#3F7FC0#3F7FC0

#3F7FC0 is a mid, vivid cyan. Relative luminance 0.200; OKLCH L 58.5% C 0.120 H 250.9°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#3F7FC0
RGB	rgb(63, 127, 192)
HSL	hsl(210, 51%, 50%)
HSV	hsv(210, 67%, 75%)
CMYK	cmyk(67.2%, 33.9%, 0%, 24.7%)
CIE-LAB	lab(51.88, 0.53, -40.01)
CIE-LCH	lch(51.88, 40.01, 270.76°)
OKLab	oklab(58.45% -0.0392 -0.1134)
OKLCH	oklch(58.45% 0.12 250.9)
XYZ	xyz(19.1502, 20.0393, 52.7177)
Luminance	0.2004 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7FC0 #C0803F

analogous

#3FBFC0 #3F7FC0 #403FC0

triadic

#3F7FC0 #C03F7F #7FC03F

tetradic

#3F7FC0 #C03FBF #C0803F #3FC040

square

#3F7FC0 #C03FBF #C0803F #3FC040

split-complementary

#3F7FC0 #C0403F #BFC03F

monochromatic

#214264 #306192 #3F7FC0 #6D9ECF #9BBCDE

Accessibility & contrast

On white

4.19

#3F7FC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#3F7FC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7FC0

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7FC0	#FFFFFF	#000000	##000000
##3F7FC0	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6282C3

Deuteranopia (green-blind)

#5076BF

Tritanopia (blue-blind)

#008E96

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3f7fc0;
/* rgb */ color: rgb(63, 127, 192);
/* oklch */ color: oklch(58.5% 0.120 250.9);

Tailwind

colors: {
  custom: {
    50: '#82a3d3',
    500: '#3f7fc0',
    950: '#000000',
  },
}

SCSS

$custom: #3f7fc0;
$custom-light: #82a3d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7fc0",
  "rgb": {
    "r": 63,
    "g": 127,
    "b": 192
  },
  "hsl": {
    "h": 210.233,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.58452,
    "c": 0.12,
    "h": 250.9
  },
  "luminance": 0.20041
}

Semantic roles & 50–950 ramp

primary

#3F7FC0

secondary

#CAAE91

accent

#944EDA

background

#F8FAFD

surface

#F0F3FA

border

#CBCDD3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #3F7FC0

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

Preview Lab → · Contrast checker → · Palette generator →