 197);
/* oklch */ color: oklch(57.8% 0.130 254.9);

Tailwind

colors: {
  custom: {
    50: '#82a0d7',
    500: '#3f7bc5',
    950: '#000000',
  },
}

SCSS

$custom: #3f7bc5;
$custom-light: #82a0d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7bc5",
  "rgb": {
    "r": 63,
    "g": 123,
    "b": 197
  },
  "hsl": {
    "h": 213.134,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.57832,
    "c": 0.13047,
    "h": 254.9
  },
  "luminance": 0.19254
}

Semantic roles & 50–950 ramp

primary

#3F7BC5

secondary

#CEB392

accent

#9C4BDD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3F7BC5

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

Preview Lab → · Contrast checker → · Palette generator →