#3F7BC2#3F7BC2

#3F7BC2 is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.7% C 0.127 H 254.1°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3F7BC2
RGB	rgb(63, 123, 194)
HSL	hsl(213, 52%, 50%)
HSV	hsv(213, 68%, 76%)
CMYK	cmyk(67.5%, 36.6%, 0%, 23.9%)
CIE-LAB	lab(50.82, 3.64, -42.83)
CIE-LCH	lch(50.82, 42.98, 274.86°)
OKLab	oklab(57.66% -0.0347 -0.1217)
OKLCH	oklch(57.66% 0.127 254.1)
XYZ	xyz(18.8669, 19.1158, 53.7239)
Luminance	0.1912 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7BC2 #C2863F

analogous

#3FBDC2 #3F7BC2 #443FC2

triadic

#3F7BC2 #C23F7B #7BC23F

tetradic

#3F7BC2 #C23FBD #C2863F #3FC244

square

#3F7BC2 #C23FBD #C2863F #3FC244

split-complementary

#3F7BC2 #C2443F #BDC23F

monochromatic

#204066 #2F5E95 #3F7BC2 #6D9BD1 #9CBBE0

Accessibility & contrast

On white

4.35

#3F7BC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#3F7BC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7BC2

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7BC2	#FFFFFF	#000000	##000000
##3F7BC2	1.00	4.35	4.82	4.82
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B80C5

Deuteranopia (green-blind)

#4973C1

Tritanopia (blue-blind)

#008B95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3f7bc2;
/* rgb */ color: rgb(63, 123, 194);
/* oklch */ color: oklch(57.7% 0.127 254.1);

Tailwind

colors: {
  custom: {
    50: '#82a0d5',
    500: '#3f7bc2',
    950: '#000000',
  },
}

SCSS

$custom: #3f7bc2;
$custom-light: #82a0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7bc2",
  "rgb": {
    "r": 63,
    "g": 123,
    "b": 194
  },
  "hsl": {
    "h": 212.519,
    "s": 51.779,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57657,
    "c": 0.12654,
    "h": 254.1
  },
  "luminance": 0.19118
}

Semantic roles & 50–950 ramp

primary

#3F7BC2

secondary

#CCB191

accent

#9A4DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3F7BC2

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

Preview Lab → · Contrast checker → · Palette generator →