#3F7FD2#3F7FD2

#3F7FD2 is a mid, vivid cyan. Relative luminance 0.209; OKLCH L 59.5% C 0.143 H 256.0°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#3F7FD2
RGB	rgb(63, 127, 210)
HSL	hsl(214, 62%, 54%)
HSV	hsv(214, 70%, 82%)
CMYK	cmyk(70%, 39.5%, 0%, 17.6%)
CIE-LAB	lab(52.82, 6.89, -48.76)
CIE-LCH	lch(52.82, 49.24, 278.05°)
OKLab	oklab(59.5% -0.0347 -0.139)
OKLCH	oklch(59.5% 0.143 256)
XYZ	xyz(21.2679, 20.8864, 63.8709)
Luminance	0.2089 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7FD2 #D2923F

analogous

#3FC8D2 #3F7FD2 #483FD2

triadic

#3F7FD2 #D23F7F #7FD23F

tetradic

#3F7FD2 #D23FC8 #D2923F #3FD248

square

#3F7FD2 #D23FC8 #D2923F #3FD248

split-complementary

#3F7FD2 #D2483F #C8D23F

monochromatic

#1D457A #2861AC #3F7FD2 #71A0DE #A2C1E9

Accessibility & contrast

On white

4.06

#3F7FD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#3F7FD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7FD2

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7FD2	#FFFFFF	#000000	##000000
##3F7FD2	1.00	4.06	5.18	5.18
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5986D5

Deuteranopia (green-blind)

#4278D0

Tritanopia (blue-blind)

#00929E

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3f7fd2;
/* rgb */ color: rgb(63, 127, 210);
/* oklch */ color: oklch(59.5% 0.143 256.0);

Tailwind

colors: {
  custom: {
    50: '#85a3e0',
    500: '#3f7fd2',
    950: '#000000',
  },
}

SCSS

$custom: #3f7fd2;
$custom-light: #85a3e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7fd2",
  "rgb": {
    "r": 63,
    "g": 127,
    "b": 210
  },
  "hsl": {
    "h": 213.878,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.59497,
    "c": 0.14328,
    "h": 256
  },
  "luminance": 0.20889
}

Semantic roles & 50–950 ramp

primary

#3F7FD2

secondary

#D6BA97

accent

#9E43E5

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F7FD2

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

Preview Lab → · Contrast checker → · Palette generator →