#3F7DCF#3F7DCF

#3F7DCF is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.9% C 0.141 H 256.3°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#3F7DCF
RGB	rgb(63, 125, 207)
HSL	hsl(214, 60%, 53%)
HSV	hsv(214, 70%, 81%)
CMYK	cmyk(69.6%, 39.6%, 0%, 18.8%)
CIE-LAB	lab(52.09, 7.04, -48.22)
CIE-LCH	lch(52.09, 48.73, 278.31°)
OKLab	oklab(58.87% -0.0335 -0.1375)
OKLCH	oklch(58.87% 0.142 256.3)
XYZ	xyz(20.6419, 20.2268, 61.8357)
Luminance	0.2023 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7DCF #CF913F

analogous

#3FC5CF #3F7DCF #493FCF

triadic

#3F7DCF #CF3F7D #7DCF3F

tetradic

#3F7DCF #CF3FC5 #CF913F #3FCF49

square

#3F7DCF #CF3FC5 #CF913F #3FCF49

split-complementary

#3F7DCF #CF493F #C5CF3F

monochromatic

#1E4476 #2A60A7 #3F7DCF #709EDB #A1BFE7

Accessibility & contrast

On white

4.16

#3F7DCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#3F7DCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7DCF

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7DCF	#FFFFFF	#000000	##000000
##3F7DCF	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5783D2

Deuteranopia (green-blind)

#4176CD

Tritanopia (blue-blind)

#00909C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3f7dcf;
/* rgb */ color: rgb(63, 125, 207);
/* oklch */ color: oklch(58.9% 0.141 256.3);

Tailwind

colors: {
  custom: {
    50: '#84a2de',
    500: '#3f7dcf',
    950: '#000000',
  },
}

SCSS

$custom: #3f7dcf;
$custom-light: #84a2de;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7dcf",
  "rgb": {
    "r": 63,
    "g": 125,
    "b": 207
  },
  "hsl": {
    "h": 214.167,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.58874,
    "c": 0.1415,
    "h": 256.3
  },
  "luminance": 0.20229
}

Semantic roles & 50–950 ramp

primary

#3F7DCF

secondary

#D4B996

accent

#9F45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #3F7DCF

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

Preview Lab → · Contrast checker → · Palette generator →