#3F7DCE#3F7DCE

#3F7DCE is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.8% C 0.140 H 256.1°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#3F7DCE
RGB	rgb(63, 125, 206)
HSL	hsl(214, 59%, 53%)
HSV	hsv(214, 69%, 81%)
CMYK	cmyk(69.4%, 39.3%, 0%, 19.2%)
CIE-LAB	lab(52.04, 6.68, -47.74)
CIE-LCH	lch(52.04, 48.21, 277.97°)
OKLab	oklab(58.81% -0.0337 -0.1361)
OKLCH	oklch(58.81% 0.14 256.1)
XYZ	xyz(20.5200, 20.1781, 61.1939)
Luminance	0.2018 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7DCE #CE903F

analogous

#3FC4CE #3F7DCE #483FCE

triadic

#3F7DCE #CE3F7D #7DCE3F

tetradic

#3F7DCE #CE3FC4 #CE903F #3FCE48

square

#3F7DCE #CE3FC4 #CE903F #3FCE48

split-complementary

#3F7DCE #CE483F #C4CE3F

monochromatic

#1E4475 #2A60A6 #3F7DCE #709EDA #A1BFE7

Accessibility & contrast

On white

4.17

#3F7DCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#3F7DCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7DCE

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7DCE	#FFFFFF	#000000	##000000
##3F7DCE	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5883D1

Deuteranopia (green-blind)

#4276CC

Tritanopia (blue-blind)

#00909B

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3f7dce;
/* rgb */ color: rgb(63, 125, 206);
/* oklch */ color: oklch(58.8% 0.140 256.1);

Tailwind

colors: {
  custom: {
    50: '#84a2dd',
    500: '#3f7dce',
    950: '#000000',
  },
}

SCSS

$custom: #3f7dce;
$custom-light: #84a2dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7dce",
  "rgb": {
    "r": 63,
    "g": 125,
    "b": 206
  },
  "hsl": {
    "h": 213.986,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.58813,
    "c": 0.14018,
    "h": 256.1
  },
  "luminance": 0.2018
}

Semantic roles & 50–950 ramp

primary

#3F7DCE

secondary

#D3B995

accent

#9E45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #3F7DCE

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

Preview Lab → · Contrast checker → · Palette generator →