#3F7BC0#3F7BC0

#3F7BC0 is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.5% C 0.124 H 253.5°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F7BC0
RGB	rgb(63, 123, 192)
HSL	hsl(212, 51%, 50%)
HSV	hsv(212, 67%, 75%)
CMYK	cmyk(67.2%, 35.9%, 0%, 24.7%)
CIE-LAB	lab(50.72, 2.94, -41.85)
CIE-LCH	lch(50.72, 41.95, 274.01°)
OKLab	oklab(57.54% -0.0352 -0.1188)
OKLCH	oklch(57.54% 0.124 253.5)
XYZ	xyz(18.6438, 19.0265, 52.5489)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7BC0 #C0843F

analogous

#3FBBC0 #3F7BC0 #443FC0

triadic

#3F7BC0 #C03F7B #7BC03F

tetradic

#3F7BC0 #C03FBB #C0843F #3FC044

square

#3F7BC0 #C03FBB #C0843F #3FC044

split-complementary

#3F7BC0 #C0443F #BBC03F

monochromatic

#214064 #305D92 #3F7BC0 #6D9BCF #9BBADE

Accessibility & contrast

On white

4.37

#3F7BC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#3F7BC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7BC0

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7BC0	#FFFFFF	#000000	##000000
##3F7BC0	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7FC3

Deuteranopia (green-blind)

#4A73BF

Tritanopia (blue-blind)

#008B94

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3f7bc0;
/* rgb */ color: rgb(63, 123, 192);
/* oklch */ color: oklch(57.5% 0.124 253.5);

Tailwind

colors: {
  custom: {
    50: '#82a0d3',
    500: '#3f7bc0',
    950: '#000000',
  },
}

SCSS

$custom: #3f7bc0;
$custom-light: #82a0d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7bc0",
  "rgb": {
    "r": 63,
    "g": 123,
    "b": 192
  },
  "hsl": {
    "h": 212.093,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.57541,
    "c": 0.12392,
    "h": 253.5
  },
  "luminance": 0.19028
}

Semantic roles & 50–950 ramp

primary

#3F7BC0

secondary

#CAAF91

accent

#994EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3F7BC0

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

Preview Lab → · Contrast checker → · Palette generator →