#3F7AC7#3F7AC7

#3F7AC7 is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.7% C 0.134 H 256.0°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3F7AC7
RGB	rgb(63, 122, 199)
HSL	hsl(214, 55%, 51%)
HSV	hsv(214, 68%, 78%)
CMYK	cmyk(68.3%, 38.7%, 0%, 22%)
CIE-LAB	lab(50.80, 6.02, -45.72)
CIE-LCH	lch(50.80, 46.12, 277.50°)
OKLab	oklab(57.73% -0.0325 -0.1302)
OKLCH	oklch(57.73% 0.134 256)
XYZ	xyz(19.3145, 19.0974, 56.6900)
Luminance	0.1910 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7AC7 #C78C3F

analogous

#3FBEC7 #3F7AC7 #483FC7

triadic

#3F7AC7 #C73F7A #7AC73F

tetradic

#3F7AC7 #C73FBE #C78C3F #3FC748

square

#3F7AC7 #C73FBE #C78C3F #3FC748

split-complementary

#3F7AC7 #C7483F #BEC73F

monochromatic

#20416C #2D5D9B #3F7AC7 #6E9BD5 #9EBCE3

Accessibility & contrast

On white

4.36

#3F7AC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#3F7AC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7AC7

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7AC7	#FFFFFF	#000000	##000000
##3F7AC7	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5780CA

Deuteranopia (green-blind)

#4373C5

Tritanopia (blue-blind)

#008C97

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3f7ac7;
/* rgb */ color: rgb(63, 122, 199);
/* oklch */ color: oklch(57.7% 0.134 256.0);

Tailwind

colors: {
  custom: {
    50: '#83a0d8',
    500: '#3f7ac7',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ac7;
$custom-light: #83a0d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ac7",
  "rgb": {
    "r": 63,
    "g": 122,
    "b": 199
  },
  "hsl": {
    "h": 213.971,
    "s": 54.839,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57727,
    "c": 0.13417,
    "h": 256
  },
  "luminance": 0.19099
}

Semantic roles & 50–950 ramp

primary

#3F7AC7

secondary

#CFB593

accent

#9E4ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3F7AC7

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

Preview Lab → · Contrast checker → · Palette generator →