#3F7CC0#3F7CC0

#3F7CC0 is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.8% C 0.123 H 252.9°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3F7CC0
RGB	rgb(63, 124, 192)
HSL	hsl(212, 51%, 50%)
HSV	hsv(212, 67%, 75%)
CMYK	cmyk(67.2%, 35.4%, 0%, 24.7%)
CIE-LAB	lab(51.01, 2.33, -41.39)
CIE-LCH	lch(51.01, 41.45, 273.22°)
OKLab	oklab(57.77% -0.0362 -0.1175)
OKLCH	oklch(57.77% 0.123 252.9)
XYZ	xyz(18.7685, 19.2759, 52.5905)
Luminance	0.1928 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7CC0 #C0833F

analogous

#3FBCC0 #3F7CC0 #433FC0

triadic

#3F7CC0 #C03F7C #7CC03F

tetradic

#3F7CC0 #C03FBC #C0833F #3FC043

square

#3F7CC0 #C03FBC #C0833F #3FC043

split-complementary

#3F7CC0 #C0433F #BCC03F

monochromatic

#214064 #305E92 #3F7CC0 #6D9BCF #9BBBDE

Accessibility & contrast

On white

4.32

#3F7CC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#3F7CC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7CC0

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7CC0	#FFFFFF	#000000	##000000
##3F7CC0	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E80C3

Deuteranopia (green-blind)

#4C74BF

Tritanopia (blue-blind)

#008C95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3f7cc0;
/* rgb */ color: rgb(63, 124, 192);
/* oklch */ color: oklch(57.8% 0.123 252.9);

Tailwind

colors: {
  custom: {
    50: '#82a1d3',
    500: '#3f7cc0',
    950: '#000000',
  },
}

SCSS

$custom: #3f7cc0;
$custom-light: #82a1d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7cc0",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 192
  },
  "hsl": {
    "h": 211.628,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.57768,
    "c": 0.12292,
    "h": 252.9
  },
  "luminance": 0.19278
}

Semantic roles & 50–950 ramp

primary

#3F7CC0

secondary

#CAAF91

accent

#984EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3F7CC0

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

Preview Lab → · Contrast checker → · Palette generator →