#3F7DC8#3F7DC8

#3F7DC8 is a mid, vivid cyan. Relative luminance 0.199; OKLCH L 58.5% C 0.132 H 254.6°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3F7DC8
RGB	rgb(63, 125, 200)
HSL	hsl(213, 55%, 52%)
HSV	hsv(213, 69%, 78%)
CMYK	cmyk(68.5%, 37.5%, 0%, 21.6%)
CIE-LAB	lab(51.72, 4.55, -44.84)
CIE-LCH	lch(51.72, 45.07, 275.79°)
OKLab	oklab(58.46% -0.0352 -0.1276)
OKLCH	oklch(58.46% 0.132 254.6)
XYZ	xyz(19.8050, 19.8921, 57.4282)
Luminance	0.1989 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7DC8 #C88A3F

analogous

#3FC2C8 #3F7DC8 #463FC8

triadic

#3F7DC8 #C83F7D #7DC83F

tetradic

#3F7DC8 #C83FC2 #C88A3F #3FC846

square

#3F7DC8 #C83FC2 #C88A3F #3FC846

split-complementary

#3F7DC8 #C8463F #C2C83F

monochromatic

#1F436D #2D609D #3F7DC8 #6F9DD6 #9EBDE3

Accessibility & contrast

On white

4.22

#3F7DC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#3F7DC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7DC8

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7DC8	#FFFFFF	#000000	##000000
##3F7DC8	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B82CB

Deuteranopia (green-blind)

#4775C6

Tritanopia (blue-blind)

#008E99

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3f7dc8;
/* rgb */ color: rgb(63, 125, 200);
/* oklch */ color: oklch(58.5% 0.132 254.6);

Tailwind

colors: {
  custom: {
    50: '#83a2d9',
    500: '#3f7dc8',
    950: '#000000',
  },
}

SCSS

$custom: #3f7dc8;
$custom-light: #83a2d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7dc8",
  "rgb": {
    "r": 63,
    "g": 125,
    "b": 200
  },
  "hsl": {
    "h": 212.847,
    "s": 55.466,
    "l": 51.569
  },
  "oklch": {
    "l": 0.58457,
    "c": 0.13232,
    "h": 254.6
  },
  "luminance": 0.19894
}

Semantic roles & 50–950 ramp

primary

#3F7DC8

secondary

#D0B493

accent

#9B49DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #3F7DC8

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

Preview Lab → · Contrast checker → · Palette generator →