#3F7CCF#3F7CCF

#3F7CCF is a mid, vivid cyan. Relative luminance 0.200; OKLCH L 58.7% C 0.143 H 256.8°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#3F7CCF
RGB	rgb(63, 124, 207)
HSL	hsl(215, 60%, 53%)
HSV	hsv(215, 70%, 81%)
CMYK	cmyk(69.6%, 40.1%, 0%, 18.8%)
CIE-LAB	lab(51.81, 7.65, -48.67)
CIE-LCH	lch(51.81, 49.27, 278.93°)
OKLab	oklab(58.65% -0.0326 -0.1388)
OKLCH	oklch(58.65% 0.143 256.8)
XYZ	xyz(20.5159, 19.9749, 61.7937)
Luminance	0.1998 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7CCF #CF923F

analogous

#3FC4CF #3F7CCF #4A3FCF

triadic

#3F7CCF #CF3F7C #7CCF3F

tetradic

#3F7CCF #CF3FC4 #CF923F #3FCF4A

square

#3F7CCF #CF3FC4 #CF923F #3FCF4A

split-complementary

#3F7CCF #CF4A3F #C4CF3F

monochromatic

#1E4376 #2A5FA7 #3F7CCF #709DDB #A1BFE7

Accessibility & contrast

On white

4.20

#3F7CCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#3F7CCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7CCF

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7CCF	#FFFFFF	#000000	##000000
##3F7CCF	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5583D2

Deuteranopia (green-blind)

#3F75CD

Tritanopia (blue-blind)

#008F9B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3f7ccf;
/* rgb */ color: rgb(63, 124, 207);
/* oklch */ color: oklch(58.7% 0.143 256.8);

Tailwind

colors: {
  custom: {
    50: '#84a1de',
    500: '#3f7ccf',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ccf;
$custom-light: #84a1de;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ccf",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 207
  },
  "hsl": {
    "h": 214.583,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.58653,
    "c": 0.14258,
    "h": 256.8
  },
  "luminance": 0.19977
}

Semantic roles & 50–950 ramp

primary

#3F7CCF

secondary

#D4BA96

accent

#A045E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3F7CCF

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

Preview Lab → · Contrast checker → · Palette generator →