#3F7CC8#3F7CC8

#3F7CC8 is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 58.2% C 0.133 H 255.1°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3F7CC8
RGB	rgb(63, 124, 200)
HSL	hsl(213, 55%, 52%)
HSV	hsv(213, 69%, 78%)
CMYK	cmyk(68.5%, 38%, 0%, 21.6%)
CIE-LAB	lab(51.43, 5.16, -45.30)
CIE-LCH	lch(51.43, 45.59, 276.50°)
OKLab	oklab(58.23% -0.0342 -0.1289)
OKLCH	oklch(58.23% 0.133 255.1)
XYZ	xyz(19.6791, 19.6402, 57.3862)
Luminance	0.1964 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7CC8 #C88B3F

analogous

#3FC1C8 #3F7CC8 #473FC8

triadic

#3F7CC8 #C83F7C #7CC83F

tetradic

#3F7CC8 #C83FC1 #C88B3F #3FC847

square

#3F7CC8 #C83FC1 #C88B3F #3FC847

split-complementary

#3F7CC8 #C8473F #C1C83F

monochromatic

#1F426D #2D5F9D #3F7CC8 #6F9CD6 #9EBDE3

Accessibility & contrast

On white

4.26

#3F7CC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#3F7CC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7CC8

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7CC8	#FFFFFF	#000000	##000000
##3F7CC8	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A82CB

Deuteranopia (green-blind)

#4575C6

Tritanopia (blue-blind)

#008E98

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3f7cc8;
/* rgb */ color: rgb(63, 124, 200);
/* oklch */ color: oklch(58.2% 0.133 255.1);

Tailwind

colors: {
  custom: {
    50: '#83a1d9',
    500: '#3f7cc8',
    950: '#000000',
  },
}

SCSS

$custom: #3f7cc8;
$custom-light: #83a1d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7cc8",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 200
  },
  "hsl": {
    "h": 213.285,
    "s": 55.466,
    "l": 51.569
  },
  "oklch": {
    "l": 0.58233,
    "c": 0.13337,
    "h": 255.1
  },
  "luminance": 0.19642
}

Semantic roles & 50–950 ramp

primary

#3F7CC8

secondary

#D0B593

accent

#9C49DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3F7CC8

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

Preview Lab → · Contrast checker → · Palette generator →